About TriNet

TriNet provides peo services to small and midsize businesses so they can free themselves from the complexities of HR

TriNet (NYSE: TNET) provides small and medium size businesses (SMBs) with full-service HR solutions tailored by industry. To free SMBs from HR complexities, TriNet offers access to human capital expertise, benefits, risk mitigation and compliance, payroll and real-time technology. From Main Street to Wall Street, TriNet empowers SMBs to focus on what matters most—growing their business. TriNet, incredible starts here.


Our mission is to power business success with extraordinary HR.


Our vision is to improve humanity through business growth and innovation.

ESAC Accreditation

Employer Services Assurance Corporation validates the solid financial performance of PEOs such as TriNet, monitoring them for adherence to important financial, ethical and operational standards. TriNet has been accredited to comply with ESAC standards continuously since 1995. View TriNet's ESAC Accreditation

Employer Services Assurance Corporation

Certified Professional Employer Organization

The Internal Revenue Service (IRS) designated a TriNet subsidiary as a Certified Professional Employer Organization (CPEO). Read more here.



TriNet introduces TriNet Professional Services designed to solve HR challenges unique to consulting, advertising and other professional services firms.


TriNet launches Trinet Main Street, designed to meet the requirements of hundreds of thousands of local and owner-operated businesses in the U.S.

TriNet introduces its next generation technology solution at SHRM Annual Conference & Exposition.

TriNet is named one of the 100 Fastest-Growing Companies For 2017 by Fortune Magazine.

For the fourth consecutive year, the TriNet sales organization is ranked in Selling Power Magazine’s “Top 50 Companies to Sell For.”


TriNet launches TriNet Financial Services, allowing financial services firms to deliver a premier employee experience and manage a complex set of employment-related risks and regulations.

TriNet launches TriNet Technology, helping technology companies rapidly scale with a cloud-based system that streamlines benefits enrollment, onboarding and visa management with a mobile-first design.

TriNet expands presence in Austin, Texas, and opens new office.

TriNet introduces TriNet International Services. Through the acquisition of Teleborder, the service expands visa management and other HR services for companies who hire international employees.

For the third consecutive year, the TriNet sales organization is ranked in Selling Power magazine’s “Top 50 Companies to Sell For.”


TriNet is named one of the Bay Area’s Best and Brightest Companies to Work For® by the National Association for Business Resources (NABR).

TriNet launches TriNet Nonprofit, a new solution that helps manage compliance, in addition to providing enterprise-grade benefits and cloud capabilities. This lets entrepreneurs and nonprofit managers focus on their mission.

The TriNet sales organization is ranked in Selling Power Magazine’s “Top 50 Companies to Sell For” for the second consecutive year.

TriNet launches TriNet Life Sciences, an HR solution that better positions biotech and life sciences SMBs to compete with large pharmaceutical organizations and research universities for top talent.


TriNet (NYSE:TNET) becomes a public company.


TriNet celebrates its 25th anniversary.

TriNet acquires Ambrose, a New York City-based PEO focused on delivering high-touch HR services to emerging financial services firms, with a primary concentration on hedge funds and private equity firms.


TriNet acquires North Carolina-based SOI, becoming the nation's largest independent PEO.

TriNet acquires AccordHR, a leader in the PEO industry with a significant presence in the Northeast, Arizona, Florida, Nevada and Oklahoma.

TriNet acquires ExpenseCloud, a provider of industry-leading SaaS expense management solutions.


TriNet is recognized as a fast-growth company by Inc. Magazine for the fourth straight year.


TriNet pays off its acquisition debt early, less than 15 months after securing the funds to acquire Gevity.


TriNet acquires Florida-based Gevity HR, Inc. to become the industry’s second largest PEO.


TriNet celebrates its 20th anniversary.

TriNet acquires Denver-based LMC Resources, Inc. and strategically expands its presence in the growing Colorado market.

TriNet announces its second CEO in 20 years. Burton M. Goldfield joins the company to take its growth to the next level.


TriNet acquires John Parry & Alexander (JPA), an HR outsourcing and consulting services company based in Walnut Creek, California, and adds over 20 new customers.


TriNet acquires the Outsource Group based in Walnut Creek, California, and brings aboard 200 new customers.


TriNet secures an equity investment from General Atlantic, LLC, one of the world's leading private equity investment firms with over $15 billion under management.


TriNet completes its acquisition of the E3 Group in Texas and continues to expand its business operations.

TriNet acquires the West Coast assets of ALTRES, a Hawaii-based PEO, and transitions over 60 new customers to its service platform


TriNet moves to its new, larger corporate office location in San Leandro as a result of its rapid employee growth.

TriNet acquires the assets of Boston-based outsourcer HR Logic and adds 62 new customers


TriNet launches its secure online HR portal for self-directed manager and employee HR and payroll-related transactions.


TriNet joins the Inc. 500 Hall of Fame, an honor bestowed by the magazine for five consecutive years of rapid growth as a privately held company.


TriNet signs its first Canadian-based customer.


TriNet included in Inc. Magazine's list of fastest-growing privately held U.S.-based companies.

TriNet conducts its first online benefits enrollment.

TriNet receives its accreditation from ESAC, the nationally recognized entity that sets financial responsibility and certification standards for HR service firms. TriNet has been re-certified every year since 1995.


TriNet founded by Martin Babinec in San Leandro, California, with "friends and family" money.