Our analysts identified the top outsourcing software development companies in California providing cutting-edge services that answer key business problems, from building technical software, designing websites or mobile apps to integrating operating systems and more. Narrow down your search by team size, budget, reviews and more to select the best developer for your company’s needs.
Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

Chop Dawg
VerifiedVerified by the DesignRush team for authenticity and credibility.AI LeaderRecognized for strong visibility across AI-powered search and answer engines.+1Award WinnerRecipient of a Best Design Award for outstanding work.Meet The Partner Behind Your App's Success | Make It App'n!
For enterprise mobile and web software builds, Chop Dawg delivers offshore and nearshore outsourcing with transparency and fixed-rate pricing. Since 2009, the Philadelphia agency has launched 500+ apps for NASA, the US Navy, Wawa, Six Flags, Hilton, Siemens, Jefferson Health, University of California, and...
Top Services:
- Mobile App Development
- Software Development
- Web Development
- eCommerce Development
- WordPress Website Design
- Show more
- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 52 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsChop Dawg Services
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Chop Dawg Reviews & Testimonials

Web Development Review from Jimmy Caldwell
Chop Dawg was the strongest development team I’ve worked with in 18 years of software implementation. They took our complex AI-powered senior placement platform and turned it into a functional marketplace with dashboards, business rules, CRM integration, and an AI assistant. The team listened, adapted, communicated often, and treated our vision with real care. The handoff had a few gaps, but overall, they delivered exceptional work.

Design Services Review from Nathan May
Chop Dawg delivered wireframes, high-fidelity screens, a logo, and Figma files while keeping each week’s work clear. They felt like part of our team, brought fresh ideas, and pushed back when needed. The experience was strong overall, though a more detailed final review would have been helpful.

Web Design Review from Anonymous
Chop Dawg turned our early idea for a visual polling and decision-making platform into a prototype we could confidently share with others. It made the product much easier to explain, gave us something real to test with users, and supported more productive investor conversations. The work also helped our team get aligned on the product direction, development scope, and MVP roadmap. Their team was responsive, organized, and easy to work with throughout the process.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsTransform Fast: Your App on iOS & Android Awaits!
Koderspedia is a Palo Alto-based software outsourcing company specializing in mobile app development for iOS and Android, custom web solutions, and UI/UX design. The team delivers work across platforms including React Native, Flutter, Node.js, and WordPress, with portfolio projects spanning eCommerce, real...
Top Services:
- Web Design
- Web Development
- Mobile App Development
- Software Development
- Logo Design
- Show more
- Location
- Palo Alto, California
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 13 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsKoderspedia Services
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Koderspedia Reviews & Testimonials

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!

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.

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 ReviewsEnterprise AI Solutions | Scalable . Flexible. Sustainable
Seasia Infotech is a global AI-powered digital engineering company with 25+ years of experience delivering custom software, AI solutions, cloud applications, mobile apps, and enterprise platforms. We help businesses accelerate innovation, improve efficiency, and drive digital transformation...
Top Services:
- Software Development
- Mobile App Development
- Web Development
- AI Development
- Big Data Analytics
- Show more
- Location
- Emeryville, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 65 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsSeasia Infotech Services
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Seasia Infotech Reviews & Testimonials

eCommerce Development Review from cornelia verden
This Company is AMAZING, they are very professional. We hired them to build my website, and they did an EXCELLENT job. They continuously communicated with me during the development phase. If you want a beautiful, well-designed, professional website that has optimum functionabilty, You must go with Seasia Infotech. You can always expect excellent quality services from the professionals at Seasia Infotech.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsLeading the AI Revolution in Healthcare & Enterprise Solutions
Next-Generation AI Development Company - Transforming Ideas into Intelligent RealityDreamSoft4u is pioneering the future of AI-powered software development with cutting-edge Generative AI solutions that deliver measurable business impact...
Top Services:
- Software Development
- Mobile App Development
- Web Development
- IoT
- AI Development
- Show more
- Location
- Corona, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 18 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsDreamsoft4u Services
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Dreamsoft4u Reviews & Testimonials

eCommerce Review from Adil Abbas
We were not looking for one specific task to be done. We hired Dreamsoft4u for many different tasks. For our existing platform, some features were to be added. This was one task. Next, we wanted to build our own e-commerce platform for our own products with a crypto-checkout feature. Next, we also wanted to build a prediction platform. Among all the requirements that we had, our major requirement was the e-commerce platform that we needed for our own products. Also, we needed a crypto checkout platform for the same. The design is very minimalistic. Thus, giving a very user-friendly experience. The product will show its USD price and during the checkout, its crypto price will be shown. We have also added some new features to our existing platform. We were able to host the website successfully. The whole project, despite so many things to be done, went smoothly. It was a completely hassle-free experience. The team worked in coordination. We had to stand up calls on a daily basis to discuss the upgrades, improvements and progress. The team at Dreamsoft4u is very flexible to work with. So far, we have not felt the need for any sort of improvement for Dreamsoft4u.

Mobile App Development Review from Dipanjan Chatterjee
We hired Dreamsoft4u to rapidly build an on demand liquor delivery app - that also serves an alcohol marketplace, liquor store locator and a rare source to find alcohol. The product they developed is not just a stereotype on demand delivery mobile app but it is the best liquor store locator and a rare source to find alcohol. Our dream was to build a platform that caters to enterprise customers who are looking to procure alcohol online for events and special uses. We signed a contract with them to develop an on demand liquor delivery app for both Android and iOS platform. We want to build a product that serves as beer finder and alcohol tracker wherein users should be able to shop a wide selection of liquor from multiple local stores in one go. Further, they should also be able to compare prices, deals from the liquor stores nearby their location at fingertips. The most impressive thing about Dreamsoft4u was everything got designed and developed inhouse by experienced developers. We had rough draft of wireframes but they improved it with their designing and added the elements of branding and personality. The app got launched on App Store and Play Store. Since the launch of this version of the app, we have gotten all positive feedback. Not only users are admiring the app design but we are also experiencing good amount of downloads with high user retention. Cant find any areas for improvement , they have been fantastic throughout our journey.

IT Services Review from Toby Cosgrove
We realized that there is a direct correlation between Instagram posts and online sales of our product. Hence, we met Dreamsoft4u with our vision to create a visual planner for Instagram from a designers and editors point of view that boosts and protects any ecommerce brand. The task looks simple but to build such tool is indeed full of complexity and throws challenge. We started with a pleasant kick-off meeting with the account- and project manager to make sure all involved parties are on the same wavelength and inline with our vision. They provided Basecamp, JIRA, Notion, Figma as a collaboration tool for daily communication, questions and updates. Earlier we wanted to develop a planner but they advised us to go ahead with incorporating scheduling feature too which is like an icing on the cake. The product got launched before time and received pretty impressive feedback from our community. Hardly any other development companies can meet deadlines before due time and that too without compromising on quality and impacting on your pockets. Their technical team is active and goes deep into the solutions. The team possess high level of integrity and passion for quality delivery, The product they have developed is launched and we received pretty good response. The impressive facts about them are commitment to delivery, understanding of customer requirements, and quality of development. Cant find any areas for improvement, they have been awesome throughout our journey.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsScalable Intelligence
ScalaCode is a leading AI software development company helping startups and enterprises build intelligent digital products. We specialize in Generative AI, AI Agents, LLMs, RAG, machine learning, cloud-native applications, and custom web and mobile software solutions...
Top Services:
- AI Development
- Mobile App Development
- Software Development
- eCommerce Development
- Show more
- Location
- San Jose, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 2 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsScalaCode Global Pvt. Ltd. Services
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ScalaCode Global Pvt. Ltd. Reviews & Testimonials

Mobile App Development Review from Tanyaradzwa Man'ozho
Scalacode has created a mobile application for iOS and Android. We initially had enough; the iOS app had been developed, so Scalacode reoptimized it and improved its performance. On the other hand, theyve built the Android version from scratch as a new application.Weve just launched the product, and the app works really well; its much faster performance-wise. Moreover, the product is more responsive, and our customers are happy.

Software Development Review from Candice Claassen
Scalacode has designed and developed my mobile app for iOS and Android. After signing the contract, I sent the team prototypes of my idea and vision for the app. Then, Scalacode started the development phase using React Native and Flutter, as well as Figma for design. The app is technically completed, and Scalacode is working on a couple of things. After launching the app, Scalacode will provide maintenance for a year.

Mobile App Development Review from Mila Banerjee
We started with a discovery phase with Scalacode, lasting 34 weeks. During this time, we discussed my app's features, design, and required process flows. It was an insightful and valuable phase.Afterward, Scalacode provided a quote for app development, and since they did well during the discovery, I chose to proceed with them.Scalacode has since developed the app from scratch for both iOS and Android, using Flutter for iOS. We've been collaborating on ongoing development for almost three years. Although the app isn't live yet, I know Scalacode has successfully worked on several apps for prominent companies. Based on their work so far, I'm confident in the quality, which has been excellent, and I have no complaints.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsTurning 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...
Top Services:
- Mobile App Development
- Web Development
- eCommerce Development
- Software Development
- Web Design
- Show more
- 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
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsAppCrops Services
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AppCrops Reviews & Testimonials
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'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'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 ReviewsTop AI & Mobile App Development Company in Dubai
Code Brew Labs is a leading AI and mobile app company in Dubai. Our highly trained developers make the best out of your ideas to build a brand of great heights...
Top Services:
- AI Development
- Web Design
- Web Development
- Blockchain
- Mobile App Development
- Show more
- Location
- San Diego, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 5 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsCode Brew Labs - Dubai Services
Data sourced from the agency's DesignRush profileHasan Dridi Irina Covrig Ahmad Hussain Muhammad Asif
Building the Future, Code At A Time
Ambsan Digital is a full stack company specializing in high-performance web and mobile app development. We transform ideas into scalable digital products, offering end-to-end services from UI/UX design and custom web platforms to native and cross-platform mobile applications. Our expert developers focus on...
Top Services:
- Mobile App Development
- Web Design
- Web Development
- Software Development
- UI/UX Design
- Show more
- Location
- California City, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsAmbsan Digital Services
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Ambsan Digital Reviews & Testimonials

Web App Review from Aster Yousuf
The team did an excellent job developing our web application. They understood our requirements and delivered a responsive, user-friendly application with smooth navigation and efficient workflows. The development was well structured, scalable, and aligned with our business needs, making the overall user experience much more seamless.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsAiming to Achieve Your Business Goals Through Technology
Code Genesis is a full-stack development company dedicated to building scalable and secure digital platforms. We combine expertise in cloud, automation, and modern software engineering to create solutions that are both innovative and reliable. Our mission is to deliver technology that not only meets todays...
Top Services:
- Mobile App Development
- Software Development
- UI/UX Design
- AI Development
- DevOps Consulting
- Show more
- Location
- Santa Clara, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 7 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsCode Genesis Services
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Your Trusted Partner for Outsourcing IT Projects
TPLEX is a software outsourcing company. We provide companies with top tech talent and product development expertise...
Top Services:
- AI Development
- Software Development
- Staff Augmentation
- Managed Services
- Cloud Consulting
- Show more
- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 2 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsTplex Services
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Big Ideas Start with SunerGarcia.
We are SunerGarcia. We are an innovative digital marketing agency that focuses on building around technology and consumer experience. We build exciting brand experiences for our clients. Our team is a fine assortment of movers and shakers, creatives, designers, planners, tech enthusiast, and all around hard...
Top Services:
- Web Design
- Web Development
- SEO
- PPC
- Software Development
- Show more
- Location
- San Diego, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $1,000 - $10,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsSunerGarcia Services
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Specialist teams for software, AI automation & BPO
Naqvix is a technology and operations partner for US companies. Rather than one generalist bench, we run dedicated specialist teams — each led by an industry expert — under one roof: custom web and SaaS development; iOS, Android, Flutter and React Native apps; AI agents, chatbots and workflow automation;...
Top Services:
- Software Development
- Web Development
- Mobile App Development
- AI Development
- BPO
- Show more
- Location
- San Ramon, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsNaqvix Services
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Strategy, design, engineering, and AI
Bay Area Coders is a San Francisco-based product and engineering studio working with venture-backed startups and growth-stage companies since 2016. We combine strategy, design, engineering, and AI to help teams ship real products and modernize existing ones...
Top Services:
- Software Development
- Web Development
- Mobile App Development
- AI Development
- Design Services
- Show more
- Location
- Roseville, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsBay Area Coders Services
Data sourced from the agency's DesignRush profileIterable Loop Returns Atmosphere TV theChive OXGN
Innovate, Create, Excel.
SoftGrid Computers is a prominent custom software development company that excels in blending the latest technologies with well-organized creative work. With a strong focus on understanding client needs and delivering optimal solutions, we strive to be a reliable partner that offers great value for money. Our...
Top Services:
- Mobile App Development
- Web Design
- Software Development
- Web Development
- Reputation Management
- Show more
- Location
- Santa Monica, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $1,000 - $10,000
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsSoftGrid Computers Services
Data sourced from the agency's DesignRush profileEmarky Veda Grace Locumbay Enlightened Marketing LLC etc. Cloud NatVZ
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