Top 100 Staff Augmentation Services in California
The Best of July 2026Looking for a top staff augmentation service in California?
Maintaining all of your business processes and services requires an incredible amount of patience and diligence, and sometimes you need external expertise to do so.
To assist you in your search for a partner, we’ve compiled this list of the top IT staff augmentation companies in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best California Staff Augmentation Firms
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331$25,000+250 - 999 employeesNewark, CAArgusoft is a software development firm. They offer Custom Software Development, Mobile App Development, Web Development, Enterprise App Modernization, and more and were established in 2001. Their midsize team is based in Newark, California and Gandhinagar, India.Read More
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World Health Organization (WHO)Industries
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332$5,000+10,000+ employeesIrvine, CARead More
Randstad Technologies is an IT staff augmentation firm based in Irvine, Calif. Founded in 1960, their team of over 10,000 serves clients in the IT, finance, and healthcare sectors. Services include IT strategy consulting and IT managed services.
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333$10,000+250 - 999 employeesPalo Alto, CAAVROX Solutions, a custom software development firm, was founded in 2015. Their midsize team is based in Oaklands Park, Australia; Rawalpindi, Pakistan and Palo Alto, California. The agency focuses on custom software development, web development, web design, ux/ui design, and more.Read More
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334$1,000+10 - 49 employeesSanta Clara, CAAI Agents company ZAAG SYSTEMS is located in Dhaka, Bangladesh and Santa Clara, California. The small team specializes in AI Agents, Artificial Intelligence, E-Commerce Development, Mobile App Development, and more and was launched in 2020.Read More
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335$1,000+1,000 - 9,999 employeesSan Diego, CABased in Ahmedabad, India; San Diego, California and Surry Hills, Australia, Uplers is an IT staff augmentation and Staffing company. The large team provides IT staff augmentation and Staffing. The company was launched in 2021.Read More
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Amazon Gitlab Twilio AirBnBIndustries
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336$10,000+50 - 249 employeesIrvine, CACodup is a custom software development company in Houston, Texas; Dubai, United Arab Emirates and Irvine, California. The firm provides Custom Software Development, E-Commerce Development, Enterprise App Modernization, Mobile App Development, and more and has a midsize team.The firm was established in 2012.Read More
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UnileverIndustries
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337$10,000+2 - 9 employeesLos Angeles, CAComputer Help LA, a cloud consulting & SI company, is based in Los Angeles, California. Their services include cloud consulting & SI and IT managed services.Read More
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338$10,000+50 - 249 employeesMission Viejo, CARead More
Founded in 2013, AccelOne is an artificial intelligence firm. They are headquartered in Kirkland, Washington; Buenos Aires, Argentina and Mission Viejo, California and have a midsize team. The firm offers Artificial Intelligence, Generative AI, IT managed services, IT staff augmentation, and more.
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XapoIndustries
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339$5,000+50 - 249 employeesSan Francisco, CAFounded in 2015, Digis, a Fiverr company (NYSE: FVRR) is a custom software development company. The midsize team specializes in Custom Software Development, Web Development, and IT staff augmentation. The firm is based in London, England; New York, New York; București, Romania and L'viv, Ukraine.Read More
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Blablacar Hubspot PwC HumaIndustries
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340Undisclosed50 - 249 employeesSan Diego, CABilligence is a Chatswood, Australia-based business intelligence company. Their services include BI & big data consulting & SI and cloud consulting & SI.Read More
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341Undisclosed2 - 9 employeesLos Angeles, CALaunched in 2021, One River Consulting Inc, a small software development company, is headquartered in Los Angeles, California. Their team offers Custom Software Development and Web Development.Read More
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342$1,000+250 - 999 employeesGlendale, CATechMatter is a midsize IT managed services company. Based in Glendale, California; Pittsburgh, Pennsylvania; Harrow, England and Dubai, United Arab Emirates, the agency was founded in 2017. Their team provides IT managed services, IT staff augmentation, Custom Software Development, Mobile App Development, and more.Read More
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343$25,000+50 - 249 employeesSan Francisco, CACloud Interactive is a software development company. The Taipei, Taiwan-based company focuses on Custom Software Development and AI Consulting.Read More
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344Undisclosed10 - 49 employeesRiverside, CAConstantMD Inc. Is a social media marketing agency. Established in 2010, their team provides Social Media Marketing and Search Engine Optimization.Read More
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345Undisclosed10 - 49 employeesLong Beach, CAEnsymbios, Inc. Is an IT strategy consulting company. The team offers IT strategy consulting and CRM consulting and SI and is based in Long Beach, California.Read More
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346Undisclosed2 - 9 employeesLos Angeles, CAPACIFIC Civil Solutions is an Architectural Design company. Their small team is in Los Angeles, California. Their team provides Architectural Design and Commercial Development.Read More
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347$10,000+50 - 249 employeesUnion City, CACloudpacer Inc, a custom software development company, specializes in Custom Software Development and Web Development. The company is in Union City, California and Lahore, Pakistan.Read More
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348$5,000+50 - 249 employeesNewport Beach, CARead More
Dirox, a mobile app development company, was founded in 2003. They are located in Ho Chi Minh City, Vietnam; Shibuya City, Japan; Hong Kong, Hong Kong and Paris, France and have a midsize team. Dirox focuses on mobile app development, custom software development, web development, digital strategy, and more.
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LogChainIndustries
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349$100,000+10 - 49 employeesRedwood City, CARead More
Accelerance is a software development firm. Founded in 2001, the small agency is located in Redwood City, California; Charlotte, North Carolina; Buenos Aires, Argentina and Monterrey, Mexico. Their team specializes in Custom Software Development, Mobile App Development, Artificial Intelligence, Generative AI, and more.
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AcrowireIndustries
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350$10,000+1,000 - 9,999 employeesSanta Clara, CAMosChip is a custom software development firm. They are in Hyderabad, India and Bengaluru, India, and their services include Custom Software Development and Other Application Development.Read More
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351$100,000+50 - 249 employeesSan Jose, CAIntagleo Systems is a midsize Slough, United Kingdom-based custom software development firm. Founded in 2004, the team focuses on custom software development, IT staff augmentation, mobile app development, web development, and more.Read More
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352$5,000+250 - 999 employeesSacramento, CARead More
Infograins Software Solutions is a midsize Blockchain company launched in 2011. Their team offers Blockchain, Artificial Intelligence, Custom Software Development, Mobile App Development, and more. The firm is headquartered in New York, New York; Indore, India; London, England and Barangaroo, Australia.
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353$25,000+250 - 999 employeesMountain View, CAPRIJBS is a midsize IT staff augmentation company. They provide IT staff augmentation and IT strategy consulting and were established in 1997.Read More
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354Undisclosed10 - 49 employeesLos Angeles, CAAccunity Website Design is an UX design agency. Their team is in Addison, Texas and Los Angeles, California. The firm offers UX/UI Design and Custom Software Development.Read More
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355$5,000+250 - 999 employeesSan Jose, CALuvina Software JSC is a cloud consulting & SI company headquartered in Hanoi, Cau Giay, Vietnam and Danang, Vietnam. They focus on cloud consulting & SI and CRM consulting and SI.Read More
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SIIndustries
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356Undisclosed50 - 249 employeesEscondido, CAPrakat Solutions, a data analytics company, was established in 2009. The agency offers BI & big data consulting & SI and cloud consulting & SI.Read More
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357$10,000+1,000 - 9,999 employeesSouth San Francisco, CAIntelassist is an Accounting company. The company is based in Quezon City, Philippines and South San Francisco, California. Their team specializes in Accounting and Call Center Services.Read More
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