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
16 Companies-Rankings updated: September 03, 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.
SynergyTop is a custom software development company
SynergyTop is a healthcare-focused custom software development company offering healthcare platforms, EHR and FHIR integrations, patient portals, telehealth solutions, AI automation, web development, mobile apps and product engineering services...
Top Services:
Web Design
eCommerce Development
UI/UX Design
Web Development
Mobile App Development
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Location
San Diego, California
Number of Employees
50 - 99
Average Hourly Rate
$50/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
7 Projects Listed
SynergyTop Services
Web Design
eCommerce Development
UI/UX Design
Web Development
Mobile App Development
Software Development
Digital Marketing
ERP Consulting
SEO
AI Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Trimark
Stark
BizCity
Schoolicious
Angel Shave Club
Data sourced from the agency's DesignRush profile
SynergyTop Reviews & Testimonials
Sam Grote
Founder and Chief Executive Officer at Centerpiece Software
5.0★
UI/UX Design Review from Sam Grote
We were developing the next-generation of our key product and wanted to re-envision the UI/UX to be more modern, focused and intuitive. We were pleased with the deliverables, and we admired how the team took the challenge of handling a high-tech application they weren't previously familiar with. A communicative team, SynergyTop was transparent about their process, and their expertise in design resulted in an efficient workflow.
Susan Avarde
Strategic Advisor at Presciant
5.0★
Mobile App Development Review from Susan Avarde
We have partnered with SynergyTop for mobile development projects. We have some bandwidth on this area, but for larger scopes of work which needed to be executed in a short period, SynergyTop supplied a much larger team. SynergyTop offered expertise across many complicated technical specifications, and they skillfully handled large-scale, intensive projects. We appreciates how many resources SynergyTop is willing and able to dedicate at a time, which shows their commitment to the work.
Dudley Gould
VP at Circit
5.0★
Mobile App Development Review from Dudley Gould
SynergyTop successfully launched our app and met our expectations. The team fixed bugs and provided a testing team with impressive skills. SynergyTop had impressive communication skills and was responsive via daily emails and Zoom meetings.
Reviews verified by DesignRush and sourced from the agency's profile
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Software, mobile and SaaS application development since 2004.
We are located in beautiful Phoenix, Arizona, and we can meet you in person anywhere in Arizona or Southern California. We have clients coast to coast and we have a long and proud history as a technology advocate for small business. To learn more, call us at 623-845-2747 or visit datatitan.com...
Top Services:
Mobile App Development
Software Development
IT Services
Digital Services
Digital Strategy
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Location
Los Angeles, California
Number of Employees
Under 49
Average Hourly Rate
$100/hr
Minimal Budget
$1,000 - $10,000
Data Titan Services
Mobile App Development
Software Development
IT Services
Digital Services
Digital Strategy
UI/UX Design
eCommerce Development
Web Development
Business Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
United States Air Force
Fidelity National Financial
The University of Texas at San Antonio
Continental Floral Greens
International Insurance Group
Cupid Nation
Blue Sky Communications
Nitti Builders
Edvance Research
Vilore Foods Internationa
Data sourced from the agency's DesignRush profile
Data Titan Reviews & Testimonials
Emma Bowers
Founder, CEO at LabPair, Inc.
5.0★
Software Development Review from Emma Bowers
John Tomblin has served as the software architect and Chief Technology Officer for our software startup, LabPair, for the past two years. During this time John has played an essential role in developing the LabPair software, helping us hone our business model, and plan our launch strategy. I have been delighted with John's services and look forward to our continued partnership.
John enjoys a high degree of success as a developer because he is able to engineer software solutions for a variety of marketplaces, no matter how complex or niched. In additional, he has a highly orchestrated, efficient, time- tested process that he uses to scope software projects and get them programmed to clients' specifications. I have been especially appreciative of how John and his team have been both forthright and accurate in estimating the time and cost associated with project development. By far, my favorite part about working with John is his jovial personality, can-do attitude, and excellent communication skills.
Thomas Canale
Founder at Truppraisal. LLC
5.0★
Software Development Review from Thomas Canale
In 2022, I realized that I needed to find a software development firm capable of designing and developing a SaaS application that would serve the real estate community's need to create reliable, usable, Competitive Market Analysis (CMA) reports, but do so in such a way that also reduced the creation time by as much as 95%. After meeting John and his team, and talking for several weeks about my project, I knew instantly that Data Titan was the right company. Not only were they attentive to every detail of the project, but they also remained vigilant with communications, managing change orders, and keeping to the exact time schedules set for the two-year project, and its numerous phases. Additionally, John's company used 'Scope Atlas', their company's software development application system, to design every screen before any programming work. Having now been through a two-year development process, I realize this project would have never launched without 'Scope Atlas', John's leadership, his senior team, and most importantly, his considerable expertise and insight in the software development sector. I wholeheartedly recommend John and his company for any software or mobile app development project you may be considering. Thank you.
Kara Peterson
Founder at Epic Publisher
5.0★
Software Development Review from Kara Peterson
Have you ever had a dream? Have you envisioned greatness? This is who I am, I had the idea, but it was just out of my grasp. John Tomblin is in the business of making your creativity and genius a reality. When I first reached out to John, I thought I was on one track. I have a habit of seeing the end, but all of the details are distractions and I had not given them any thought. I was completely unaware of the scope of my project. John did a year long scope and sequence with me, that turned into consulting. He showed me that there is so much more than the end product. I have worked with technology companies in the past and they do one thing really well, they develop technology. John looks at the project holistically. From when the consumer/customer first engages with your product, to how they will actually purchase the product, to the ease of use of the technology, to the performance of your product, to the marketing - how will you first find these customers, and so much more. John is detail oriented and very organized. Nothing slips past him because of his methodology with his wireframes. He holds weekly meetings to make sure the client (me) and he have both done our "homework" to move the project forward. The meetings also ascertain that we are both on the same page about the project. Working with John is a pleasure; I look forward to our weekly talks. I am certain that he is "on my side" and is looking out for my best interests. The world has gotten very small and it is easy to find someone to build your product. However, it is not easy to find someone who will listen to your dream, help you reach it, look out for your best interests and whom you can put complete faith in.
Reviews verified by DesignRush and sourced from the agency's profile
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Software & Mobile Application Development Company.
Rushkar Technology Pvt. Ltd. is a premier software development company based in India, renowned for its commitment to delivering high-quality, timely, and cost-effective offshore software and mobile application solutions. At Rushkar, we prioritize long-term relationships and client satisfaction, ensuring that...
Top Services:
Software Development
Mobile App Development
Staff Augmentation
eCommerce Development
Web Development
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Location
Anaheim, California
Number of Employees
100 - 249
Average Hourly Rate
$12/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
2 Projects Listed
Rushkar Technology Pvt. Ltd. Services
Software Development
Mobile App Development
Staff Augmentation
eCommerce Development
Web Development
Software Testing
AI Development
CRM Consulting
IoT
Cloud Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Our software development project has received exceptional outcomes from Rushkar Technologies. Their devotion to deadlines, strong code quality, and agile technique have proven essential. We at New Icon value their successful use of Scrum methods and integration of CI/CD pipelines. Strongly advised for any purposes pertaining to advanced growth.
Aravind Kumar Thakur
Deputy Manager at KEI INDUSTRIES LIMITED
5.0★
Web Development Review from Aravind Kumar Thakur
I am grateful for the chance this service has given me. I received good, friendly service from Rushkar Technology. They made sure that my specifications were satisfied by providing a multitude of design and formatting possibilities. They also gave access to all the data required to maintain the site's functionality. An amazing team offering a priceless service to the manufacturing of electrical and electronic.
Daniel Ari Feldmar
Chief Operating Officer at Felbro Food Products, Inc
5.0★
Mobile App Development Review from Daniel Ari Feldmar
For our project on food manufacturing, we hired Rushkar. This was made possible by the agency's outstanding support throughout the project, which included proactive problem-solving, innovative solutions, and meticulous attention to detail. At first, reaching a consensus on project objectives was the biggest obstacle, but Rushkar swiftly made plan adjustments and engaged in open communication to address problems. Our business was greatly enhanced by its solution, which also improved consumer involvement. Rushkar continues to be a reliable partner for our upcoming initiatives, even though it might further improve its excellent work with faster reaction times and more service options.
Reviews verified by DesignRush and sourced from the agency's profile
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We provide a full range of services as a full-service mobile app development company, including mobile strategy, design, integration, migration, and upgrade, as well as 24 hour support and maintenance...
Top Services:
eCommerce Development
Mobile App Development
Software Development
Web Development
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Location
Altadena, California
Number of Employees
100 - 249
Average Hourly Rate
$49/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
7 Projects Listed
EbizON Digital Services
eCommerce Development
Mobile App Development
Software Development
Web Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
IT Industry
Fintech Industry
Standard Technology
Data sourced from the agency's DesignRush profile
EbizON Digital Reviews & Testimonials
Derek Ching
Owner at Hawaii's Choice
5.0★
eCommerce Development Review from Derek Ching
I had the pleasure of working with the Ebizon Digital team on our Klaviyo email marketing, Meta (Facebook) campaigns, and Google Ads and I can honestly say they've been outstanding.
They are incredibly responsive, proactive, and reliable, keeping our project on schedule while delivering wonderful ad creatives for our Hawaiis Choice brand. After working with many digital marketers over the years, Ebizon truly stands out with their great communication and consistency.
As someone who isnt very web or tech savvy, I especially appreciated how they took on the heavy lifting with programming, patiently explained their process, and followed through on every promise. The results in email and paid media performance speak for themselves.
I look forward to a long-lasting partnership with Ebizon as we continue building our marketing and sales for Yick Lung Hawaiis Choice, sharing our snacks with customers around the world.
Hannah Khalaf
Marketing Manager at SurfPrep Sanding
5.0★
Shopify Plus eCommerce Review from Hannah Khalaf
Working with Ebizon has been an excellent experience from the start. We brought them on to help with our email and SMS campaigns, including setting up key flowsand within the first month, we've already seen great success. Their team is knowledgeable, fast to respond, and really easy to work with. They've helped us build strong automations and flows that are already making a difference in our customer engagement and sales. Were excited to keep growing with their support!
Daniella Park
owner at Doing It Sober
5.0★
B2B eCommerce Review from Daniella Park
I've been working with Ebizon for several years now, and they continue to exceed my expectations. From SEO to digital email marketing and beyond, their team is knowledgeable, responsive, and genuinely invested in my success. It's rare to find a partner this consistent and dependable highly recommend them to anyone looking to grow their digital presence.
Nitin, Shahin, Prishita and Prerana are excellent communicators and I enjoy working with them all.
Reviews verified by DesignRush and sourced from the agency's profile
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HashStudioz Technologies is an award-winning product development company providing innovative IT solutions to clients from startups to Fortune 500 firms. With a team of over 1,000 experts, they have successfully completed 200+ projects, offering advanced technologies such as IoT, Blockchain, Cloud Computing...
Top Services:
Software Development
IoT
Mobile App Development
DevOps Consulting
Cloud Consulting
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Location
Altadena, California
Number of Employees
250 - 499
Average Hourly Rate
$30/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
4 Projects Listed
HashStudioz Technologies Services
Software Development
IoT
Mobile App Development
DevOps Consulting
Cloud Consulting
AI Development
Web Development
Graphic Design
Business Consulting
IT Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
THINK Gas
Fyrii
JoyScore
Data sourced from the agency's DesignRush profile
HashStudioz Technologies Reviews & Testimonials
Ryan Kenning
Project Manager at NEC Financial Services
5.0★
Software Development Review from Ryan Kenning
HashStudioz Technologies is a huge contributor in helping us update our systems. They've built internal portals for our customer base and our dealer base, and as we continue to grow, we use them to enhance those two solutions they created for us.
Regarding the process, we start with a meeting to lay out what we want, whether it's a solution or an upgrade to a solution. We look to them for advice and insight, what theyve seen, and what they think is the best way for us to go theres back and forth communication regarding getting everything set up. After that, they put out a great statement of work for us and have a kickoff meeting to start the task weve known each other for so long that everything is routinary.
we are delighted with the functionalities that HashStudioz Technologies has developed over the years, which has streamlined our processes. we also praise their friendly approach to explaining things and making everything smooth.
Dan Moscatiello
General Manager at The Training Center
5.0★
Software Development Review from Dan Moscatiello
We evaluated several proposals and HashStudioz Technologies provided a solution that best fit our organization. There were several vendors and we were satisfied with our options and ultimately selected Fingent.
The software had to account for company data, student data, course data and bring those data points together in a complete CRM package. The software is effective and improving our business efficiency and performance.
Overall, the engagement with HashStudioz Technologies yielded positive results.They collaborated well with us. Moreover, the team was responsive and accommodating to our needs and change requests.
Robert Learney
Co-Founder & Director at Accunea Ltd.
5.0★
Software Development Review from Robert Learney
HashStudioz Technologies developed our devices UX/UI so we could view and pull data. The goal was to have interface capabilities to turn the data into explainer graphs and the ilk. At the beginning of the project, I provided HashStudioz Technologies team with Arduino-based demo boards that interacted with specialized frontend hardware that captured usable data. I also gave HashStudioz Technologies information about the protocol and data format I was using.
HashStudioz Technologies delivered a usable UX/UI that met our needs within two sprints, despite working with hardware they had no experience with. we were satisfied with HashStudioz Technologies's work and project management we had sprint review meetings and project progress meetings with the project manager.
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LevelShift is a Summit-tier Salesforce consulting partner headquartered in Irvine, California, with offices in Asia and the UAE. It offers scalable, on-demand Salesforce services including advisory, implementation, customization, integration, and admin support through a flexible Pay-As-You-Use model. Rated...
Top Services:
Software Development
eCommerce Development
CRM Consulting
Cloud Consulting
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Location
Irvine, California
Number of Employees
100 - 249
Average Hourly Rate
$99/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
4 Projects Listed
LevelShift Services
Software Development
eCommerce Development
CRM Consulting
Cloud Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Santa Clara University
Jamboree Housing
American Technologies, Inc.
Business Credit Report, Inc.
Solect Energy
Geographic Farming
Gain Capital
HME
Radiological Society of North America
Data sourced from the agency's DesignRush profile
LevelShift Reviews & Testimonials
Krishna chandra
Review from Google
5.0★
Krishna chandra's Review Sourced from Google
Guess my earlier posting didnt make it through. Here it is.
Worked with DemandBlue team and was very happy with their knowledge and execution methodology. They advised us after understanding our needs completely and provided an holistic solution. Their costing plans were nominal and didn't stretch our budgets. Very happy with the deliverables and support after go live. Our next endeavor will still be with them.
Certainly a company that can be trusted for their depth of business domain knowledge and complimenting technical skills.
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Capital Numbers are an award-winning Digital Transformation and Engineering Firm offering end-to-end software development solutions to Enterprises, SMEs, Digital Agencies, and Startups worldwide. Pricing starts at $25/hour...
Top Services:
Web Development
Software Development
Mobile App Development
AI Development
Software Testing
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Location
San Francisco, California
Number of Employees
500 - 999
Average Hourly Rate
$25/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
15 Projects Listed
Capital Numbers Services
Web Development
Software Development
Mobile App Development
AI Development
Software Testing
Staff Augmentation
Cloud Consulting
eCommerce Development
WordPress Website Design
DevOps Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Best award-winning software development company in South Korea.
Time Tec South Korea is a top-rated, multi-award-winning software development company providing a full suite of services and solutions like mobile application development, software development, Microsoft Dynamics 365 development, web development, ServiceNow consulting, and cybersecurity consulting to small...
Top Services:
Software Development
Mobile App Development
Cybersecurity
AI Development
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Location
Roseville, California
Number of Employees
1000 & Up
Average Hourly Rate
$25/hr
Minimal Budget
$1,000 - $10,000
In Time Tec South Korea Services
Software Development
Mobile App Development
Cybersecurity
AI Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
AI-driven custom software development for complex, high-growth industries.
NEKLO is an international custom software development partner. Since 2008, weve specialized in building and scaling digital products for high-stakes industries, including Healthcare, Fintech, Energy, and Construction...
Top Services:
AI Development
Software Development
Mobile App Development
Product Design
Software Testing
Show more
Location
Burlingame, California
Number of Employees
100 - 249
Average Hourly Rate
$35/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
4 Projects Listed
NEKLO Services
AI Development
Software Development
Mobile App Development
Product Design
Software Testing
Staff Augmentation
Managed Services
IT Services
Big Data Analytics
DevOps Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
We Create Innovative Software for the Largest Companies.
We provide design and development services for software products. Our services are IT consulting and outsourcing, design and development of software using modern technologies based on artificial intelligence, mobile applications, web services and websites, system integration, maintenance and functional...
Top Services:
Branding
UI/UX Design
Creative Services
Mobile App Development
Package Design
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Location
Los Angeles, California
Number of Employees
50 - 99
Average Hourly Rate
$70/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
6 Projects Listed
Omega-R Services
Branding
UI/UX Design
Creative Services
Mobile App Development
Package Design
Graphic Design
Product Design
Software Development
Web Design
VR/AR
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
At DataSpot, we see AI as a powerful vehiclebut without the fuel of clean data and the road rules of governance, it goes nowhere. Our Human + AI-first approach combines the best of human expertise with the scalability of artificial intelligence, ensuring that our clients not only deploy AI but do so...
Top Services:
AI Development
IoT
Big Data Analytics
Cloud Consulting
Software Development
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Location
Fremont, California
Number of Employees
50 - 99
Average Hourly Rate
$45/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
1 Project Listed
Dataspot Consulting Group Services
AI Development
IoT
Big Data Analytics
Cloud Consulting
Software Development
Wearables
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
BitCodeSolution boosts your business with super-smart software solutions, business marketing, making innovation and growth a breeze. Were not just any software folks, were here to customize services that fit your unique needs...
Top Services:
Design Services
Branding
Web Development
Web Design
Social Media Marketing
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Location
Temecula, California
Number of Employees
Under 49
Average Hourly Rate
$25/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
1 Project Listed
Bit Code Solution Services
Design Services
Branding
Web Development
Web Design
Social Media Marketing
SEO
Software Development
Logo Design
Digital Marketing
PPC
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
At AlphaSquad Technologies, we transcend mere development to craft transformative digital experiences. With unmatched proficiency in Web Development and Mobile Application Development, we pave the way toward an innovative, digitally evolved landscape. Our specialization lies in pioneering Website Design...
Top Services:
Mobile App Development
Digital Services
Product Design
Web Design
UI/UX Design
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Location
San Francisco, California
Number of Employees
Under 49
Average Hourly Rate
$25/hr
Minimal Budget
$1,000 - $10,000
AlphaSquad Technologies Services
Mobile App Development
Digital Services
Product Design
Web Design
UI/UX Design
Web Development
eCommerce Development
Software Development
Digital Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
A modern digital studio building high-performance websites, SEO systems, and growth platforms for brands that want real results not just visuals...
Top Services:
SEO
Web Design
Email Marketing
Mobile App Development
Digital Marketing
Show more
Location
Roseville, California
Number of Employees
Under 49
Average Hourly Rate
$55/hr
Minimal Budget
$1,000 - $10,000
WebVello Services
SEO
Web Design
Email Marketing
Mobile App Development
Digital Marketing
Web Development
AI Development
eCommerce Development
UI/UX Design
Software Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
GutterFX
Lifetime
Visit Auburn
Fagan Painting
Data sourced from the agency's DesignRush profile
WebVello Reviews & Testimonials
Dima Songrov
Review from Google
5.0★
Dima Songrov's Review Sourced from Google
WebVello did an excellent job building a professional website for my roofing business. The site not only looks great, but it’s structured in a way that actually helps people find me locally on Google. I’m already able to showcase my past work clearly, which has made it much easier to earn trust with new customers. Mark and the team really understand local search, visibility, and how to turn a website into a real business asset. I highly recommend WebVello to any contractor or service business looking to grow online.
Karina Gedarevych
Review from Google
5.0★
Karina Gedarevych's Review Sourced from Google
Working with them was straightforward and stress-free. I didn’t have to chase updates or worry about things falling through the cracks. They handled the design and setup professionally and kept me informed throughout the process. The final website looks modern, loads fast, and fits my business perfectly. I’m very satisfied with the results.
Mark Gedarevych
Review from Google
5.0★
Mark Gedarevych's Review Sourced from Google
Webvello built my website and I’m really happy with how it turned out. They were easy to work with, explained things clearly, and delivered exactly what they promised. The site looks great and runs smoothly. I’d definitely recommend them.
Reviews verified by DesignRush and sourced from the agency's profile
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Esclatech is a leading software development and digital transformation company specializing in Mobile App Development, Web App Development, SaaS Solutions, and AI Automation Services...
Top Services:
Digital Services
IT Services
Mobile App Development
Software Development
CRM Consulting
Show more
Location
California City, California
Number of Employees
Under 49
Average Hourly Rate
$100/hr
Minimal Budget
$1,000 - $10,000
Esclatech Services
Digital Services
IT Services
Mobile App Development
Software Development
CRM Consulting
eCommerce Development
Web Development
UI/UX Design
Web Design
Digital Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
The Hammer Factory
Legacy Roofing Pros
Belladi Remodeling
Data sourced from the agency's DesignRush profile
Esclatech Reviews & Testimonials
Tom Damiano
Owner at Damiano
1.0★
Digital Services Review from Tom Damiano
i hired this company for three months to do some SEO work. About two weeks in I realized how poorly things were worded and just corny and sales-y the language was. I told them to change it over and over and they couldnt do it.
I told them I wanted to cancel and go our separate ways. Now they are currently holding my money and will not give it back.
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Your Trusted IT Consulting Company for Business Success.
TST Technology is an IT consulting company that offers services such as UI/UX design, web and mobile app development, software development, and SaaS product development. They have completed over 40 projects across 15+ industries...
Top Services:
IT Services
UI/UX Design
Mobile App Development
Software Development
Web Development
Show more
Location
Los Angeles, California
Number of Employees
50 - 99
Average Hourly Rate
$50/hr
Minimal Budget
$1,000 - $10,000
TST Technology Services
IT Services
UI/UX Design
Mobile App Development
Software Development
Web Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
ICICI Bank
TeekTASK
Fond
Data sourced from the agency's DesignRush profile
TST Technology Reviews & Testimonials
divyesh pandav
Review from Google
5.0★
divyesh pandav's Review Sourced from Google
I recently completed a project with TST Technology as a Python developer. The team's behavior was excellent, and the work environment was incredibly positive. It was a great experience working with such a supportive and professional group.
Jeel Doshi
Review from Google
5.0★
Jeel Doshi's Review Sourced from Google
I have worked here as an Intern and had a great work experience and got the opportunity to learn many new things. Got extremely supporting, motivating mentor and friends and the company has very light and calm environment to work which makes mind keep working in any situation.
Jay Gajera
Review from Google
5.0★
Jay Gajera's Review Sourced from Google
Working in TST has been a great professional experience for me. As an intern, it was the first big achievement I received, and I am very glad that my mentor were always there to assist me. Thank you very much. I learned a lot from this company. It was a pleasure working with TST members.
Reviews verified by DesignRush and sourced from the agency's profile
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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.