Top 100 IT Services Companies in California
The Best of April 2026Looking for a top IT services company in California?
For your company to grow, it is essential to choose the best technology. Hiring an innovative IT services provider is the easiest way to ensure that you are making the best use of technology, increasing sales, and staying one step ahead of the competition.
To assist you in your search for a partner, we’ve compiled this list of the top IT consultants in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
Jump to Most Reviewed Companies
List of the Best California IT Companies
-
1801Undisclosed10 - 49 employeesFresno, CAMertech Data Systems, Inc. Is a small custom software development firm based in Pembroke Pines, Florida and Fresno, California. The team offers Custom Software Development and cloud consulting & SI.Read More
Industries
-
1802Undisclosed10 - 49 employeesLos Altos, CAPractical SQA, an Application Testing company, is located in Los Altos, California. Their services include Application Testing and Mobile & App Marketing.Read More
-
1803Undisclosed10 - 49 employeesWoodland, CAVarkasa Inc is an Application Testing company based in Woodland, California. Their services include Application Testing and IT strategy consulting.Read More
-
1804Undisclosed10 - 49 employeesSan Diego, CAAdvantu is an Application Testing company. Their small team of employees is based in San Diego, California. Their team offers Application Testing and Custom Software Development.Read More
Industries
-
1805Undisclosed10 - 49 employeesSan Ramon, CARobotics Process Automation company Autocene was launched in 2010. Headquartered in San Ramon, California, the team focuses on Robotics Process Automation and IT strategy consulting.Read More
Industries
-
1806Undisclosed10 - 49 employeesCosta Mesa, CACrème Collective is a Costa Mesa, California-based branding company. They provide Branding and CRM consulting and SI and were established in 2013.Read More
-
1807Undisclosed10 - 49 employeesMilpitas, CACrosslynx US LLC, a custom software development firm, is located in Milpitas, California. They offer Custom Software Development and Application Testing.Read More
-
1808Undisclosed10 - 49 employeesPleasanton, CAHeadquartered in Pleasanton, California and Vadodara, India, Exaqode is a small UX design agency. The team focuses on UX/UI Design and IT strategy consulting.Read More
-
1809Undisclosed10 - 49 employeesMenlo Park, CADiffbot is an artificial intelligence firm. Their small team is in Menlo Park, California. Their services include Artificial Intelligence and BI & big data consulting & SI.Read More
-
1810Undisclosed10 - 49 employeesSan Jose, CALaunchable, Inc is a data analytics company. Located in San Jose, California, the team specializes in BI & big data consulting & SI and Custom Software Development.Read More
Industries
-
1811Undisclosed10 - 49 employeesNewport Beach, CAInsellerate is a Sales Outsourcing company. The agency is headquartered in Newport Beach, California. Their services include Sales Outsourcing and Pay Per Click.Read More
-
1812Undisclosed10 - 49 employeesLos Angeles, CAAloola.io is a PPC agency. Established in 2019, the agency is located in Los Angeles, California. Their team focuses on Pay Per Click and Search Engine Optimization.Read More
Industries
-
1813Undisclosed10 - 49 employeesSan Francisco, CAPostHog, Inc. Is a Market Research company. Based in San Francisco, California, their team focuses on Market Research and BI & big data consulting & SI.Read More
-
1814Undisclosed10 - 49 employeesLos Angeles, CAIKonnek is a big data company. They provide BI & big data consulting & SI and Corporate Training & Coaching and were founded in 2003.Read More
-
1815Undisclosed10 - 49 employeesLos Angeles, CAHC Development is a Marketing Strategy company. The Los Angeles, California-based agency was launched in 2004. Their team provides Marketing Strategy and Email Marketing.Read More
-
1816Undisclosed10 - 49 employeesValencia, CAFounded in 1988, ITAD Services is a pay per click company. The company provides Pay Per Click and IT managed services.Read More
Industries
-
1817Undisclosed10 - 49 employeesLos Angeles, CAAutomatedView Technologies is a Los Angeles, California-based Digital Strategy company. Their services include Digital Strategy and BI & big data consulting & SI.Read More
-
1818Undisclosed10 - 49 employeesArcadia, CAEcomPlus is a small branding agency. They focus on Branding and Pay Per Click and were established in 2017.Read More
-
1819Undisclosed10 - 49 employeesSan Francisco, CA729 Solutions is a branding company. Based in San Francisco, California, the firm was established in 2003. Their services include Branding and IT managed services.Read More
-
1820Undisclosed10 - 49 employeesLos Angeles, CADeRisk Technologies is an IT strategy consulting company. They were founded in 2020, and their services include IT strategy consulting and BI & big data consulting & SI.Read More
Industries
-
1821Undisclosed50 - 249 employeesSouth San Francisco, CAAB-Soft is a cloud consulting & SI company founded in 2011. The team specializes in cloud consulting & SI and BI & big data consulting & SI and is based in South San Francisco, California.Read More
Industries
-
1822Undisclosed10 - 49 employeesBurbank, CALaunched in 2014, ConvergentDS LLC is a small Cybersecurity company. Their services include Cybersecurity and IT strategy consulting.Read More
-
1823$10,000+2 - 9 employeesLong Beach, CACoremaitri Software, a small software development firm, is located in Long Beach, California and New Delhi, India. Their services include Custom Software Development and ERP consulting and SI.Read More
-
1824$10,000+2 - 9 employeesDublin, CASutraSarthi Strategic Solution LLP is a Business Consulting company. The team provides Business Consulting and Marketing Strategy, and the agency is based in Ahmedabad, India and Dublin, California.Read More
Industries
-
1825Undisclosed50 - 249 employeesLos Angeles, CASecureData is an IT managed services company. The Minneapolis, Minnesota-based company focuses on IT managed services.Read More
Industries
-
1826$1,000+10 - 49 employeesSan Mateo, CABinstellar Technologies Pvt. Ltd., a mobile application development company, was established in 2021. The firm specializes in Mobile App Development, Custom Software Development, ERP consulting and SI, Web Development, and more and has a small team. The firm is based in Ahmedabad, India and San Mateo, California.Read More
Clients
Test RoutesIndustries
-
1827$1,000+10 - 49 employeesFremont, CAFounded in 2015, OneGreenDiary is a small ERP consulting and SI company. Their team focuses on ERP consulting and SI and Web Development.Read More
-
1828$50,000+1,000 - 9,999 employeesIrvine, CAIn Irvine, California; Roseville, California; Boise, Idaho and Denver, Colorado, Synoptek, LLC. Is an IT managed services company. The large team specializes in IT managed services, Enterprise App Modernization, cloud consulting & SI, and IT strategy consulting and was established in 2001.Read More
Clients
Champion Home ExteriorsIndustries
-
1829$10,000+10 - 49 employeesSan Francisco, CAZaltech AI is an IT managed services company. The team focuses on IT managed services and Custom Software Development and is based in San Francisco, California and Dubai, United Arab Emirates.Read More
-
1830$5,000+2 - 9 employeesCalabasas, CAColddata is an IT strategy consulting company founded in 2000. The team offers IT strategy consulting and Custom Software Development.Read More
Featured provider
Get connected with a company for free
Tell us about your project, and we'll match you with vetted companies that meet your requirements.
Get connected with the right company for you
We'll do the work for you – finding and connecting you with service providers that meet your exact requirements.
Schedule ConsultationMost Reviewed IT Services Company in California
Check out an IT Services Company in California with the most new reviews in the past 12 months.
Most Reviewed
IT Services Company
California
- 11 6 new reviews
- 12 6 new reviews
- 13 6 new reviews
- 14 6 new reviews
- 15 5 new reviews
