Top 100 IT Services Companies in California
The Best of September 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.
List of the Best California IT Companies
-
211Undisclosed1,000 - 9,999 employeesSan Diego, CARead More
Established in 2012, fusepoint is a Marketing Strategy company. They are in San Diego, California and have a large team. Their services include Marketing Strategy, Media Planning & Buying, Digital Strategy, BI & big data consulting & SI, and more.
Industries
-
212$25,000+2 - 9 employeesFairfield, CARead More
Ideas Factory US is a custom software development company established in 2014. Based in Fairfield, California, their small team focuses on custom software development, enterprise app modernization, IT strategy consulting, cloud consulting & SI, and more.
Industries
-
213$50,000+250 - 999 employeesLaguna Beach, CAMidsize software development company Datamam, is headquartered in Laguna Beach, California. Founded in 2006, the team focuses on Custom Software Development, Market Research, BI & big data consulting & SI, and Artificial Intelligence.Read More
Industries
-
214$1,000+50 - 249 employeesSan Mateo, CARead More
PEARL ORGANISATION is a midsize custom software development company headquartered in Dehradun, India. Launched in 2011, the team provides custom software development, e-commerce development, web design, application testing, and more.
Industries
-
215Undisclosed50 - 249 employeesSanta Monica, CARead More
Nextware Technologies is a development agency based in Santa Monica, Calif., with another office in Valencia, Spain. Since 2006, the agency and its team of fewer than 10 have provided expertise in web, custom software, and mobile app development, web design, UX/UI design, and IT managed services.
Clients
LandorIndustries
-
216$5,000+10 - 49 employeesSacramento, CARead More
Konnectryx is a small Sacramento, California-based software development firm. They offer custom software development, CRM consulting and SI, e-commerce development, and cloud consulting & SI and were launched in 2012.
Industries
-
217$5,000+2 - 9 employeesIrvine, CARead More
UNIFAGE, an unified communications consulting & SI company, was established in 2018. Their small team is based in Irvine, California and specializes in unified communications consulting & SI, CRM consulting and SI, web design, video production, and more.
-
218$10,000+50 - 249 employeesMountain View, CARead More
Sysvine Technologies is a software engineering service provider founded in 2000. Based in Chennai, India, the team of 100+ specializes in custom software development, cloud consulting & SI, and ERP consulting & SI.
Clients
Peloton Blockchain -
219$10,000+250 - 999 employeesMilpitas, CARead More
Founded in 2014, Teksun Inc. is a product engineering services company. Their team of around 25 employees is based in San Jose, Calif., with an additional office in Ahmedabad, India. They focus on IoT development, product design, and cloud consulting.
Clients
QEPRIndustries
-
220$5,000+10 - 49 employeesSan Diego, CAVideo production agency NANOBOT Group is in San Diego, California and Tallinn, Estonia. The small team provides Video Production, Digital Strategy, Email Marketing, Search Engine Optimization, and more and was established in 2010.Read More
Industries
-
221Undisclosed10 - 49 employeesCarlsbad, CABased in Carlsbad, California, InterKnowlogy is an AI firm. The small team provides Artificial Intelligence, AI Consulting, AI Agents, Generative AI, and more. The company was launched in 1999.Read More
Industries
-
222$5,000+10 - 49 employeesLos Angeles, CASmartistack is a small Computer Engineering company. Headquartered in Los Angeles, California, the agency was launched in 2016. Their services include Computer Engineering, IT strategy consulting, IT managed services, and IT staff augmentation.Read More
-
223$1,000+10 - 49 employeesSan Francisco, CALaunched in 1998, Help4Access (Microsoft Access Technical Support) is an IT managed services company. The small San Francisco, California-based team offers IT managed services, unified communications consulting & SI, custom software development, and IT staff augmentation.Read More
Industries
-
224$1,000+10 - 49 employeesLaguna Hills, CATop Pick Designs is a Laguna Hills, California-based. The agency offers and is small.The agency was established in 2023.Read More
Industries
-
225$1,000+50 - 249 employeesLos Angeles, CALaunched in 2013, Differenz Force is a CRM consulting and SI company. Their services include CRM consulting and SI.Read More
Industries
-
226Undisclosed250 - 999 employeesSan Ramon, CARead More
Five9 is a cloud-based call center software provider. Their team of about 1,000 employees is based in San Ramon, Calif. Services include CRM, ERP, and IT consulting, as well as voice services. They were founded in 2001.
Clients
DebtCleanseIndustries
-
227$25,000+10 - 49 employeesSan Diego, CARead More
NoMoBo is a San Diego-based software company founded in 2017 with more than 10 members. They specialize in custom software, web, and mobile app development services for small and mid-market firms in industries such as real estate, IT, and utilities.
Clients
HOA MessengerIndustries
-
228$1,000+10 - 49 employeesSan Ramon, CAHeadquartered in San Ramon, California and Newark, California, Clare Computer Solutions is a small IT managed services company. The team focuses on IT managed services and Cybersecurity.Read More
Industries
-
229Undisclosed10 - 49 employeesLos Angeles, CARead More
Eachbase is a digital agency that operates out of California. Their main services span branding, SEO, and web development.
Clients
Nino's Pizza AECO Starfish Polo TMSIndustries
-
230$5,000+50 - 249 employeesSan Francisco, CAEstablished in 2009, TechnoBrains Business Solutions LLP is a midsize artificial intelligence firm headquartered in Ahmedabad, India and San Francisco, California. Their services include Artificial Intelligence, Custom Software Development, Web Development, Mobile App Development, and more.Read More
Industries
-
231$1,000+50 - 249 employeesFremont, CARead More
4 Way Technologies is an application development company. They offer mobile app development and were founded in 2012. Their midsize team is in Noida, India and Fremont, California.
Industries
-
232$5,000+2 - 9 employeesSanta Monica, CAPike x Digital is a web design company. Their small team is based in Santa Monica, California. The firm provides Web Design, Email Marketing, Search Engine Optimization, Marketing Strategy, and more.Read More
Clients
FUSE Media Elios Restaurant Colville Hall Wedding Venue Blake Hall Wedding VenueIndustries
-
233$5,000+10 - 49 employeesLaguna Beach, CACRM consulting and SI company Giant Rabbit LLC was launched in 2006. The firm focuses on CRM consulting and SI, Web Development, Web Design, UX/UI Design, and more and has a small team.Read More
Industries
-
234$5,000+10 - 49 employeesSan Diego, CACreative Resources Technology Group is an IT managed services company established in 1996. The team specializes in IT managed services and Cybersecurity.Read More
Industries
-
235$10,000+50 - 249 employeesDublin, CAConvergeHub, Inc., a CRM consulting and SI company, is in Dublin, California. Founded in 2016, the team provides CRM consulting and SI and Business Consulting.Read More
Industries
-
236Undisclosed50 - 249 employeesIrvine, CAXCentium is an Irvine, California-based website development company. The firm specializes in Web Development, E-Commerce Development, UX/UI Design, BI & big data consulting & SI, and more and is midsize.The firm was established in 2011.Read More
Industries
-
237$50,000+10 - 49 employeesLos Angeles, CARead More
The Development Factory is a software development firm based in Los Angeles, with a branch office in Toronto. Founded in 2009. With a team of 10, The Development Factory specializes in custom software development, mobile development, product design and more.
Clients
Givsum - Empowering every person to be a force for goodIndustries
-
238Undisclosed50 - 249 employeesCupertino, CATechnology Mindz, a midsize CRM consulting and SI company, is in Cupertino, California and Jaipur, India. Their services include CRM consulting and SI and IT managed services.Read More
Industries
-
239$250,000+50 - 249 employeesAliso Viejo, CAEstablished in 2017, CyberProof, a midsize IT strategy consulting company, is located in Aliso Viejo, California. Their services include IT strategy consulting and cloud consulting & SI.Read More
Industries
-
240$1,000+10 - 49 employeesSan Francisco, CAKindrix Group is a small cloud consulting & SI company. The San Francisco, California-based agency was launched in 2025. Their services include cloud consulting & SI, Cybersecurity, Artificial Intelligence, Digital Engineering, and more.Read More
Industries
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.
IT Services Company
California
- 11 7 new reviews
- 12 7 new reviews
- 13 6 new reviews
- 14 6 new reviews
- 15 6 new reviews
