PEO Authority

G&A Partners

IRS CPEO CertifiedRegional PEO
Houston, TX·Founded 1995·10-500 employees
No reviews yet·
10
States Served
6
Services
4
Industries
10-500
Employees

About G&A Partners

G&A Partners is a Houston, Texas-based Professional Employer Organization founded in 1995 by Antonio Grijalva and John Allen. Celebrating its 30th anniversary in 2025, G&A has grown into one of the largest privately held PEOs in the United States with 700 employees across 30+ offices, serving more than 5,000 clients and 120,000 worksite employees nationwide. The company is IRS CPEO certified and backed by private equity investors TPG and The Riverside Company. In January 2026, G&A acquired Ethan Allen HR Services, a New York-based CPEO firm, expanding its Northeast footprint. G&A offers a proprietary WorkSight technology platform alongside payroll, benefits, HR compliance, recruiting, risk management, and outsourced accounting. The company charges a transparent per-employee-per-month fee with itemized invoices.

IRS Certification

IRS Certified PEO (CPEO)
Certification active · Verified by PEO Authority
Certified ✓

The IRS Certified PEO (CPEO) designation is awarded by the Internal Revenue Service to PEO companies that meet rigorous standards for financial health, tax compliance, and operational integrity. G&A Partners holds CPEO status — a distinction held by fewer than 15% of PEOs in the United States.

Federal Tax Liability
As a CPEO, G&A Partners assumes sole liability for federal employment taxes on wages paid — protecting your business from tax exposure.
Annual Financial Audits
CPEOs undergo independent CPA audits annually and must maintain a surety bond, ensuring fiscal accountability and solvency.
IRS Reporting
G&A Partners files employment taxes under their own EIN as CPEO, simplifying your year-end tax obligations and eliminating duplicate filings.

Why businesses choose G&A Partners

✓Founded 1995 — 30 years in business with 5,000+ clients and 120,000 worksite employees
✓IRS CPEO certified — backed by private equity investors TPG and The Riverside Company
✓Transparent per-employee-per-month pricing with itemized invoices
✓Proprietary WorkSight HCM platform for payroll, benefits, HR, and analytics
✓30+ offices nationwide with deep Texas roots and growing Northeast presence
✓Acquired Ethan Allen HR Services in January 2026 — expanding into New York
✓Outsourced accounting services available alongside standard PEO offering

Company Details

Headquarters
Houston, TX
Founded
1995
Employees Served
10-500
CPEO Certified
Yes - IRS Verified
Coverage
10 states
Company Type
Regional PEO

G&A Partners in Your State

Browse PEO options and compare providers in each state where G&A Partners operates.

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Pros & Cons

+
Pros
✓
30-year track record
Founded 1995, 5,000+ clients, 120,000 worksite employees — proven at scale.
✓
Transparent pricing
Per-employee-per-month with itemized invoices — rare clarity in the PEO industry.
✓
IRS CPEO certified
Maximum federal tax protections for co-employment clients.
✓
WorkSight platform
Proprietary HCM technology with payroll, benefits, time management, and analytics.
✓
Texas depth
Headquartered in Houston with 30 years of Texas employment law expertise.
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Cons
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Premium for full suite
Outsourced accounting and recruiting add-ons increase costs for smaller businesses.
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Growing nationally
Northeast presence is newer — depth outside Texas and the Sun Belt is still developing.
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No published rates
While invoices are itemized, you still need a quote to know your starting rate.
PEO Authority Editorial Note

G&A Partners is one of the most well-rounded mid-market PEOs in the country — big enough to offer enterprise-level benefits and technology, still privately owned with a client-first culture. The transparent pricing model is a genuine differentiator. Best for: small and mid-sized businesses (5-500 employees) in Texas and nationally that want a full-service PEO with deep HR expertise and transparent billing.

Frequently Asked Questions

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