Insights

Niche not-for-profit Small accounting firm serving a broad mix of industries including not-for-profit, financial services, distribution, manufacturing, and retail presents cross-selling opportunities to clients seeking specialized audit, tax, budgeting, and forecasting services.

Growth via outsourced services Offer expansion of outsourced internal audit and transactional consulting to current clients and prospects looking to scale controls, governance, and efficiency without large internal teams.

Tech engagement Leverage GoDaddy-centric web presence to drive digital outreach and showcase client case studies, pricing, and service depth to attract mid-market prospects needing reliable accounting and advisory support.

Revenue scale fit With revenue in the mid-market range and a lean team, position as a cost-effective, high-touch alternative to larger firms for small- to midsize organizations seeking personalized attention and flexibility.

Emerging markets fit Target service-intensive industries like not-for-profit, financial services, and transportation where specialized attest and consulting offerings can differentiate and capture share from larger firms.

Similar companies to J.M. O'Brien & Co.

J.M. O'Brien & Co. Tech Stack

J.M. O'Brien & Co. uses 1 technology products and services including GoDaddy, and more. Explore J.M. O'Brien & Co.'s tech stack below.

  • GoDaddy
    Web Hosting

J.M. O'Brien & Co.'s Email Address Formats

J.M. O'Brien & Co. uses at least 2 email formats:
J.M. O'Brien & Co. Email FormatsExamplePercentage
FLast@jmobrien.comJDoe@jmobrien.com
79%
Last@jmobrien.comDoe@jmobrien.com
21%

Frequently Asked Questions

What is J.M. O'Brien & Co.'s phone number?

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You can contact J.M. O'Brien & Co.'s main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is J.M. O'Brien & Co.'s official website and social media links?

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J.M. O'Brien & Co.'s official website is jmobrien.com and has social profiles on LinkedIn.

How much revenue does J.M. O'Brien & Co. generate?

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As of September 2026, J.M. O'Brien & Co.'s annual revenue is estimated to be $10M - $25M.

What is J.M. O'Brien & Co.'s SIC code and NAICS code?

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J.M. O'Brien & Co.'s SIC code is 8721 - Accounting, Auditing, and Bookkeeping Services and NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does J.M. O'Brien & Co. have currently?

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As of September 2026, J.M. O'Brien & Co. has approximately 9 employees across 2 continents, including North America and Asia. Key team members include Audit Specialist: M. C. Explore J.M. O'Brien & Co.'s employee directory with LeadIQ.

What industry does J.M. O'Brien & Co. belong to?

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J.M. O'Brien & Co. operates in the Accounting industry.

What technology does J.M. O'Brien & Co. use?

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J.M. O'Brien & Co.'s tech stack includes GoDaddy.

What is J.M. O'Brien & Co.'s email format?

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J.M. O'Brien & Co.'s email format typically follows the pattern of FLast@jmobrien.com. Find more J.M. O'Brien & Co. email formats with LeadIQ.

When was J.M. O'Brien & Co. founded?

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J.M. O'Brien & Co. was founded in 1991.
J.M. O'Brien & Co. logo

J.M. O'Brien & Co.

AccountingMassachusetts, United States2-10 Employees

J.M. O’Brien & Co. is a small accounting firm based in Springfield, Massachusetts, established in 1991 by John M. O’Brien. The firm serves a diverse client base, delivering auditing and accounting services plus tax support to about 700 clients across sectors such as not-for-profit organizations, financial services, manufacturing, distribution, retail, service, and transportation. In addition to core audit and tax work, the firm offers nontraditional services including litigation support, budgeting and forecasting, outsourced internal audit, and specialized transactional consulting. The practice positions itself in the accounting industry as a provider of both routine financial services and value-added advisory support to a broad range of entities. The company operates from its Springfield location with a lean professional footprint, emphasizing a suite of services tailored to organizations needing comprehensive financial oversight and strategic assistance.

Section iconCompany Overview

Phone number
SIC Code
8721 - Accounting, Auditing, and Bookkeeping Services
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1991
Employees
2-10

Section iconFunding & Financials

  • $10M - $25M

    J.M. O'Brien & Co.'s revenue is estimated to be in the range of $10M - $25M

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