Insights

Growth leadership Recent leadership appointments, including a new Accounting & Auditing Director and a Vice President and Shareholder, indicate active firm expansion and leadership development—opportunities to discuss advisory services, integration support, and growth planning for high-potential clients.

Service expansion The firm’s breadth of services (accounting, tax, estate planning, and business advisory) suggests cross-selling potential with clients seeking comprehensive financial leadership, especially privately-held companies in the Greater Boston area.

Digital readiness Utilization of modern tech stack and online presence implies potential to introduce digital transformation services, enhanced data analytics, and secure cloud-based workflow solutions to improve efficiency for mid-market clients.

Market positioning Being recognized by Forbes as one of America’s Best Tax and Accounting Firms enhances credibility with prospects; leverage this recognition in targeting privately-held businesses seeking trusted CPA partnerships and succession planning.

Growth stage clientele Revenue scale and employee range place GT Reilly & Company in a sweet spot for mid-market firms needing growth advisory, tax planning, and risk management services, presenting opportunities for retainer-based advisory engagements.

GT Reilly & Company Tech Stack

GT Reilly & Company uses 8 technology products and services including CCH Axcess, Quantcast Measure, cdnjs, and more. Explore GT Reilly & Company's tech stack below.

  • CCH Axcess
    Accounting
  • Quantcast Measure
    Analytics
  • cdnjs
    Content Delivery Network
  • gstatic.com
    Content Delivery Network
  • MySQL
    Database
  • Priority Hints
    Performance
  • Gravity Forms
    Web Platform Extensions
  • Apache
    Web Servers

Media & News

GT Reilly & Company's Email Address Formats

GT Reilly & Company uses at least 1 format(s):
GT Reilly & Company Email FormatsExamplePercentage
Last@gtreilly.comDoe@gtreilly.com
50%
First@gtreilly.comJohn@gtreilly.com
30%
FirstL@gtreilly.comJohnD@gtreilly.com
13%
F.Last@gtreilly.comJ.Doe@gtreilly.com
7%

Frequently Asked Questions

What is GT Reilly & Company's phone number?

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You can contact GT Reilly & Company'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 GT Reilly & Company's official website and social media links?

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GT Reilly & Company's official website is gtreilly.com and has social profiles on LinkedIn.

What is GT Reilly & Company's SIC code NAICS code?

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GT Reilly & Company's SIC code is 8721 - Accounting, Auditing, and Bookkeeping Services NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does GT Reilly & Company have currently?

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As of July 2026, GT Reilly & Company has approximately 50 employees across 3 continents, including North AmericaAfricaAsia. Key team members include Cpa Controller Accounting And Auditing Manager: C. B.Accounting And Auditing Manager And Firm Controlle: C. B.Accounting Manager: K. M.. Explore GT Reilly & Company's employee directory with LeadIQ.

What industry does GT Reilly & Company belong to?

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GT Reilly & Company operates in the Accounting industry.

What technology does GT Reilly & Company use?

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GT Reilly & Company's tech stack includes CCH AxcessQuantcast Measurecdnjsgstatic.comMySQLPriority HintsGravity FormsApache.

What is GT Reilly & Company's email format?

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GT Reilly & Company's email format typically follows the pattern of Last@gtreilly.com. Find more GT Reilly & Company email formats with LeadIQ.

When was GT Reilly & Company founded?

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GT Reilly & Company was founded in 1955.
GT Reilly & Company logo

GT Reilly & Company

AccountingMassachusetts, United States11-50 Employees

G.T. Reilly & Company is a certified public accounting firm serving the Greater Boston area, delivering accounting and tax services along with estate planning and business advisory support for privately held businesses and their owners. The firm describes knowledge, integrity, and quality service as its core values and aims to provide solutions across a wide range of business needs in today''s changing marketplace. It emphasizes that strong client relationships and a deep understanding of each client''s needs underpin its work.

Based in Milton, Massachusetts, the practice operates as a mid-sized firm focused on serving a local market. Its client base consists of privately owned companies and their owners, for whom it provides accounting, tax, estate planning, and business advisory services. In 2025, G.T. Reilly & Company promoted Sean S. McNeil to Accounting & Auditing Director.

Section iconCompany Overview

Phone number
SIC Code
8721 - Accounting, Auditing, and Bookkeeping Services
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1955
Employees
11-50

Section iconFunding & Financials

  • $25M$50M

    GT Reilly & Company's revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $25M$50M

    GT Reilly & Company's revenue is estimated to be in the range of $25M$50M

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