Top 100 Staff Augmentation Services in California

The Best of January 2026

Looking 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.

Jump to Most Reviewed Companies

List of the Best California Staff Augmentation Firms

331

Accelerance

(33 Reviews) 5.0

Timeliness
4.9

Service Excellence
5.0

Value
4.8

Would Recommend
5.0

$100,000+

10 - 49 employees

Redwood City, CA

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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Clients

Acrowire

Industries

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