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About Us

Abacus Group is an executive recruitment firm based in New York City, specializing in the permanent and temporary placement of Accounting & Finance, Administrative Support, Human Resources, Marketing, and Information Technology professionals.

14 Penn, New York

A History of Trust

Abacus Group LLC was founded in December 1997 by Brian Bereck and Len Frankel. Initially, Abacus Group focused on recruiting direct-hire Accounting, Finance, Audit, and Tax professionals. Our company immediately saw success, standing out from our competitors because our team was comprised of recruiters who previously worked in Accounting or Finance, many with their CPAs or MBAs. This trait garnered the trust of candidates who were excited to partner with recruiters who knew their field, as well as the confidence of clients who were relieved to find recruiters who knew exactly what they were looking for. Additionally, our team built one-on-one relationships with every client, developing the foundation for partnerships that have stood through our firm’s 25-year tenure.

Success + Growth

After strong initial success, Abacus Staffing LLC was formed in 2004 as the firm expanded to temporary and temp-to-perm Accounting and Finance staffing. Then in 2012, we launched our Administrative Support, Human Resources, and Marketing division and Information Technology division. Both divisions have grown to encompass direct hire, temporary and temp-to-perm staffing. Abacus Group’s reach now spans across the country, as we opened an office in Southern California in 2017. While we have grown, we have stayed true to our core practices by continuing to hire recruiters with backgrounds in the industries they now recruit for and developing trusted one-on-one partnerships with each client, many of which have been maintained for over two decades.

25 Years of Commitment

In our 25 years of business, Abacus Group has remained agile: quickly adapting to new hiring trends and changing markets. We recruit top talent through our website, digital job boards, email campaigns, social media campaigns, in-person events, and referrals while continuing to sit down with every candidate to ensure we know the full scope of their qualifications and interests. Our commitment to our founding principles while staying at the forefront of recruiting trends to ensure the best in business experience for our clients and candidates has been recognized repeatedly within the industry.


Our diligent and personal approach has been honored by Clearly Rated’s “Best of Staffing” awards for exceptional service for the past nine years as well as Forbes’ “America’s Best Recruiting Firms” awards for the past five years.



Meet Our Leadership Team

Learn about and connect with the Abacus Group leadership team.

Careers at Abacus

Interested in a career in recruiting? Learn more about working with us!

Contact Us

Any questions? Feel free to contact us about your career search or staffing needs.