ADP LLC Headquarters Address, Corporate Office Location, and Contact Details

About

ADP, LLC is a wholly owned subsidiary of Automatic Data Processing, Inc. (NASDAQ: ADP), both headquartered at 1 ADP Boulevard, Roseland, New Jersey 07068 — a 51-acre campus built in 1983 in Essex County, NJ. Founded in 1949 by Henry Taub in Paterson, NJ, ADP pioneered outsourced payroll and today processes $3.3 trillion in payroll annually for 1.1 million clients across 140+ countries, employing 67,000 people worldwide.

For fiscal year 2025 (year ended June 30, 2025), ADP reported total revenue of $20.6 billion (up 7% YoY), adjusted diluted EPS of $10.01 (up 9%), and client revenue retention of 92.1%. President and CEO is Maria Black (since January 2023); CFO is Peter Hadley; COO is Joe DeSilva.

Quick Facts

Legal Entity

ADP, LLC (subsidiary of Automatic Data Processing, Inc.)

Ticker: NASDAQ

ADP

HQ

1 ADP Boulevard, Roseland, NJ 07068

HQ Phone

1-800-225-5237

Founded

1949, Paterson, New Jersey

President & CEO

Maria Black (since January 2023)

FY2025 Revenue

$20.6 billion (up 7% YoY, year ended June 30, 2025)

Clients

1.1 million+ across 140+ countries

Payroll Processed

$3.3 trillion annually

Employees

67,000 worldwide

Dividend Growth

50 consecutive years of dividend increases

Credit Ratings

AA (S&P and Fitch)

What Brings You Here? Find the Right Contact

Employer / business client — payroll, HR, tax filing

Call 1-800-225-5237 (24/7). Always get a case/ticket number at the start of every call. BBB records and consumer complaints confirm that payroll errors, incorrect tax filings (W-2, 941), and billing disputes are the most common employer client issues — all require formal case documentation.

Employee — W-2, pay stub, direct deposit

Visit w2.adp.com for W-2 issues, or call 1-800-225-5237 and ask for the W-2 employee services team. For pay and direct deposit issues, contact your employer’s HR/payroll administrator first — ADP cannot make employee-level changes without employer authorization. For MyADP portal access, call 1-844-227-5237.

Tax filing error / incorrect W-2 or 1099

Call 1-800-225-5237 and request the Tax Filing team specifically — do not accept general tier-1 support. ADP’s failure to correct inaccurate tax documents is the top complaint category on the BBB Roseland, NJ record as of March 2026. Document every contact with timestamps, case numbers, and rep names.

Investor relations

Matthew Keating, CFA — (973) 974-3037 | Matthew.Keating@adp.com | investors.adp.com. 

Legal / subpoena

Serve at 1 ADP Boulevard, Roseland, NJ 07068. ADP, LLC is a Delaware LLC — confirm registered agent via corp.delaware.gov.

Phone Directory

Business Client Support (24/7)

1-800-225-5237

Employee Self-Service / MyADP

1-844-227-5237

ADP TotalSource (PEO)

1-800-411-7682

Roseland HQ

1-800-225-5237

Investor Relations

(973) 974-3037

Contact Portal

adp.com/contact-us/company-information.aspx

Office Locations

adp.com/about-adp/office-locations.aspx

Corporate Headquarters Address

ADP, LLC / Automatic Data Processing, Inc.

1 ADP Boulevard
Roseland, NJ 07068
Phone: 1-800-225-5237

Key New Jersey Offices

Roseland (HQ)

1 ADP Boulevard

Mount Laurel

305 Fellowship Road

Parsippany

99 Jefferson Road

Wall

2421 Atlantic Avenue

How to Escalate a Complaint

1. Call 1-800-225-5237 and get a case number on the first call — without one, every follow-up resets. For tax filing errors and billing disputes, ask to log a formal case and get the reference number before ending the call.
2. Request your dedicated Account Manager — they have more authority to resolve billing and tax corrections than tier-1 agents. If you don’t know yours, ask to be transferred.
3. Send a certified letter to Roseland HQ. Automatic Data Processing, Inc. / ADP, LLC, Attn: Client Relations, 1 ADP Boulevard, Roseland, NJ 07068 — include client/company code, all case numbers, and specific resolution requested.
4. File with the BBB under the Roseland, NJ chapter — top complaint patterns include incorrect W-2/941 filings and ignored follow-up emails after cases are opened.
5. File with the New Jersey Division of Consumer Affairs at njconsumeraffairs.gov or 1-800-242-5846.
6. File with your state AG for payroll service disputes, unauthorized charges, and deceptive practices.
7. File with the IRS for tax filing errors — Form 4598 for incorrect W-2/1099, and contact the IRS Taxpayer Advocate Service at 1-877-777-4778.
8. File with the FTC at reportfraud.ftc.gov for systematic billing fraud and deceptive service contract terms.
9. Dispute ACH debit errors with your bank — most banks allow up to 60 days for ACH dispute filings. For credit card charges, dispute under FCBA.
10. Consult a business attorney for payroll errors resulting in tax penalties, IRS notices, or employee wage disputes — ADP service agreements contain limitation-of-liability clauses attorneys can address.