LAST UPDATED September 01, 2025

Top Staff Augmentation Firms in United States

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  • Over The Top SEO

    Seattle - United States

    Over The Top SEO also known as O.T.T is an international Full-Service Digital Marketing Company that specializes in Search Engine Optimization (SEO), Online Reputation Management (ORM), Lead Generation, Unique & Advanced Marketing Techniques and far

  • ESpworkforce

    Albany - United States

    ESP Workforce offers dedicated virtual staffing solutions to help businesses scale efficiently. With over 20 years of experience, they provide skilled professionals for roles in web development, digital marketing, customer support, and more. Optimize

  • Futurism AI offers innovative artificial intelligence solutions that transform businesses across industries. We specialize in AI-driven automation, data analytics, natural language processing, and predictive modeling to help organizations improve eff

  • Acadia Technologies - One of the Leading IT & Tech Staffing Company USA | Staff Augmentation & Technology Recruitment Services

  • Accel DNA, proudly based in New York City, is a specialist agency in Data, Analytics, and Digital Transformation. Our expertise lies in Data & Analytics, Artificial Intelligence, Generative AI (GenAI), and Machine Learning.

  • Secure Jordan

    - United States

    At Secure Jordan, we understand that security is not just a service—it’s a vital need that ensures peace of mind for individuals, businesses, and communities. With years of experience in the security industry, our dedicated team offers comprehens

  • Operating out of Miami since May 2024, Firebird Recruiting & Staffing Agency Inc. specializes in connecting skilled professionals with employers, offering a range of services including executive search, RPO, payroll, and HR consulting, led by Pierre

  • Offshore Talent Board

    Houston - United States

    Filipino professionals you can trust and afford.

  • einnosys

    Fremont - United States

    Einnosys specializes in cutting-edge solutions for semiconductor manufacturing, offering automation, SECS/GEM expertise, and innovative tools to optimize fab efficiency and yield.

  • nFUZION

    Louisville - United States

    nFuzion Health excels at providing Healthcare, IT, and Manufacturing talent for your organization. Our tailored approach to each industry ensures a precise understanding of your business needs, leading to the identification and placement of the most

33 Firms
  • Staff Augmentation Firms in United States

    If you need more people to help solve your tech problems, you’re in the right place. At SEMFirms, we have made a special list of the best Staff Augmentation Firms companies that help teams grow by adding skilled workers. These companies know how to find talented experts who can join your team quickly and work on your projects. They do the hard work of searching for programmers, designers, or project managers so you don’t have to. We picked them by checking how well they work, how many happy customers they have, and how long they’ve been helping teams like yours. We also looked at their prices, so you get great value for your budget. Finally, we read real reviews from real clients to make sure each company delivers on its promises. By doing all that homework, we’ve made it easy for you to focus on your business instead of hunting for the right people. Now, let’s talk about why these picks really shine. Our team looks at how fast these companies respond when you ask for new staff and how well they match your project needs. We check if they offer friendly support- like easy chats, clear guides, and quick answers- so you never feel stuck. We also verify if they have upfront pricing, so there are no surprise bills later on. Security matters to us, too: we confirm they follow best practices to keep your project data safe while hiring. We only include firms that have helped grow lots of teams and have earned a strong reputation online. When you choose a provider from our list, you get peace of mind knowing experts will handle hiring. At SEMFirms, our goal is to connect you with the best Staff Augmentation Firms service without any fuss or confusion.