Top IT Services Companies in California
Goodfirms has reviewed 818 IT Services Companies in California as of November 2026. The top-ranked firm is Instinctools (4.9 stars, 27 verified reviews, $25 - $49/hr, founded 2000, San Francisco). Across the category, the median hourly rate is $25, median client rating is 4.9, and 33% of firms employ 50+ members. Explore the vetted IT Services Companies in California below, compare their strengths, and connect with the provider best suited to your requirements.
Are you looking to seek consultation from the best IT services companies in California? Professional IT services lend you a fresh perspective and help you analyze your existing setup. Innovative solutions from IT service providers will act as a catalyst to bring about positive changes in your current setup and help you strengthen the security of your data. With cost-effective, customized solutions, you can realize more productivity in your structure. Here is a list of the top IT firms in California rated on quality, reliability, and ability.
Goodfirms has verified 818 IT Services Companies in California - part of 18,244+ IT Services Companies, each passing Goodfirms' 4-step verification process (background check, client interviews, portfolio audit, ongoing quality review). Listings marked "Sponsored" are agencies that pay for premium placement - sponsorship does not affect star ratings or review content.
Top 10 at Glance
Compare the highest-ranked firms first side by side.
List of IT Services Companies in California | Top IT Firms in California
At Artemis, we offer a talent delivery methodology, that actually delivers. We go above and beyond the checkboxes, references and resumes. By harnessing our unique delivery methodology, we can produce higher quality talent at a much quick and more efficient speed, offering your organization better results in a timely manner for the following talent verticals: ... read Artemis reviews & insights
NA10 - 492009Irvine, United StatesTechforce Solutions was born out of necessity. We found over the years that consulting had become one sided in terms of profit. Consultants were looking for billable hours and not how to deliver value to clients. Business should be centered around relationships and adding value. We take a different approach that is completely focused on ... read Techforce Solutions reviews & insights
NA2 - 92015Glendora, United StatesWe are a company specializing in medical billing and coding, collection of accounts as well as providing payment processing for your medical practice. At Columbus healthcare, we are dedicatedly committed to helping you, our client, and we strictly follow (HIPAA) Health Insurance Portability and Accountability Act. Our team understands how important is patient health Information ... read Columbus Healthcare services LLC reviews & insights
< $25/hr10 - 492017Los Angeles, United StatesWe started EZ Digital with a simple belief that technology is pivotal for fostering business expansion and rapid scalability. Our expertise spans various products, platforms, and cutting-edge technologies, supported by a team of seasoned professionals—developers, designers, project managers, business development experts, and customer success advocates—we are committed to setting new standards in customer service and ... read EZ Digital reviews & insights
$25 - $49/hr2 - 9Los Angeles, United StatesBytesFarms Technologies, a leading Software Development Company, offers 20+ years of expertise. We optimize operations, enhance customer engagement, and drive growth with Software Development, Salesforce, Web/Mobile application development, Cloud & DevOps consulting, and Blockchain solutions. With a wealth of industry experience, our expert team understands clients' business challenges. We collaborate closely to craft tailored solutions ... read BytesFarms Technologies reviews & insights
$25 - $49/hr10 - 492021San Diego, United StatesA digital marketing agency helps businesses grow online by leveraging strategies like SEO, social media marketing, pay-per-click advertising, content marketing, and email campaigns. These agencies create tailored marketing plans to boost brand visibility, drive targeted traffic, and increase conversions, ensuring a strong online presence and measurable business success. ... read Digital Marketing Agency California reviews & insights
NA2 - 92010Fallbrook, United StatesIntuitionLabs is a premier Silicon Valley technology firm that builds custom AI and enterprise software for the pharmaceutical industry. Founded in 2023 by engineering expert Adrien Laurent, we help life sciences companies use modern Generative AI while meeting strict global rules. Every project we deliver follows critical standards like FDA 21 CFR Part 11, EMA ... read IntuitionLabs reviews & insights
< $25/hr10 - 492023San Jose, United StatesWhy IntuitionLabs?
- Deep Veeva & life sciences expertise
- AI solutions built for regulated pharma
- Scalable delivery from strategy to support
We operate from our German headoffice and also local branches in over 45 countries, with the experience to deliver services to you in the most challenging territories. DeRisk Technologies offers your business; - Digital IT Solutions from SAP, Microsoft, Blockchain - 24 x 7 x 365 support services - Data Analytics and A.I. solutions - ... read DeRisk Technologies reviews & insights
$150 - $199/hr1,000 - 9,9992020Los Angeles, United StatesSAN Data Branch offices in Singapore, Malaysia, Hong Kong and India, and development centers in the USA and India With 32-year IT experience and a strong team of full-stack software engineers and consultants, we help our clients to achieve unsurpassed quality at all stages of the cloud infrastructure design and implementation as well web, mobile, ... read SAN Data Systems reviews & insights
$25 - $49/hr50 - 2491993Los Angeles, United StatesCosmosBoard is the partner of choice for many of the world’s leading enterprises, SMEs and technology challengers. We help businesses elevate their value and increase their work efficiency through custom software development, product design, QA and consultancy services. We can help to maintain and modernize your IT infrastructure, solve various infrastructure-specific issues a business may ... read Cosmos Board reviews & insights
< $25/hr10 - 492020San Diego, United StatesOur founder had the same problem you do: drowning in bad hires. Most VAs looked good on paper but disappeared after a few weeks. Then he found one who could replace two full-time employees. She showed up every day, communicated clearly, and solved problems without being told. It changed everything. He realized other business owners ... read Stellar Staff reviews & insights
$50 - $99/hr250 - 9992022Newport Beach, United StatesSogos Consulting is a multidisciplinary consulting firm focused on analyzing, designing, and implementing intelligent systems that enhance business and product performance. We bridge strategy, analytics, and technology, helping organizations optimize operations, improve decision-making, and achieve sustainable growth. Our work is powered by deep analytical insight and intelligent system integration. From uncovering inefficiencies to automating workflows, ... read Sogos Consulting reviews & insights
$100 - $149/hr2 - 92022Los Angeles, United StatesBitGo is a digital asset company that helps people and businesses safely store, manage, and use cryptocurrencies. It provides secure wallets, custody services, and financial tools designed mainly for institutions. With a strong focus on security and trust, BitGo makes it easier for clients to handle crypto transactions and protect their digital wealth in a ... read Bitgo reviews & insights
$100 - $149/hr250 - 9992013Palo Alto, United StatesWhy Bitgo?
- Industry-Leading Security
- Institutional-Grade Infrastructure
- All-in-One Platform
Using AI Tools
Cursor
LangChain
LangGraph
LangSmith
AWS Bedrock Agent Core
- + 8 More
Wizr is an AI-powered services and solutions company that helps organizations turn AI into measurable business outcomes by automating business processes, accelerating product innovation, and transforming software engineering. Our core services include Enterprise AI Services, Data Engineering, AI-Powered Engineering & Legacy Modernization, AI Product Engineering and AI Ops & Governance. With deep enterprise technology expertise ... read Wizr AI reviews & insights
$50 - $99/hr50 - 2492023Pleasanton, United StatesWhy Wizr AI?
- AI native with real outcomes
- Deep knowledge in enterprise systems
- Highly experienced AI experts
Scrut Automation provides third-party risk management services or technology that helps organizations assess, monitor and manage risks from vendors, suppliers and other external partners. Scrut helps you set up a security program that scales with your business and stands up to audits. Without last-minute chaos. Governance, Risk, and Compliance simplified for new-age businesses. Built for ... read Scrut Automation reviews & insights
$50 - $99/hr50 - 2492022Palo Alto, United StatesSensiba provides SOC 2 compliance, readiness, examination, audit, or attestation services to help organizations demonstrate effective security and operational controls. Sensiba’s comprehensive accounting, tax, and consulting services help businesses and people solve problems, navigate complexity, and build a foundation for sustainable growth. A top-100 U.S. firm, we’re passionate about collaborating with clients to increase efficiency, ... read Sensiba reviews & insights
$50 - $99/hr1,000 - 9,9991977San Jose, United StatesYour Data Foundation for Innovation We build resilient data infrastructures the world’s innovators rely on. Together, we power what’s possible and create real-world impact through data. We empower businesses, including the Fortune 100, to innovate and scale through data. From solid data infrastructure, intelligent data management and AI powered hybrid cloud solutions — we’re the ... read Hitachi Vantara reviews & insights
$100 - $149/hr10000+1910Santa Clara, United StatesWhy Hitachi Vantara?
- Enterprise-grade reliability and security
- Decades of trusted global expertise
- Proven cost efficiency and scalable ROI
At Healthcare Logic, we specialize in delivering comprehensive Revenue Cycle Management (RCM) solutions that empower healthcare providers to focus on patient care while maximizing financial performance. ✨ Join the Future of RCM with Healthcare Logic! Our innovative approach combines expertise, technology, and a client-first mindset to redefine revenue cycle processes in the healthcare industry. ✅ ... read Healthcare Logic reviews & insights
$25 - $49/hr10 - 492024Los Angeles, United StatesUsing AI Tools
ChatGPT
Ryz Labs builds AI products for enterprises and their platform companies. We embed forward-deployed AI engineering teams of senior Latin American engineers, working in US time zones, to design, build and ship production AI apps, agents and data products, mostly on Azure and other major clouds. Clients include Univision, Fanatics, Serve Robotics and Vayo Travel. ... read Ryz Labs reviews & insights
$50 - $99/hr250 - 9992021Calabasas, United StatesWhy Ryz Labs?
- Senior LatAm AI engineers
- US time zone alignment
- Production AI teams in weeks
Proactive SEO Solutions is a digital marketing agency serving Los Angeles, Orange County, and clients around the nation, providing lead generating SEO, revenue-minded PPC, dynamic web design, and an overall plan-of-attack to elevate your business' online presence. ... read Proactive SEO Solutions reviews & insights
NA2 - 92013Long Beach, United StatesHCLSoftware is a global leader in software innovation, dedicated to powering the Digital+ Economy. We develop, market, sell, and support transformative solutions across business and industry, intelligent operations, total experience, data and analytics, and cybersecurity. Built on a rich heritage of pioneering spirit and unwavering commitment to customer success, we deliver best-in-class software products that ... read HCLSoftware reviews & insights
NA1,000 - 9,9992019Sunnyvale, United StatesContact Aventi Group for speed, performance, and expertise when strategic product marketing must drive growth. Aventi Group is the first product marketing agency solely dedicated to world-class Go-to-Market execution for high-tech clients.We have an extensive team of marketing professionals - giving you fast access to an on-demand, scalable team with broad domain expertise. Our product ... read Aventi Group reviews & insights
$50 - $99/hr50 - 2492008San Francisco, United StatesWe're Tokency. A crypto-native digital agency focused on bringing awareness and raising funds for your project. We strive to become the leading crypto digital agency in the industry. You grow, we grow. Let's grow together. One mission: make your project the talk of crypto town. Whether it's through social media, influencers, or paid ads, we've ... read Tokency reviews & insights
$50 - $99/hr2 - 92017Los Angeles, United StatesAravo delivers the market’s smartest supplier, vendor, and third-party risk and resilience solutions, powered by intelligent automation. For more than 20 years now, Aravo’s combination of award-winning technology, premium services, and unrivaled domain expertise has helped the world’s most respected brands accelerate and optimize their third-party management programs, delivering better business outcomes faster and ensuring ... read Aravo reviews & insights
$50 - $99/hr10 - 492000San Francisco, United StatesWe are a Palo-Alto-based premium software development service provider with delivery centers across Eastern Europe. We focus on developing top-notch: mobile and web applications Uber for X and on-demand apps Magento and Hybris based eCommerce solutions UI/UX website and app design GET A FREE QUOTE FOR YOUR PROJECT OR IDEA We believe there’s much more ... read Provectus reviews & insights
$50 - $99/hr250 - 9992010Palo Alto, United StatesUsing AI Tools
ChatGPT
Aspire Systems is a AI led platform driven global technology and services company. It has offices in North America, Europe and APAC. The company provides services in AI Transformation, Data Analytics & Intelligence, Software Engineering, Quality Engineering / Software Testing, Enterprise Solutions(Oracle, Salesforce, Temenos), and Cloud & RunOps Services to ISVs and enterprises.The company serves ... read Aspire Systems reviews & insights
NA1,000 - 9,9991996San Jose, United StatesWhy Aspire Systems?
- Deep Industry Expertise
- AI-Driven Engineering
- End-to-End IT Services Capabilities
Trantor Inc. provide innovative Fintech and Martech solutions to enhance customer experience and help clients achieve their business goals. We also have eight Centers of Excellence providing customized solutions in web, mobile, cloud, business intelligence, data and testing. We are a dual-shore service provider, specialized in internalizing our clients’ business processes and their business objectives. ... read Trantor Inc. reviews & insights
$25 - $49/hr250 - 9992012Menlo Park, United StatesInformation Process Solutions (IPS), is a US-based technology solutions provider and a multifaceted company which develops software, web applications, Android/IOS apps and customized enterprise applications (both cloud-based & on-premise). IPS provides customer-focused digital marketing solutions for different industries and businesses. It means giving out-of-box solutions that help enterprises rank better and improve conversions. IPS has ... read Information Process Solutions reviews & insights
$50 - $99/hr250 - 9992017Ontario, United StatesHeadquartered in San Jose, CA, USA Global footprint with offices in USA, Australia, and India ADVANZ101 Business Systems Inc. is a top-tier technology solution and consulting partner for businesses seeking CRM Development services, Big Data Analytics Services and Onsite Consulting & Staff augmentation services, CPQ and CLM services, and Mobile and Web App Development. With ... read Advanz101 Business Systems Inc. reviews & insights
NA50 - 2492007San Jose, United StatesFor more than a decade, Themis Web Technologies Inc. has worked side by side with various leading and emerging compagnies. Our mission is to assist these companies in gaining the technological development necessary to succeed in today’s highly competitive market. From Web Software deployment, custom Database Management tools or Application development, we are consistently looking ... read Themis Web Technologies, Inc. reviews & insights
NAFreelancer2007Los Angeles, United StateseZoom is your one stop shop to help you develop your idea, design and develop your App as well as publish and market your app so that it can be noticed in a crowded world of Mobile Apps. Our years of digital marketing experience makes us a unique partner that can put you on fast ... read eZoom reviews & insights
$100 - $149/hr2 - 92008San Jose, United StatesXebrium Inc Xebrium, with the principal business office in San Jose CA, along with its wholly owned product development subsidiary Xebrium Software Pvt. Ltd., with an office in Pune, India, have developed a strong expertise in designing, developing and deploying enterprise based application and products. ... read Xebrium Inc reviews & insights
NA50 - 249San Jose, United StatesWe are a creative and innovative website design, branding and development agency in Fresno, Ca that combines a distinct understanding of marketing strategies, with an expertise in project delivery and communication. We specialize in custom mobile application development, website design, website development, e-commerce, web-based applications, social networks, and online marketing. ... read Vortal reviews & insights
NA2 - 92010Fresno, United StatesCoding Pixel is a leading software, mobile and apps development enterprise based in the United States, serving clients globally. Our exceptional team of 150+ developers, designers and engineers has digitally transformed countless businesses and have served distinguished clients in the social networking, e-commerce blockchain, insurance, health, fitness, online dating sectors. Some of our milestones include ... read Coding Pixel reviews & insights
$100 - $149/hr50 - 2492016Santa Rosa, United StatesAffordable web design agency and brand development solutions for every niche and need! Semiqolon Solutions is driven by the idea that every business deserves a beautifully executed, ultrafunctional digital presence for their brand. That’s why we combine creativity and connectivity to ensure a seamless experience for your audience on any platform or output. ... read Semiqolon reviews & insights
$25 - $49/hr2 - 92018Roseville, United StatesKonsus is the fastest online outsourcing solution with 12hr delivery. 3000+ corporate clients. Currently hiring engineers. We provide on-demand outsourcing for corporate teams. Companies can submit a task and start a project in 30 minutes with a pre-vetted freelancer and dedicated project manager. ... read Konsus reviews & insights
$25 - $49/hr50 - 2492015Palo Alto, United StatesA full-cycle global software development company focusing on an approach to business transformation that puts people first. We work with clients at any scale and any platform. ... read Sibedge reviews & insights
$25 - $49/hr50 - 2492007Cupertino, United StatesAs a new age services company, we harness the power of AI, automation, analytics and digital technologies to help our clients address specific customer engagement needs. We act as a catalyst for growth by enabling enterprises transform from traditional models to new age service models and help them identify new revenue streams. ... read CSS Corp reviews & insights
$25 - $49/hr1,000 - 9,9991996Milpitas, United StatesGlobalLogic is a trusted software development company that is delivering complex solutions worldwide since 2000. It provides all-around services from consulting and prototyping to software maintenance and enhancement. backed by a strong track-record of Innovation, Credilble Investment in Digital Solution and assertion of Commitment to client's Success. ... read GlobalLogic reviews & insights
NA10000+2000San Jose, United StatesLos Angeles web design & marketing boutique DK Interactive Design specializes in web design and internet marketing including complete solutions for web design, SEO, graphic design and branding. We also offer landing pages, website maintenance, revamping of your existing web site, advertising, corporate identity packages, photo retouching, email marketing, social media marketing and IT consulting. ... read DK Interactive Design reviews & insights
NA2 - 91997Los Angeles, United StatesCreatix9 is a digital creative agency in the USA that offers innovative branding services worldwide to increase customer awareness. We empower creativity to take your mission and vision forward for an ever-lasting change. We have partnered with hundreds of companies locally and internationally to provide a unique point of differentiation and optimize marketing performance to ... read Creatix9 reviews & insights
NA50 - 2492014San Jose, United StatesIBA Group is one of the largest IT service providers in Eastern Europe performing onshore, near–shore and offshore projects with 2,500 professionals. Headquartered in Prague, Czech Republic, IBA Group has offices in the United States, Great Britain, Germany, Cyprus, South Africa, Ukraine, and software development centers in the Czech Republic, Slovakia, Bulgaria, and Kazakhstan. ... read IBA Group reviews & insights
$50 - $99/hr1,000 - 9,9991993Campbell, United StatesUsing AI Tools
Claude
ChatGPT
GitHub Copilot
Perplexity
NEKLO is an international custom software development partner. Since 2008, we’ve specialized in building and scaling digital products for high-stakes industries, including Healthcare, Fintech, Marketing, Energy, and Construction. With a bench of 200+ engineers and 300+ successful deliveries, we don’t just write code; we architect solutions that solve specific business bottlenecks. NEKLO bridges the gap ... read NEKLO LLC reviews & insights
$100 - $149/hr50 - 2492008Novato, United StatesWhy NEKLO LLC?
- Senior engineers, fast team ramp-up
- AI & complex systems, not just dev
- Built & scaled real SaaS products
Brass Ring Consulting Group is a full-service consulting firm founded by seasoned professionals and entrepreneurs.? We've been running our own business operations and making our clients successful for over 25 years. Our experience gives us the ability work with your business "holistically." ... read Brass Ring Consulting Group reviews & insights
NA10 - 491994Los Angeles, United StatesOUR MISSION To become a Global Leader in providing a unique blend of business and technology consulting services to solve business challenges. To identify and craft cutting edge technology solutions by industry. To be recognized for its innovation and forwarding thinking initiatives. To be true to our values and ethics. ... read Tescra Inc reviews & insights
NA250 - 9992002San Ramon, United StatesSince 2008 Terralogic is rendering futuristic technology services for the forward-looking connected world. Our target centric DNA ensures ahead of the time engineering expertise in accordance with client roadmap and business needs. We carry long lasting partnership by fulfilling customer expectations and at the same time keeping business efficiency sound! As we hold a personalized ... read Terralogic reviews & insights
$25 - $49/hr250 - 9992009San Jose, United StatesWizeline is a global product development company that helps its clients solve their biggest challenges with design and technology. Wizeline helps technology leaders build innovative end-to-end products that capture new markets, disrupt business models, and leverage data. Over 10M people use Wizeline-designed and developed products every day. With Silicon Valley DNA and exceptional global talent, ... read Wizeline reviews & insights
$150 - $199/hr250 - 9992014San Francisco, United StatesAzumo: Top Nearshore Software Development Company for AI, Data, Mobile and Web Since 2016, Azumo has helped hundreds of organizations build high-quality software solutions through our proven nearshore development model. Our clients consistently recognize our ability to solve challenges, deliver on tasks, and move projects forward efficiently. Today, the average length of our client partnerships ... read Azumo reviews & insights
$50 - $99/hr50 - 2492016San Francisco, United States
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