Top 100 Staff Augmentation Services in the United States

The Best of April 2026

Looking for a top staff augmentation service in the United States?

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 United States. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.

Jump to Most Reviewed Companies

List of the Best United States Staff Augmentation Firms

Featured provider

Innowise

(72 Reviews) 4.9

Timeliness

4.8

Service Excellence

4.8

Value

4.8

Would Recommend

4.9

$10,000+

1,000 - 9,999 employees

Warszawa, Poland

Founded in 2007, Innowise is a custom software development firm. They are based in Warszawa, Poland; Francavilla al Mare, Italy; Zwolle, Netherlands and Zwolle, Netherlands and have a large team. Their services include Custom Software Development, cloud consulting & SI, IT staff augmentation, Web Development, and more.

Industries

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2461

SAPPHIRE SOFTWARE SOLUTIONS

(321 Reviews) 4.9

Timeliness
4.9

Service Excellence
4.9

Value
4.9

Would Recommend
4.9

$10,000+

250 - 999 employees

Coral Springs, FL

SAPPHIRE SOFTWARE SOLUTIONS, an application development firm, was founded in 2002. Their midsize team is in Coral Springs, Florida; Glendalough, Australia; Calgary, Canada and Coral Springs, Florida and offers Mobile App Development, Artificial Intelligence, Search Engine Optimization, Custom Software Development, and more.

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Clients

American Express L'Oréal MG Motors Almarai

Industries

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