Top Software Companies in California
Are you searching for top software development companies in California? Here are the top software developers in California that offer the best software development services. Searching for a reliable software development company in California among many companies can be pretty daunting for potential software buyers. To help businesses tackle this challenging task, Goodfirms has compiled a list of the top software developers in California. The iconic software development companies in California are ranked based on several qualitative and quantitative factors, including total industry experience, software portfolio, software design skills, technical expertise, and client feedback. So, pick a company from the list below of California software companies to ensure the success of your software project:
List of California's Top Software Development Companies & Developers
-
Informatix offers an exceptional depth and breadth of experience, dedicated staff with outstanding skills, and a commitment to finding innovative and effective solutions to our customers’ technology and business needs.Our culture revolves around two core principles: respect and dedication. We value teamwork and the contributions of each team.
$100 - $149/hr250 - 9991993Sacramento, California -
When you engage Sofmen, we become your technology partner. Our teams of software engineers have all the combined skills needed to ensure all your applications and business functions work together seamlessly. For that to happen, it takes a number of different skill-sets and the right architectural oversight to put the many talent together. That is ... read Sofmen reviews & insights
$25 - $49/hr50 - 2492002Saratoga, California -
Aaryan Apps has been in the business of providing technology services for over 10 years. We employ a wide range of research tools to develop a comprehensive IT strategy that will meet your business goals. we deliver tools which allow the creation of robust and powerful technology service. Our mission is to make technology available ... read Aaryan Apps Inc reviews & insights
$25 - $49/hrFreelancer2009Anaheim, California -
We manage your software development project from concept to completion. We speak business and can translate your needs into high-quality technology so you don’t have to: worry-free software development is what we do.
$50 - $99/hr2 - 92008Burbank, California -
We are the pioneers in unleashing revolutions, using technology, people and processes. We are solving some of the most complex problems this World has ever witnessed, and we are empowering businesses and organizations with a new vision. Our USPs lies in introducing large scale business transformation and introducing cutting edge product engineering across a wide ... read Samin Tekmindz, Inc reviews & insights
$25 - $49/hr250 - 9992006Santa Clara, California -
Thinklogic is a consulting firm specializing in web design, web development and custom business software solutions. With offices in Los Angeles and Pasadena, Thinklogic has successfully executed projects for up and coming startups to fortune 500. Our custom solutions meet the individual needs of your business by providing innovative design and web integration in a competitive, ... read Thinklogic reviews & insights
NA10 - 491998El Sobrante, California -
Block Blox was created to deliver a unique offering to its clients: combining top industry experts with cross-industry experience with a qualified network of resources, tools, and services. With a talented team based around the world, Block Blox has unparalleled global reach in technological and business fields. Specialties Strategic Advisory, Project Management, Product Development, and ... read Block Blox reviews & insights
NA10 - 49San Francisco, California -
Visionary Integration Professionals (VIP) offers a diverse solution portfolio that allows organizations to better align strategy to execution. Our four core disciplines – Management Consulting, DevOps, Software Quality Management and Organizational Development – provide the visibility, planning, and agility needed to accelerate strategic change. Today, more than hundreds of organizations have made the right business ... read Visionary Integration Professionals reviews & insights
$150 - $199/hr250 - 9991996Folsom, California -
We love what we do! Our team is smart, passionate, and creative, and our integrity and commitment are unmatched. We have years and years of experience delivering cloud development operations to a wide variety of clients and industries,We are conveniently headquartered in the Southern California area with main office in North of San Diego, CA ... read Stackwire LLC reviews & insights
$50 - $99/hr10 - 49San Diego, California -
New Context is an innovator in the security of data for highly regulated industries including energy, telecommunications, finance and retail.
< $25/hr10 - 492013San Francisco, California -
Povio Labs is a creative and talented team of on-demand developers and designers helping top companies build and launch scalable software. We are a Y-combinator backed company, and we make it easier to hire project-based developers and designers anywhere in the world on-demand.
$50 - $99/hr50 - 2492013San Francisco, California -
Entersec is a full circle technology solution provider. We offer top notch development services for startups and existing products. Our experience based on over 12 years of experience of working with clients from small e-shops and startups to Fortune500 companies. Our goal is to bring your ideas live and build long-term relationship with successful development ... read Entersec reviews & insights
$25 - $49/hr10 - 492008Santa Monica, California -
Yardi is dedicated to the design, development, and support of real estate investment management and property management software. We offer full business solutions for every real estate market, including multifamily, single-family, affordable, public, senior, and military housing as well as office, industrial, and retail market segments.
$100 - $149/hr1,000 - 9,9991982Santa Barbara, California -
SWK will move your business beyond technology. We look at your whole business for opportunities to improve your systems. We then apply our many years of business solutions knowledge and know-how to tie it all together… seamlessly. SWK offers ERP, EDI and WMS software products and solutions as well as customized software development and managed ... read SWK Technologies reviews & insights
< $25/hr50 - 2491987San Diego, California -
InApp is a leader in web applications, custom software, and mobile applications. With offices in India, the USA, and Japan, we’ve completed thousands of projects over our 22 years in the business. We know how to get software projects done! InApp can build a premium-quality solution quickly and at ⅓ the price you’d pay for ... read InApp Inc reviews & insights
$25 - $49/hr250 - 9992000Palo Alto, California -
Our passion for our craft allows us to shift speed and focus as client needs dictate. Leveraging our expertise as builders, we drive business transformation and position our clients for a sustainable future. By focusing on experiences over features, technology falls seamlessly into the background.We create transformational change that’s meaningful to our clients’ individual business ... read Agency73 reviews & insights
NA2 - 92017Encinitas, California -
Since 2008, we’ve been helping Bay Area businesses plan, build, and maintain the best websites possible for their unique needs. Our approach is simple. We believe what matters most about a website isn’t good looks or clever code – it’s how effective the site is at growing your business. That objective guides us as we create ... read PureLynx reviews & insights
$25 - $49/hr2 - 9Santa Maria, California -
We’re a renowned Agency helping start-ups and large brands build their identity with modern yet result-driving software solutions. Mainly focusing on bringing the sales on board, we prefer giving consultations for web development and marketing campaigns. Detailed analysis with insightful solutions is a plus point here.
$50 - $99/hr10 - 492019Manhattan Beach, California -
Looking for a reliable and innovative software development company for your business needs? Look no further than our company! With years of experience and a team of skilled developers, we specialize in creating custom software solutions that meet the unique needs of each of our clients. Whether you need a web or mobile application, cloud ... read Bepom Inc. reviews & insights
NA10 - 492017Los Angeles, California -
Linkosys is an information technology consulting company. It was founded in July 2016 and has two offices (California, USA, and Hanoi, Vietnam) with a team of well-trained and experienced engineers. We provide clients with cutting-edge technology, high-quality products, and business solutions. Have a new project? Email us at [email protected] Our services: Mobile App Development Web-App Development ... read Linkosys reviews & insights
$25 - $49/hr10 - 492016Orange County, California -
We are a web design and software engineering firm with focus on technology and documentation. We can help your business grow through digital marketing, custom web design, search engine optimization (SEO), software engineering & development, website hosting services, website analytics, social media integration / strategy / management / creation. From e-commerce websites to software integrations ... read OC Imagine reviews & insights
< $25/hr10 - 492021Orange County, California -
We develop custom software for our clients. We are a team of full-stack software developers that can build any type of complex solutions. We also teach programming for those who want to learn. We develop software remotely, so you don't have to be located close to our office. However, if you want, we can meet ... read Developer Partners reviews & insights
$25 - $49/hr2 - 92020Los Angeles, California -
Bits and Bytes is the partner of choice for many of the world’s leading enterprises, SMEs, and technology challengers. We help businesses elevate their value through custom software development, product design, QA, and consultancy services. We help businesses elevate their value through custom software development, product design, QA and consultancy. E-COMMERCE SOLUTIONS GAMIFICATION SOFTWARE ... read Bit and Bytes reviews & insights
< $25/hr10 - 492021Diamond Bar, California -
We are a San Francisco based tech team motivated in developing scalable mobile and web applications. Our in-house team of developers, trained by industry domain specialists, also practice productive ways of remote working at reasonable prices. Yes, we help you hire talent/s based on your requirements.
NA10 - 49San Francisco, California -
We help our clients to determine the capabilities they need to compete, we develop, and often operate, the systems they need to grow, and we build the digital products they need to win.We get it you want to work somewhere that's about more than just the time you spend bathed in the glow of your ... read Span reviews & insights
$50 - $99/hr50 - 2492013San Francisco, California -
ThoughtMinds is a technology solution provider specializing in AI and digital engineering for AI-first digital enterprises, from fast scaling startups to global Fortune companies, across industries such as manufacturing, healthcare, technology, banking, and finance. We deliver AI business solutions that help organizations innovate and scale with confidence. With over two decades of entrepreneurial and engineering ... read ThoughtMinds reviews & insights
$25 - $49/hr50 - 2492023San Francisco, CaliforniaWhy ThoughtMinds?
- AI-native solutions for faster outcomes
- Scalable engineering for rapid growth
- Proven expertise in modern tech stacks
-
Abbot Kinney Agency is a technology and marketing firm dedicated to accelerating business transformation through artistry, collaboration, and technological innovation, all while preserving brand authenticity. Key Services: E-commerce Development: Specializing in platforms like BigCommerce, Magento, Shopify, Shopware, and WooCommerce, the agency offers comprehensive solutions to enhance online shopping experiences. Growth Marketing: Employing data-driven strategies to ... read Abbott Kinney Agency reviews & insights
$150 - $199/hr10 - 492023Venice, California -
Xyplix is a modern web and software development company helping businesses scale through clean, functional, and results-driven digital solutions. Whether you're a startup needing a marketing site, an enterprise looking to streamline internal tools, or a service business ready for automation — Xyplix turns vision into reality. From responsive websites and intuitive dashboards to custom ... read Xyplix reviews & insights
$50 - $99/hr10 - 492023Palo Alto, California -
At Solarium, we specialize in custom software development, with over 15 years of experience delivering tailored digital solutions for businesses across various industries. From startups to established enterprises, our mission is to turn ideas into scalable, efficient, and user-friendly software. We build everything from self-manageable websites and virtual stores to fully customized business platforms. Our ... read Solarium reviews & insights
$25 - $49/hr2 - 92010San Francisco, California -
5D Global network provides a range of services at competitive prices. Unlike traditional firms, our approach reduces costs and offers tailored solutions for research, concept creation, MVP development, and commercialization. Our team delivers quality results with agility and innovation to keep you ahead of the market.Our consulting and staffing approach eliminates recruitment fees, cuts overhead ... read 5D Global reviews & insights
NA10 - 492023Walnut Creek, California -
InSilicoMinds specializes in providing AI and advanced modeling and simulation solutions for Pharma & Life Sciences. We leverage the best of breed validated global solutions and service providers to offer the best in class in silico solutions which help our clients optimize their drug development cycle, reduce costs, save time, and improve patient outcomes. InSilicoMinds ... read InSilicoMinds reviews & insights
$25 - $49/hr50 - 2492021San Diego, California -
CRYMZEE Networks is an expertized growing team of 40+ talented and dedicated members. What we do is: transform your ideas digitally and convert your entrepreneur dreams into practical, flawless, and profitable digital solutions with the blessing of the latest and highest technologies. We are a full-lifecycle software development company expert in #development, #customization, and #integration ... read CRYMZEE reviews & insights
< $25/hr10 - 492017San Diego, California -
At Valerian Technology, we're not just a tech consulting firm; we're revolutionizers of the IT consulting landscape. Specializing in Fractional CTO, CTO Consulting, and Fractional CIO services, we stand out with our US-based team of developers and industry mavens. Our forte lies in bridging the gap between advanced technology strategy and effective management, positioning us ... read Valerian Technology reviews & insights
< $25/hr10 - 492018San Diego, California -
Sapient Logic is a passionate collective of engineers and managers dedicated to providing IT solutions for our valued customers. Our services encompass a wide range, including Software Development, Systems Engineering, Network Engineering, Test and Evaluation, Automated Cloud Deployment, and Artificial Intelligence Modeling. To achieve a harmonious balance between work and leisure, we actively engage in ... read Sapient Logic reviews & insights
< $25/hr10 - 492016San Diego, California -
At Arosys, we are more than just a software development company. With more than 20 years in business, we have evolved to be your strategic technology partner. We are committed to transforming your vision into innovative solutions. With a team of highly skilled professionals and a relentless focus on excellence, we specialize in delivering mission-critical ... read Arosys Technologies reviews & insights
NA10 - 492004Sunnyvale, California -
Flaidex is a full-service software company founded in 2021, built on over 9 years of hands-on development experience. Our strength lies in our highly skilled development team, supported by dedicated UI/UX designers and a result-driven marketing team, allowing us to deliver not just software but market-ready solutions. We specialize in custom software and product development, ... read Flaidex LLC reviews & insights
$100 - $149/hr10 - 492021Torrance, California -
GenAI Protos delivers AI consulting services, full stack AI application development, and custom AI solutions for startups, enterprises, and Fortune 500 companies. With 20+ years of experience in enterprise AI implementation, our team of generative AI experts accelerates innovation through rapid AI prototyping, cost-effective AI solutions, and strategic generative AI consulting. As trusted AI implementation ... read GenAI Protos reviews & insights
$50 - $99/hr10 - 492024Irvine, California -
InterraIT, a Ferfier group company, is a leader in Digital Engineering services focused on the Mobility and Manufacturing space. With over two decades of experience, we help customers in their Digital Transformation and Modernization journey with cutting-edge technology, enabling them to transform, grow, and thrive in a dynamic digital era. With a global presence and ... read Interra Information Technologies (InterraIT) reviews & insights
$25 - $49/hr250 - 9991996Irvine, California -
CodeWheel AI builds production-grade AI platforms for companies that need enterprise architecture - not just an app. I design, build, and operate full-stack AI products: RAG pipelines, agent systems, identity platforms, billing infrastructure, security operations, and observability - unified under one engineering workflow. What makes this different: Instead of juggling agencies or freelancers, you get ... read CodeWheel AI reviews & insights
$150 - $199/hrFreelancer2011Sunnyvale, California -
CircleTech is a leading Software services provider specializing in digital experiences, Data & AI applications, enterprise modernization and managed IT services. At CircleTech our mission is to empower individuals and organizations to consistently innovate and achieve excellence by stepping into the circle of latest technology.
NA10 - 492024California City, California -
Roxosoft is an innovative custom software development agency based in the United States, known for delivering tailored software solutions that meet complex needs. With extensive experience designing and developing enterprise applications, automation tools, and advanced engineering solutions, Roxosoft leverages modern trends and methodologies to ensure top-notch results. Its team consists of highly qualified developers with ... read Roxosoft LLC reviews & insights
$50 - $99/hr10 - 492008Sunnyvale, California -
The Coding Company is a software development agency based in Lahore, Pakistan, delivering high-quality digital solutions to clients worldwide. With a team of 40+ experienced engineers, we specialize in building web and mobile applications, custom software systems, and enterprise-grade platforms that solve real business problems. We work across modern technologies including AI, IoT, and blockchain, ... read The Coding Company LLC reviews & insights
$25 - $49/hr10 - 492022Tracy, California -
AISD is an AI-native software development company delivering enterprise-grade digital products at a fraction of traditional cost and timelines. We are a team of seasoned software architects, senior engineers, and QA leaders who built our careers inside top European, Ukrainian, and U.S. outsourcing companies. We understand how the conventional delivery model works — the layered ... read AISD reviews & insights
$50 - $99/hr10 - 492025San Francisco, CaliforniaWhy AISD?
- Up to 60 per cent Cost Reduction
- Senior-Level Engineering Team
- 2x Faster Time to Market
-
Estuate is a global technology services company with unique specializations. And now, we have embedded Agentic AI and Artificial Intelligence in each of our technology focus areas. Our philosophy is simple: AI is supposed to be a cognitive assist tool. It is supposed to accelerate innovation and time to market, not replace humans. We have gone to the next ... read ESTUATE reviews & insights
$25 - $49/hr250 - 9992005Milpitas, CaliforniaWhy ESTUATE?
- Extreme Service
- Always customer first and very honest
- Quick turnaround with AI enablement
-
Bitmatica began its journey over nine years ago to help organizations worldwide build great products. We believe the best products come from an incredible team who care deeply about every single detail, from each customer it serves to every line of code it’s powered by. Our passion for great products and even greater outcomes has ... read Bitmatica reviews & insights
$200 - $300/hr2 - 92012San Francisco, California -
Gateway TechnoLabs is a reputed IT company, serve various kind of IT solutions for Different kind of industries like Automotive,healthcare, publishing and media, Entertainment and gaming etc. since 1997. More than our technological expertise, it's our relationships, reliability, and credibility with our customers, that makes us a globally successful company. Rest is complimentary. We always ... read Gateway TechnoLabs reviews & insights
< $25/hr250 - 9991977San Jose, California -
Data Analytics and Integration Experts. Cloud, Web, Mobile. Transform your business with a leader in multi-platform development services. Our Hybrid Delivery approach utilizes a combination of onshore and offshore resources to maximize cost and efficiency.
$25 - $49/hr50 - 2492010Santa Clara, California -
We are an IT outsourcing and software development company with more than 10 years of experience in connecting you with a pool of prevetted global talent. Our network is made up of experts in recruiting and workforce solutions across technologies and engineering. Advancio’s industry expertise and full-service capabilities in dedicated teams and project-based solutions in different industries ... read Advancio reviews & insights
$50 - $99/hr50 - 2492010Valencia, California
Confused about which partner to choose?
Let our experts study your requirements and send a curated list of trusted companies.
Get a shortlistWhy Trust Goodfirms
Goodfirms is the world’s leading reviews and ratings company featuring 110,000+ tech companies from across the globe, complete with 80,000+ humanly vetted client reviews, detailed portfolios, hourly rates, employee strength, and more to help you choose your perfect tech partner.
Humanly-Vetted Client Reviews
Our researchers have personally vouched for the authenticity of 80,000+ client reviews by speaking directly with clients, cross-checking project details, timelines, and results to ensure 100% credibility.
Data-Driven Rankings
Data powers our company listings. Every company listed is evaluated based on its expertise, experience, market presence, reviews, and client satisfaction rate, which helps buyers confidently choose the right tech partner.
Global Trust & Recognition
Goodfirms is trusted by 110,000+ businesses in 160+ countries to connect with reliable tech partners. Our reputation is built on 80,000+ verified reviews and rankings you can trust.
Transparency In Detail
From verified client reviews and portfolio highlights to service focus and pricing, Goodfirms provides a 360-degree view of every company, helping 2+ million monthly users find the perfect tech partner.
Trending insights from Goodfirms
Valuable insights from top experts accelerate decision-making.
Fintech Software Development in 2026: Types, Technologies & How to Build Scalable Solutions
Explore fintech software development in 2026—types, technologies, costs, and strategies to build secure, scalable financial platforms.
Outsourcing Software Development: A Practical Decision Framework for Startups
Get a decision framework for outsourcing software development for your startup, where outsourcing delivers maximum value. Also, a practical approach to decide.
How Much Does Software Development Services in UAE Cost?
Planning to build software in the UAE? Explore real development costs, timelines, salary benchmarks, and proven ways to stay within budget.