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Business Service Company

GMS Company

Professional employer organisation handling payroll, benefits, HR and workplace safety for US businesses

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About GMS Company

Payroll, benefits, human resources and workplace safety for businesses across the United States are handled by GMS Company, a professional employer organization. The firm describes itself as certified, and reports working with small and midsize employers since 1996. It says it works with thousands of companies and pairs its proprietary HRIS platform with a dedicated account manager.

Payroll, tax filing and the certified PEO role

As a professional employer organization, GMS takes on much of the administrative load of employment. Its payroll service is delivered online and includes payroll tax management and payroll processing, which the firm says reduces errors and keeps filings compliant. The firm presents its certified PEO status as the basis for taking on that work.

Benefits from group health to retirement plans

The benefits range covers group health coverage, supplemental insurance plans and telemedicine, with specific programs for diabetic management and metabolic wellness. The firm also administers 401(k) plans and profit-sharing arrangements, and it manages benefits for members and their providers. It says these packages help clients compete for good staff while easing the administrative burden on the business.

HR administration, recruiting and training

The HR work covers hiring and training help, performance management, HR audit, learning management and unemployment claims. The firm presents its HR function as dedicated, so that business owners can focus on running the company rather than on HR administration.

Workplace safety and workers compensation

The risk management services cover workers compensation management, workplace injury reporting with nurse triage, workplace safety programs, noise monitoring and fleet management. The firm says these services help a team stay protected and keep the business compliant with its obligations.

One portal and app for the whole workforce

Employees reach their records through a self-service portal and mobile app, which the firm calls GMS Connect. The portal is where employees find their year-end W-2 forms, and the firm says the same app lets them reach their own records.

Proprietary HR technology with account support

The firm's human resources information system is a software platform that collects and reports all employee data in one central hub. The firm says this saves time, money and resources, and that it works alongside a dedicated account manager for each client. Offices across the country give clients local support backed by national resources, and the firm publishes guides on PEOs, HR outsourcing and small business health insurance.

TrustList summary

GMS Company is a professional employer organisation (PEO) that takes on HR administration for businesses across the United States. It has served small and midsize businesses since 1996 and pairs its own HR technology with dedicated account support.

Products and services

  • Payroll: online payroll services, payroll tax management and certified PEO payroll processing.
  • Benefits: group health coverage, benefits administration, 401(k) plans and supplemental insurance.
  • Human resources: recruiting and training support, performance management, HR audits and learning management.
  • Risk management: workplace safety programmes, workers' compensation management and injury reporting with nurse triage.
  • HR technology: a human resources information system that holds employee data in one central place.

Who it serves

The firm serves small, medium and large companies throughout the United States, with local offices across the country.

Key facts

  • Offices: across the United States
  • Serving clients since: 1996
  • Accreditation: certified professional employer organisation (CPEO)

Summary written by TrustList from the business's own published information, Oct 2026.

Categories & features

Rankings

GMS Company is ranked on 1 TrustList ranking at #37.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. GMS Company has no reviews yet and 3 of the 10 profile details we look for. Where no listing on a page has been reviewed, the order follows the profiles alone.

Business service company · 1 ranking

As of 2026-11-05. Organic ranks only; sponsored placements are never ranks. How TrustList ranks

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