Our directory features trusted software development companies in California serving San Francisco, Silicon Valley, Los Angeles, and San Diego, with expertise across fintech, healthcare, eCommerce, and startups. Compare firms by pricing, size, and reviews to find the right local partner.

Best Software Developers in California

21 Companies - Rankings updated: August 19, 2026

All California software developers on DesignRush are assessed for industry expertise and customer testimonials to provide you with a vetted selection. Certain placements may be paid.

United States × California ×
  • Digital Silk

    Verified Verified by the DesignRush team for authenticity and credibility.

    Growing Brands Online

    Digital Silk builds custom websites, eCommerce platforms on Shopify and Magento, and software with AI and ERP integration. Its work has been featured on CNN, Bloomberg, and Reuters. Best fit for mid-market and enterprise brands needing a full-service web development and digital marketing partner...

    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $150/hr
    Portfolios Count
    42 Projects Listed

    Digital Silk Services

    • Web Design
    • eCommerce Development
    • Branding
    • Digital Strategy
    • Digital Marketing
    • WordPress Website Design
    • SEO
    • Web Development
    • Product Design
    • Digital Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Sony
    • Microsoft
    • P&G
    • IBM
    • AT&T
    • NYU
    • NFL
    • NASA
    • XEROX
    Data sourced from the agency's DesignRush profile

    Digital Silk Reviews & Testimonials

    • Elma Madzar
      Elma Madzar Founder at Fashion Myway
      5.0

      Web Development Review from Elma Madzar

      The landing page looks great and got positive feedback. They did a great job taking direction, following my vision, collaborating, and suggesting alternative options. Overall easy, collaborative, and great execution of vision.

    • Heather Martz-Keller
      Heather Martz-Keller Marketing Manager at Pak-Tec
      4.8

      WordPress Website Design Review from Heather Martz-Keller

      Digital Silk did an outstanding job redesigning our website. Their team was responsive, creative, and committed to delivering a site that better reflects our brand and supports our business goals. A special thank you to Ryan, who has been an exceptional partner throughout the entire project! The teams communication, attention to detail, and willingness to help at every stage made the process smooth and enjoyable. We recommend Digital Silk to any organization looking for a reliable web development partner.

    • Michael Hamilton
      Michael Hamilton VP of Experience at NeuroAnimation
      5.0

      WordPress Website Design Review from Michael Hamilton

      Digital Silk was an exceptional partner in the design and development of NeuroAnimation's new website. Their team was very responsive and worked hard to accelerate the project to fit within a tight timeline. One thing that stood out while working with Digital Silk was the effort they invested in understanding our very unique business. They approached the project as though they were part of our own team, taking care to learn important details about our work, and that dedication was reflected in the quality and content of our new website. We are looking forward to continue our relationship with Digital Silk and would highly recommend them.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Transform Fast: Your App on iOS & Android Awaits!

    KodersPedia is a Palo Alto, California-based mobile app development company specializing in end-to-end digital solutions. Founded in 2020, the company offers services including mobile app development, game app development, website development, and staff augmentation. KodersPedia caters to a diverse range of...

    Location
    Palo Alto, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    13 Projects Listed

    Koderspedia Services

    • Web Design
    • Web Development
    • Mobile App Development
    • Software Development
    • Logo Design
    • WordPress Website Design
    • eCommerce Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • The ALS Guide
    • Accenture
    • Stadis
    • EventBuddy
    • Teachers DIrect
    • Munich Re
    • Comcast
    • ViacomCBS
    • intel
    • Coca*Cola
    Data sourced from the agency's DesignRush profile

    Koderspedia Reviews & Testimonials

    • Jason Troyan
      Jason Troyan Real Estate Broker at Live Florida Realty
      5.0

      Web Development Review from Jason Troyan

      We discovered Koderspedia through an online search, and it turned out to be one of the best decisions we've made for our real estate company's web development! The team at Koderspedia, particularly Peter, demonstrated exceptional professionalism, expertise, and dedication to delivering top-notch results. Peter's communication skills are outstanding- he was always available, responsive, and ensured we were on the same page throughout the project. The final product exceeded our expectations- a stunning, user-friendly, and highly functional website that perfectly represents our brand. Koderspedia's attention to detail, creativity, and technical prowess are truly impressive. We wholeheartedly recommend their services and appreciate the fantastic work they've done for us! Thank you, Peter and the Koderspedia team!

    • Nina Di Carlo
      Nina Di Carlo Managing Director at Guards Real Estate
      5.0

      Web Design Review from Nina Di Carlo

      Koderspedia' work was easy to implement, and we saw a 95% increase in sales and traffic after the site's launch. The Peter and the team communicated well and provided constant updates throughout. Their web design expertise and strong project ownership made for a fruitful engagement.

    • Betty Rodrigues
      Betty Rodrigues Regional HR Manager at Gameloft Montreal
      5.0

      Web Development Review from Betty Rodrigues

      Koderspedia delivered an exceptional web app for Gamesoft Montreal Company! Their team, led by Peter, showcased outstanding expertise and communication skills. Peter's prompt responses and clear updates ensured a seamless project experience. The final product exceeded our expectations- visually stunning, functional, and secure. Highly recommend Kordespedia for web app development!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Turning App Ideas Into App Businesses Since 2007

    We don't just build apps. We build app businesses that actually succeed, where 80% fail within their first year. For 17 years we've perfected what actually works, having launched 300+ successful apps, including one that hit 4+ million downloads in just 60 days with sub-$3 user acquisition...

    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Portfolios Count
    27 Projects Listed

    Dedicated Developers Services

    • Mobile App Development
    • Web Development
    • Software Development
    • eCommerce Development
    • UI/UX Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Audvisor Mobile Apps
    • Parsons Roofing
    • ProHealth
    Data sourced from the agency's DesignRush profile

    Dedicated Developers Reviews & Testimonials

    • Robert Miller
      Robert Miller Founder & CTO at Education Technology Company
      5.0

      Mobile App Development Review from Robert Miller

      I lost over $125,000 to developers who couldn't deliver so when I came to Dedicated Developers, I wasn't just looking for a dev shop, I was looking for a reason to trust again. They earned it fast. Their Idea To App Blueprint took everything scattered in my head and turned it into a clear, structured roadmap that actually made sense. Within six months, they delivered a sleek, fully functional MVP for our AI-powered homework assistant something a previous team couldn't pull off in over a year. What really set them apart was how early they brought in their ASO experts not as an afterthought, but from day one because they weren't just thinking about building an app, they were thinking about setting us up for a strong launch. Every deadline was met. Every question was answered. Every milestone felt like a shared win. As we approach launch, I can already see the difference a truly invested team makes the foundation is solid, the product is polished, and we're going to market with confidence we never had before. Dedicated Developers didn't treat this like a contract they treated it like a mission. After everything we went through before finding them, that meant everything. If you're serious about bringing your app idea to life and you're done gambling on the wrong team, this is the partnership that will change the trajectory of your product.

    • Ben Connors
      Ben Connors CEO at Dating App Company
      5.0

      Mobile App Development Review from Ben Connors

      As CEO of a relationship-focused mobile app company, I partnered with Dedicated Developers to build a dating platform centered on meaningful, long-term connections not casual swiping. I needed a true full-cycle partner, and they delivered. Before development began, they invested time in understanding the vision and created detailed product blueprints. They asked thoughtful questions, challenged assumptions, and scoped each phase carefully, ensuring smooth execution as the platform expanded. Their cross-functional team project manager, developer, UI/UX designer, QA specialist, and app store marketing expert consistently delivered milestones on time and handled complex feature requests with structure and clarity. Since launch, the app has achieved steady download growth, strong engagement and retention, and positive app store ratings a testament to the scalable, high-quality foundation they built. What stood out most was their true product-level ownership. They didn't just execute specs they contributed ideas, challenged assumptions, and helped refine decisions I hadn't fully considered. Their detailed blueprinting before each phase created clarity and saved significant time in execution. They treated the platform like their own product, and that mindset made a meaningful difference throughout a long, evolving engagement.

    • Akshath Goyal
      Akshath Goyal Board Advisor, Tech/ Fintech at Fintech Startup
      5.0

      Mobile App Development Review from Akshath Goyal

      As an advisor to a fintech startup, I've seen firsthand how Dedicated Developers operate at a level beyond typical vendors they truly act as product partners. They successfully architected and built a complex mobile platform combining social media and secure peer-to-peer payments, handling everything from blueprinting to post-launch optimization with strong ownership and technical depth. The result speaks for itself: over 1 million downloads, well received 5-star reviews, and a scalable, compliance-ready foundation. Their disciplined execution, transparency, and long-term thinking make them a valuable partner for any ambitious fintech venture.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Software Outsourcing & Development | 500+ Active Clients

    Founded in 2009 by Nacho de Marco and Paul Azorín, BairesDev provides top 1% tech talent to a range of clients, from startups to Fortune 500 companies...

    Location
    San Francisco, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    5 Projects Listed

    BairesDev Services

    • Software Development
    • Web Development
    • UI/UX Design
    • Mobile App Development
    • Software Testing
    • Web Design
    • Staff Augmentation
    • Product Design
    • ERP Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Google
    • Salesforce
    • IBM
    • Autodesk
    • Rolls-Royce
    • SiriuXM
    • Motorola
    • Burger King
    • Chime
    Data sourced from the agency's DesignRush profile

    BairesDev Reviews & Testimonials

    • Undisclosed
      Undisclosed Director of e-commerce solutions at URBN
      5.0

      Web Development Review from Undisclosed

      We were truly impressed by the BairesDev team's expertise, work ethic, and eagerness to learn. The agency quickly adapted to our corporate culture and integrated seamlessly. When tasked to work on a new platform, it provided solutions within a week. It's like the software version of a versatile and powerful utility infielder.

    • Undisclosed
      Undisclosed Engineering Manager at Pinterest
      5.0

      Staff Augmentation Review from Undisclosed

      BairesDev engineers are the soul of the team. They’re able to identify dependencies and figure out solutions quickly. They strongly exceeded my expectations.

    • Undisclosed
      Undisclosed Team Leader at Avigilon
      5.0

      Web Development Review from Undisclosed

      Following consultations with the BairesDev team, we recognized that the primary objective was to localize the system and concentrate on enhancing the UI, while also upgrading tools to uphold a high-performance analytics system. Witnessing its expertise and ability to address specific issues greatly alleviated our security platform's primary concerns.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Driving Change Through Technology - Apps, Ecommerce, Staff Aug, BPO, Next Gen Tech and more!

    Working with Trango Tech means you access a team of 200+ seasoned experts delivering transformative Software Development solutions—custom platforms, mobile apps, and enterprise systems. Clients trust our innovative approach to digital product engineering and seamless technology integration...

    Location
    San Jose, California
    Number of Employees
    100 - 249
    Portfolios Count
    17 Projects Listed

    Trango Tech Services

    • Software Development
    • Mobile App Development
    • eCommerce Development
    • AI Development
    • Web Design
    • CRM Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Khaity
    • Shifaam
    • KIA
    • Click N Kollect
    • Helpp
    • Matchbox
    • OAKS
    Data sourced from the agency's DesignRush profile

    Trango Tech Reviews & Testimonials

    • Ashleigh J. Shim
      Ashleigh J. Shim Founder at Barefoot Player
      5.0

      Mobile App Development Review from Ashleigh J. Shim

      Jane Miller and her team at Trango Tech have been phenomenal. They design a detailed and curated plan for your app design and development. I liked that Jane always made herself available to ensure the success of our company's app. Thank you Jane!

    • Fren D. Garcia
      Fren D. Garcia Procurement Manager at ClicknCollect
      4.8

      Mobile App Development Review from Fren D. Garcia

      Had a fantastic experience working with Trango Tech for our eCom & app development needs. Their expertise in creating scalable and customized online stores was evident from the beginning. They provided valuable insights and suggestions that significantly improved my website's functionality and user experience. The Trango Tech team was responsive, communicative, and dedicated to meeting our specific needs. I'm thrilled with the end result and would highly recommend Trango Tech to anyone.

    • David V. Ringer
      David V. Ringer Marketing Manager at Helpp
      4.8

      Mobile App Development Review from David V. Ringer

      The team at Trango Tech was very communicative and kept me informed throughout the entire development process. They provided regular updates on the progress of the project and were always available to answer any questions I had. They were very patient with my requests and made sure that my requirements were met to my satisfaction.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Your Vision. Our Innovation

    Dev Technosys is an ISO9001:2015-certified software development company founded in 2010, offering comprehensive IT solutions including custom web and mobile development, IoT, ERP/CRM, on-demand apps, and e-commerce platforms. The firm delivers tailored engineering services to clients in over 70 countries...

    Location
    Commerce, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $20/hr
    Portfolios Count
    16 Projects Listed

    Dev Technosys Services

    • Mobile App Development
    • Software Development
    • Web Development
    • Web Design
    • eCommerce Development
    • Blockchain
    • AI Development
    • IoT
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Nike
    • johnson and johnson
    • Handy
    • Whirlpool
    • RAX Ceramics
    • pfizer
    • Jardines
    Data sourced from the agency's DesignRush profile

    Dev Technosys Reviews & Testimonials

    • Patrick Gilbert
      Patrick Gilbert CEO at quicklyheal
      5.0

      Mobile App Development Review from Patrick Gilbert

      The UX and development work provided by Dev Technosys has helped to establish this new company. The apps aren’t live yet, but all four prototypes will be developed and launched. Senior internal stakeholders were pleased with Dev Technosys’s high-caliber deliverables. Flexible, receptive, and accommodating. Dev Technosys took great care in building a quality platform that fits all requirements.

    • Delson Baker
      Delson Baker CEO at Tutorias.co
      5.0

      Mobile App Development Review from Delson Baker

      The app is almost going to live and has been very useful throughout the COVID-19 pandemic. Dev Technosys did an excellent job enhancing the look and feel of the platform. They brought several ideas to the project and were flexible as requirements changed. We worked closely with one of their lead project managers and he liaised with the developers and creative team on the UI aspect. He did a fantastic job scheduling meetings between our team and the design team when needed. He also helped us com

    • Kenneth Wilson
      Kenneth Wilson CEO at Learning bull
      5.0

      Mobile App Development Review from Kenneth Wilson

      Dev Technosys's efforts have had a significant impact on the business overall, streamlining the video process by making it easier to find exactly what user wat to see. Project is all about the learning via videos. In addition to the quality of their designs, their team is also very proactive and collaborative to work with overall. Though not yet complete, their work surpasses all expectations and project management has been seamless.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Certified E-Commerce Development Company

    Certified E-Commerce Development Company...

    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    16 Projects Listed

    Dinarys Services

    • eCommerce Development
    • Web Development
    • IT Services
    • Web Design
    • Mobile App Development
    • Staff Augmentation
    • Digital Strategy
    • Digital Services
    • Software Development
    • IoT
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Aroma Kava
    • LastBid
    • Budu Sushi
    • Magento 2 Migration
    • Rite Space
    • Bookbreakrs
    • Can
    • Vivat
    • Udifo
    • ServisBook
    Data sourced from the agency's DesignRush profile

    Dinarys Reviews & Testimonials

    • André Schörnig
      André Schörnig Marketing-Manager at myfelt GMBH
      5.0

      eCommerce Development Review from André Schörnig

      We have been working with Dinarys on our Shopify store for quite some time, and the experience has been great. From the very beginning, communication was clear, efficient, and reliable. The Dinarys team consistently delivered detailed proposals, stuck to agreed timelines, and offered well-structured solutions tailored to our needs. Their technical expertise is impressive, but what really sets them apart is their proactive attitude and genuine commitment to our project. Whenever we had questions or changes, they responded quickly and constructively. Its a true pleasure to work with a partner who feels like an extension of our own team. Highly recommended!

    • Nissrine Kohen
      Nissrine Kohen Sr. Backend Shopware Developers at H1 Webdevelopment
      4.5

      Web Development Review from Nissrine Kohen

      Weve been working with Dinarys for quite some time now, mainly collaborating on Magento and Shopware development projects. Their developers consistently show solid technical expertise and a good understanding of our expectations and workflow. Communication is generally smooth, and response times are quick. Whenever issues arise, the team is open to feedback and acts quickly to improve. Over time, weve seen a positive evolution in their proactiveness and alignment with our teams way of working. They are flexible and collaborative, and its clear that they genuinely aim to build long-term partnerships. For the quality delivered, we feel the pricing is fair and transparent. All in all, weve been satisfied with our cooperation and would recommend Dinarys as a development partner, especially for companies looking for experienced backend developers in Magento and Shopware.

    • Andrew White
      Andrew White Review from Google
      5.0

      Andrew White's Review Sourced from Google

      I'm wasn't in the German office, but i had experience of communication with this company! I can say that it leaves the warmest feelings in the my heart! Guys you are the best!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Helping companies transform for success in the digital future

    The effects of digital transformation go beyond business and into the consulting industry itself. The old leaders in consulting cannot adapt to the speed of change in a digitally disrupted world. A new model of consultancy has emerged: outcome-focused, collaborative, and built for continuous, iterative...

    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Portfolios Count
    16 Projects Listed

    Modus Create Services

    • Software Development
    • Web Design
    • UI/UX Design
    • Cybersecurity
    • IT Services
    • Mobile App Development
    • Product Design
    • AI Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Audi
    • Marriot
    • Pfizer
    • AARP
    • Hobsons
    • Kaplan
    • Burger King
    • Bright MLS
    • Baskin-Robbins
    • PBS
    Data sourced from the agency's DesignRush profile
  • Top Global Mobile Development Studio

    We are Horus Studio, a Global Mobile Development Studio passionate about creating cutting-edge apps using .NET MAUI, Flutter and Uno Platform...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    9 Projects Listed

    Horus Services

    • Mobile App Development
    • Software Development
    • IoT
    • UI/UX Design
    • Product Design
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Swedlock
    • Farmashop
    • Innomind
    • Uno Platform
    • PowerPlus
    • Sweatworks
    • VBC Finders
    • 365 ID
    • UxDivers
    • MyPass
    Data sourced from the agency's DesignRush profile
  • Web Professionals. Driving Results

    G Web Pro is a trusted digital marketing firm in Canada and a software development company with over 10+ years of experience. Our 500+ experts help businesses grow with SEO services in Canada, including ASO services in Canada, custom software, e-commerce development, and generative engine optimization. With...

    Location
    Ontario, California
    Number of Employees
    100 - 249

    G Web Pro Marketing Inc. Services

    • Software Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Cosmaroma
    • Homecare Supply
    • AA Floors & More Ltd.
    • Airline Limousine
    • Lymphoma Canada
    Data sourced from the agency's DesignRush profile

    G Web Pro Marketing Inc. Reviews & Testimonials

    • Cosmaroma - Home Renovation Supplies
      Cosmaroma - Home Renovation Supplies Review from Google
      5.0

      Cosmaroma - Home Renovation Supplies's Review Sourced from Google

      G Web Pro has been a fantastic partner for our business. They handled our website creation seamlessly and now manage the ongoing maintenance, ensuring everything runs smoothly. On top of that, their team consistently delivers high-quality blogs and detailed website analysis that help us stay ahead. What truly sets them apart is their proactiveness and attention to detail, they don’t just meet expectations, they anticipate what’s needed. Their professionalism, ability to deliver in a timely manner, and unwavering consistency have made a big difference in our digital presence. We’re very pleased with their work and highly recommend G Web Pro to anyone looking for a reliable and skilled digital marketing partner.

    • Gurpreet Chohan
      Gurpreet Chohan Review from Google
      5.0

      Gurpreet Chohan's Review Sourced from Google

      I cannot say enough good things about G Web Pro, the Saran brothers and the whole team at G Web Pro and the amazing work they have done for my business. They definitely took my business to the next level and helped it grow beyond my expectstions. They made me an amazing website, better than I could have imagined, with Great attention to detail! They have continued doing fantastic SEO work in a very competitive markplace and have gotten my business onto the front page of the google search engine. They have provided me with Great customer service and response times in the 3 years I have been with them, always ready to listen, implement and help grow my business. I would highly recommend them and the full range of their services which I am very satisfied with.

    • Regina Wong
      Regina Wong Review from Google
      5.0

      Regina Wong's Review Sourced from Google

      It has been a real pleasure partnering with G Web Pro to build our company website. Our requirements entailed a lot of detail, but G Web Pro was able to accomplish what we needed. Communication and support over the past four years has been great and very responsive. Definitely think of this company for your online requirements. Update:. January 2018:. I'd like to provide an update to my review. Even though our company had to change web providers I am very appreciative and thankful that G Web Pro has assisted us a few times. You guys have incredible knowledge and expertise in this field that can't be found with many other providers. Thanks again Jas for all your help, I'm working on bringing our business back to your company. (BTW, we are a large multinational company).

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • If You Can Dream It, We Can Build It!

    Bright Apps LLC, your expert in disruptive technologies. Leading the way in creating custom AI solutions, Blockchain, Quantum and custom website and mobile app development...

    Location
    Walnut Creek, California
    Number of Employees
    50 - 99

    Bright Apps Services

    • AI Development
    • Software Development
    • Big Data Analytics
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Masa
    • Vesto
    • Tech7
    Data sourced from the agency's DesignRush profile
  • Solve-Automate-Scale Leveraging Technology for your Business

    YES IT Labs is a top software development company delivering innovative, high-quality solutions tailored to client needs. Our expert team uses cutting-edge technology to turn ideas into reality. Services include custom software, mobile/web apps, IT consulting, and more...

    Location
    Laguna Beach, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed

    YES IT LABS Services

    • Web Development
    • eCommerce Development
    • UI/UX Design
    • Mobile App Development
    • Software Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Roniece
    • Chris-Tia Donaldson
    • Len
    • Philip
    • Frederico
    Data sourced from the agency's DesignRush profile

    YES IT LABS Reviews & Testimonials

    • Chad Stein
      Chad Stein Review from Google
      5.0

      Chad Stein's Review Sourced from Google

      I worked with Amy during the design phase and she was very helpful and made very nice looking screens based on my input. She was very easy to work with. THANKS!

    • Four He’s just a number
      Four He’s just a number Review from Google
      5.0

      Four He’s just a number's Review Sourced from Google

      YES IT LAB LLC is an excellent software development company. Actually this is Phyllispecantan7 submitting the review. Four and I uses the same email address. YESIT Labs dba Top rated on Guru.com has an almost perfect success rate. They provided a great service and continue to "Deliver with Commitment." They also deliver with Love. I am happy and satisfied with the quality of the results they did on meetphyllis.com. They are an excellent Software Development Company, which I highly recommend.

    • Firey doodley Demi-god
      Firey doodley Demi-god Review from Google
      5.0

      Firey doodley Demi-god's Review Sourced from Google

      YES IT LAB LLC is an excellent software development company. Actually this is Phyllispecantan7 submitting the review. Four and I uses the same email address. YESIT Labs dba Top rated on Guru.com has an almost perfect success rate. They provided a great service and continue to "Deliver with Commitment." They also deliver with Love. I am happy and satisfied with the quality of the results they did on meetphyllis.com. They are an excellent Software Development Company, which I highly recommend.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Turning Ideas Into Interactive Apps

    AppCrops is a next-gen technology partner delivering end-to-end digital solutions for startups and enterprises. From interactive user-friendly iOS, Android or Custom Mobile applications to Web apps, ERP systems and custom software, we help transform ideas into high-performing digital products...

    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed

    AppCrops Services

    • Mobile App Development
    • Web Development
    • eCommerce Development
    • Software Development
    • Web Design
    • UI/UX Design
    • IoT
    • Blockchain
    • AI Development
    • Digital Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • FluoSpeak
    • Sellers Route
    • Muslim Me
    • Linkedly
    • Stryde
    • Planzee
    • TRP Mobile
    Data sourced from the agency's DesignRush profile

    AppCrops Reviews & Testimonials

    • Nabula Warden
      Nabula Warden Review from Google
      5.0

      Nabula Warden's Review Sourced from Google

      AppCrops built a CMS for us that easily integrated with our website. Easy to manage and flexible. It made content updates much simpler. Recommended group of developers 👍

    • Reverie Selah
      Reverie Selah Review from Google
      5.0

      Reverie Selah's Review Sourced from Google

      We used AppCrops for web development services and the result exceeded expectations. The website is fast, modern, and aligns perfectly with our brand.

    • Hazel Lucas
      Hazel Lucas Review from Google
      5.0

      Hazel Lucas's Review Sourced from Google

      We worked with AppCrops for mobile app development and had a great experience. The team was professional, responsive, and delivered a high-quality app for our business. Highly recommended for anyone looking for web or app development services.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Appstem Designs and Develops Custom Software To Help Our Clients Solve Complex Business Problems.

    Appstem is a full-service mobile strategy, design and development agency, Based in San Francisco, Appstem has delivered over 200 apps with a team of experts specializing in strategy, QA, development and UI/UX design...

    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    5 Projects Listed

    Appstem Services

    • Web Design
    • eCommerce Development
    • IoT
    • Mobile App Development
    • Software Development
    • DevOps Consulting
    • Cloud Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Tesla
    • Johnson & Johnson
    • Zendesk
    • Kaiser
    • Monster
    • Byton
    • Geisinger
    • Cambia
    Data sourced from the agency's DesignRush profile

    Appstem Reviews & Testimonials

    • Nate Sroor
      Nate Sroor Review from Google
      5.0

      Nate Sroor's Review Sourced from Google

      From my initial consultation to the completion of the development process, the entire team at AppStem has been a pleasure to work with. With so many Mobile App Development companies to choose from, it's important to chose one who is willing to understand your needs and clearly outline a game plan before getting into development. If you're looking for more of a partner than just an agency, you're in good hands with AppStem.

    • Zachary Zimmerman
      Zachary Zimmerman Review from Google
      5.0

      Zachary Zimmerman's Review Sourced from Google

      Not sure I would have been able to find a better development team. My app was built to spec and is running great! I would highly recommend them

    • Ryan Ricketts
      Ryan Ricketts Review from Google
      5.0

      Ryan Ricketts's Review Sourced from Google

      AppStem was able to answer all my questions in regards to designing a mobile app. They brought original ideas and professional aspect to their project for us. My team was extremely happy with the final results. I know I will be going back to them for my mobile app development needs.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • A boutique web application and website development studio crafting exceptional online experiences.

    Ready to bring your idea to life? We'll help plan and develop your next full-featured, data-driven web application. With our expertise in React, Next.js, Vue, and TypeScript, we deliver modern solutions that scale...

    Location
    San Rafael, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $115/hr
    Minimal Budget
    $10,000 - $25,000

    The Component Studio Services

    • Mobile App Development
    • Software Development
    • Staff Augmentation
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Rolls Royce
    • IU Health
    • Detour Insurance
    Data sourced from the agency's DesignRush profile
  • Top Web and Mole App Development Company

    Webmob Technologies is global leader in custom web & app development, offering consulting & development services to businesses of all sizes -from startups to mid-sized organizations to enterprises. Our custom web & app-development expertise have earned us top reviews & prominent position in industry...

    Location
    San Jose, California
    Number of Employees
    100 - 249
    Portfolios Count
    9 Projects Listed

    WebMob Technologies Services

    • Mobile App Development
    • Web Development
    • eCommerce Development
    • Web Design
    • Software Development
    • IT Services
    • Product Design
    • WordPress Website Design
    • AI Development
    • Blockchain
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Daniel Stirkman
    • Daafram Campbell
    • Charles Alder
    • Luke Monroe
    Data sourced from the agency's DesignRush profile

    WebMob Technologies Reviews & Testimonials

    • Aman Vaghela
      Aman Vaghela Review from Google
      5.0

      Aman Vaghela's Review Sourced from Google

      This company has a highly supportive culture with excellent senior leadership and a positive, growth-oriented environment. The team is always willing to help, making it a great place to learn and thrive.

    • Raj Chokshi
      Raj Chokshi Review from Google
      5.0

      Raj Chokshi's Review Sourced from Google

      Great place to work and grow professionally! The work environment is positive, collaborative, and full of learning opportunities. The team and leadership are supportive and always open to new ideas. If you're looking to build your skills and grow your career in tech, WebMobTech is a fantastic place to be!

    • Peer Ubaid
      Peer Ubaid Review from Google
      4.0

      Peer Ubaid's Review Sourced from Google

      My experience at WebMob Technologies was positive. The work environment was professional, and I had the opportunity to collaborate with a supportive team. The company provided a good platform for learning and growth. Wishing them continued success in the future.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Games. Animation. Immersive.

    MHX Digital Media is a fully remote, full-service creative technology studio specializing in video games, immersive experiences, and animation for film, TV, and digital media...

    Location
    Sacramento, California
    Number of Employees
    Under 49

    MHX Digital Media, LLC Services

    • VR/AR
    • Video Production
    • Software Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Possible Inc.
    • Yuga Labs
    • Sodexo
    • DXC Technology (formerly CSC)
    Data sourced from the agency's DesignRush profile
  • Bring Business Online And Grow Sales

    Sinelogix Technologies: Your Digital Success Partner Since 2012. Elevate with Irresistible Web Design, Development, and SEO. At Sinelogix we do not pull any marketing stunts on our clients, we address the clients needs directly to the point so that it can be time effective and cost effective. Sinelogix...

    Location
    Newark, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $10/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed

    Sinelogix Technologies Services

    • Web Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • SEO
    • PPC
    • eCommerce
    • Email Marketing
    • Software Development
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Well Living Shop
    • Indian Beautiful Art
    • Propervise, Inc.
    • Tancart
    • Qorex Outsourcing
    • House of Chemicals
    • Nimmed
    • Medical Products Supply
    • Toyota
    • AXA Insurance
    Data sourced from the agency's DesignRush profile

    Sinelogix Technologies Reviews & Testimonials

    • Prashant Srivastav
      Prashant Srivastav Review from Google
      4.0

      Prashant Srivastav's Review Sourced from Google

      They have good approach implementing e-commerce applications. Provide healthy interaction while gathering the requirements. The best thing they are using the latest technologies running in the market and very good in migrating old and legacy applications.

    • Himanshu Agrawal
      Himanshu Agrawal Review from Google
      1.0

      Himanshu Agrawal's Review Sourced from Google

      Overpriced. Just because they are on top of the Google search doesn't necessarily make them the best. You will get a call from US number, california just to impress you and make you believe that you are working with a sophisticated and hifi company. Have been requesting the backup of my website for ages now, no reply received yet. Dont trust them just like that. If possible visit them and meet them. I am in Bangalore and this address is wrong.

    • Johns Schutz
      Johns Schutz Review from Google
      5.0

      Johns Schutz's Review Sourced from Google

      We hired Sinelogix to look after one of our projects and they out performed and out delivered. We are extremely happy with the results and hence we use sinelogix for marketing and branding of all our inhouse websites.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • We Turn Your Vision Into Reality

    Helping U.S. businesses grow online since 2022, we provide affordable custom web design and SEO services that deliver measurable results...

    Location
    Ontario, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000

    Own Web Solutions Services

    • Web Development
    • eCommerce Development
    • Branding
    • Logo Design
    • PPC
    • Mobile App Development
    • Email Marketing
    • Digital Marketing
    • Software Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Rise 2 Studio
    • Farco Studio
    • WonderKin Tattoos
    • Flowtrix
    Data sourced from the agency's DesignRush profile
  • Innovate, Code, Elevate Transforming Ideas into Reality.

    H.R. Software Solutions Pvt. Ltd. is a leading IT company offering cutting-edge software development, web solutions, and digital marketing services. We specialize in ERP, CRM, mobile app development, and AI-driven solutions for businesses of all sizes. With a customer-centric approach, we deliver innovative...

    Location
    Ontario, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000

    H.R Software Solutions Pvt. Ltd. Services

    • Software Development
    • Web Development
    • Digital Marketing
    • Mobile App Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Maddares
    • Riyadh Rehab
    • Taaheel
    • Salec
    • Enriched Academy
    • IOCL
    • Indian Railway
    • EDCIL
    • Noida Authority
    • BLK Hospital
    Data sourced from the agency's DesignRush profile
  • Grow with Technology.

    We have a Team of 100+ Skilled App Developers who thrive on rolling up their sleeves and solving your IT problems and meeting your business needs like APP Development, Software Development, Cloud Consulting, Generative AI Development, Cyber Security Services, Custom ERP Software Development, and Web...

    Location
    Irvine, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000

    NextOlive Services

    • AI Development
    • Mobile App Development
    • Software Development
    • Blockchain
    • Software Testing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • TrulyMadly
    • theDevMasters
    • OpusClip
    • DP World
    • Bettor In Green
    Data sourced from the agency's DesignRush profile

6 Frequently Asked Questions About Software Development Companies in California

What services does a software development company in California typically provide?

It offers the following custom software development services:

  • Custom software development: Designing, building, and deploying software tailored to specific user needs or business requirements.
  • Mobile app development: Building Android and iOS applications that leverage native device features such as Bluetooth, camera, and GPS for enhanced functionality.
  • Web app development: Building software that lives on a remote server and is accessed through a web browser rather than being downloaded onto a device's hard drive.
  • Website development: Designing and developing both the front-end and back-end of a website, with a focus on responsive layouts, intuitive interfaces, and practical features.
  • Cloud development: Software developers in California craft bespoke programs that run on cloud environments and allow for secure and easy data retrieval and storage, while offering cloud consulting services too.
  • Quality assurance: Conducting rigorous tests to identify and resolve potential issues and ensure the software solutions meet performance standards, user expectations, and regulatory requirements.
  • Maintenance and support: Performing software updates to enhance security, functionality, and performance.

How much do these companies charge for software development services?

Software development pricing in California is among the highest in the United States, driven by talent demand in hubs like Silicon Valley, San Jose, and San Francisco. California sits at the top end globally, often 30-70% more expensive than offshore alternatives.

Costs vary widely by experience level, project scope, and specialization.

In top-tier markets, software developers in California charge $160-$275/hr.

Costs by project

  • Small projects (MVPs, simple apps): $40,000-$80,000
  • Mid-size platforms: $80,000-$150,000
  • Complex systems (enterprise, AI, SaaS): $150,000-$300,000+

What is the Privacy by Design requirement in California?

Privacy by Design (PbD) in California is a core regulatory expectation embedded in the California Privacy Rights Act (CPRA) and the California Consumer Privacy Act framework.

Privacy by Design requires software development companies in California to build privacy into systems from the start, not add it later, integrate privacy into software architecture, business processes, and data flows, and consider user privacy at every stage of development and data processing.

This requirement applies to web and mobile applications, data pipelines and analytics systems, and AI and automated decision-making tools.

How long does it take to complete a software development project in California?

The average timeline for a custom software development company in California ranges from 3 to 12 months, depending on the complexity and scope of the project. While AI-augmented development tools have increased coding velocity by nearly 40%, stricter California regulations (like the CCPA and new AI transparency laws) have added mandatory compliance and testing phases that offset those gains.

Project type Timeline Key focus area
Minimum Viable Product (MVP) 3-4 months Core features only; rapid market entry.
Medium complexity SaaS 6-9 months API integrations, multi-user roles, and scaling 
Enterprise-grade systems 9-18+ months Legacy migration, high security, and deep compliance.
AI-native platforms  12-24 months Model training, ADMT audits, and data lineage. 

Can I hire a California agency that uses offshore developers?

Yes, you can. Many top software developers in California use offshore or hybrid teams. In this setup, the agency usually keeps its strategy, design, and project management in California, while teams in Eastern Europe, Latin America, or Southeast Asia handle heavy-duty coding.

While the model is effective, California’s strict laws mean that a software development company in California must be the shield for your business. Even if developers are offshore, they may have access to your users' personal data. Under the 2026 CCPA rules, you must ensure the agency has Data Transfer Agreements in place. The data must be handled as if it never left California.

What is the ADMT regulation?

ADMT stands for Automated Decision-Making Technology. In the context of California law (specifically the CCPA/CPRA), it refers to any technology that uses computation to replace or substantially replace human involvement in making decisions about people.

As of January 1, 2026, new regulations from the California Privacy Protection Agency (CPPA) have officially taken effect, placing strict guardrails on how businesses use these tools. If the software solution you need uses AI to make decisions, a top software development company in California must provide a way for users to opt out and receive an explanation of the logic.

The regulation targets any system, including artificial intelligence, machine learning, and simple algorithms that process personal data to make a significant decision concerning a consumer. 

This includes decisions related to:

  • Employment: Hiring, compensation, or work allocation.
  • Financial Services: Lending, insurance, or credit.
  • Essential Services: Housing, healthcare, or education enrollment.
  • Criminal Justice: Legal outcomes or profiling.

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