J.M. O'Brien & Co. Information

View Top Employees from J.M. O'Brien & Co.

J.M. O'Brien & Company, PC was founded in October 1991 by John M. O'Brien. We service approximately 700 clients by providing auditing/accounting and tax services. We provide auditing and accounting services to a wide range of clients in the following industries: * Not-for-profit * Financial service * Distribution * Manufacturing * Retail * Service * Transportation In addition, we provide other nontraditional services such as litigation support, budgeting and forecasting, outsourced internal audit services and specialized transactional consulting.

Website	http://www.jmobrien.com
Revenue	$4 million
Employees	12 (7 on RocketReach)
Founded	1991
Address	1350 Main St Fl 15, Springfield, Massachusetts 01103, US
Phone	+1 413-733-8288
Fax	(413) 733-9433
Technologies	ASP.NET , Network Solutions , Review Board (view technologies)
Industry	Accounting, Accounting & Accounting Services, Audits, Business Services, Compilations, Reviews, Income Tax Consulting, Tax Planning, Tax Return Preparation, Business Consulting, Estate Administration, Estate Settlement Document Review, Retirement Projections & Analysis, Internal Audit, System Analysis
Web Rank	27 Million
Keywords	Auditing, Accounting, Tax Services, Tax Preparation, Financial Services, Audit Services, Accounting Services, Bookkeeping, Tax Planning, Financial Planning, Certified Public Accountant, Cpa, Tax Compliance, Assurance Services, Business Consulting, Financial Reporting, Internal Audit, Fraud Examination, Forensic Accounting, Irs
Competitors	CBRE, JLL Project and Development Services, Cushman & Wakefield, Savills, Colliers, Berkeley Point Capital LLC, Marcus & Millichap, Berkshire Hathaway HomeServices, Sotheby's International Realty +34 more (view full list)
SIC	SIC Code 87 Companies, SIC Code 872 Companies
NAICS	NAICS Code 5412 Companies, NAICS Code 541 Companies, NAICS Code 54 Companies, NAICS Code 54121 Companies

J.M. O'Brien & Co. Questions

What is the annual revenue of J.M. O'Brien & Co.?

The J.M. O'Brien & Co. annual revenue was $4 million in 2026.

Who is the President of J.M. O'Brien & Co.?

Jay O'Brien is the President of J.M. O'Brien & Co..

How many people are employed at J.M. O'Brien & Co.?

7 people are employed at J.M. O'Brien & Co..

Where is J.M. O'Brien & Co. based?

J.M. O'Brien & Co. is based in Springfield, Massachusetts.

What is the NAICS code for J.M. O'Brien & Co.?

The NAICS codes for J.M. O'Brien & Co. are [5412, 541, 54, 54121].

What is the SIC code for J.M. O'Brien & Co.?

The SIC codes for J.M. O'Brien & Co. are [87, 872].

Top J.M. O'Brien & Co. Employees

Jay O'Brien

President at J.M. O'Brien & Co.

Springfield, MA, US
1
- +1 413-527-XXXX
Jay O'Brien

President at J.M. O'Brien & Co.

Springfield, MA, US
1
- gmail.com
5+
- +1 413-733-XXXX
- +1 413-530-XXXX
- +1 413-657-XXXX
- +1 413-527-XXXX
- +1 413-733-XXXX
- +1 413-566-XXXX
Lynn Kelleher

Director, Trusts and Estates at J.M. O'Brien & Co.

Springfield, MA, US
2
- +1 413-527-XXXX
- +1 413-244-XXXX
Ann Rome

Cpa at J.M. O'Brien & Co.

Longmeadow, MA, US
1
- msn.com
5
- +1 413-527-XXXX
- +1 413-626-XXXX
- +1 413-567-XXXX
- +1 413-733-XXXX
- +1 413-626-XXXX
Ann Rome

Accountant at J.M. O'Brien & Co.

Springfield, MA, US
1
- msn.com
5
- +1 413-626-XXXX
- +1 413-527-XXXX
- +1 413-626-XXXX
- +1 413-567-XXXX
- +1 413-733-XXXX