Insights

Market Position Position Hallisey & D’Agostino, LLP as a regional, full‑service accounting firm serving small to mid‑sized, closely-held businesses across Connecticut. Target growth-oriented mid-market prospects in construction, manufacturing, real estate, and professional services where comprehensive tax, advisory, and compliance support can unlock efficiency and profitability.

Growth Opportunity Leverage their $10M–$25M revenue range to tailor value propositions around scalable accounting, tax optimization, and advisory services for growing firms nearing the next size threshold. Offer solutions that accompany firms through expansion, acquisition, and workflow automation to sustain profitability.

Tech Enablement Highlight opportunities to modernize client operations through cloud‑based accounting, data analytics, and secure tax planning workflows, aligning with the firm’s existing tech stack and enabling more agile service delivery to clients in CT and surrounding areas.

Industry Focus Capitalize on industry footprints such as construction, manufacturing, and real estate by proposing industry‑specific compliance packages, cost accounting improvements, project profitability analyses, and real estate tax incentives to attract new clients seeking specialized expertise.

Brand Expansion Support Bold Ambition initiatives by aligning prospects with thought leadership, advisory capabilities, and public awareness campaigns that emphasize the firm’s commitment to research, best practices, and client outcomes, generating inbound interest from growth‑minded, high‑potential firms.

Hallisey & D'Agostino, LLP Tech Stack

Hallisey & D'Agostino, LLP uses 8 technology products and services including Cloudflare, WordPress, Twemoji, and more. Explore Hallisey & D'Agostino, LLP's tech stack below.

  • Cloudflare
    Content Management System
  • WordPress
    Content Management System
  • Twemoji
    Font Scripts
  • Modernizr
    Javascript Libraries
  • Lodash
    Javascript Libraries
  • Select2
    Javascript Libraries
  • PHP
    Programming Languages
  • Apache HTTP Server
    Web Servers

Hallisey & D'Agostino, LLP's Email Address Formats

Hallisey & D'Agostino, LLP uses at least 1 format(s):
Hallisey & D'Agostino, LLP Email FormatsExamplePercentage
FLast@hdllpcpa.comJDoe@hdllpcpa.com
76%
Last@hdllpcpa.comDoe@hdllpcpa.com
16%
First@hdllpcpa.comJohn@hdllpcpa.com
8%

Frequently Asked Questions

What is Hallisey & D'Agostino, LLP's phone number?

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You can contact Hallisey & D'Agostino, LLP'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 Hallisey & D'Agostino, LLP's official website and social media links?

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Hallisey & D'Agostino, LLP's official website is hdllpcpa.com and has social profiles on LinkedIn.

How much revenue does Hallisey & D'Agostino, LLP generate?

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As of August 2026, Hallisey & D'Agostino, LLP's annual revenue is estimated to be $10M - $25M.

What is Hallisey & D'Agostino, LLP's SIC code NAICS code?

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Hallisey & D'Agostino, LLP'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 Hallisey & D'Agostino, LLP have currently?

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As of August 2026, Hallisey & D'Agostino, LLP has approximately 18 employees across 1 continents, including North America. Key team members include Partner: L. H.Office Manager: R. J.Staff Accountant: A. P.. Explore Hallisey & D'Agostino, LLP's employee directory with LeadIQ.

What industry does Hallisey & D'Agostino, LLP belong to?

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Hallisey & D'Agostino, LLP operates in the Accounting industry.

What technology does Hallisey & D'Agostino, LLP use?

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Hallisey & D'Agostino, LLP's tech stack includes CloudflareWordPressTwemojiModernizrLodashSelect2PHPApache HTTP Server.

What is Hallisey & D'Agostino, LLP's email format?

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Hallisey & D'Agostino, LLP's email format typically follows the pattern of FLast@hdllpcpa.com. Find more Hallisey & D'Agostino, LLP email formats with LeadIQ.

When was Hallisey & D'Agostino, LLP founded?

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Hallisey & D'Agostino, LLP was founded in 1972.
Hallisey & D'Agostino, LLP logo

Hallisey & D'Agostino, LLP

AccountingConnecticut, United States11-50 Employees

Hallisey & D’Agostino, LLP is a full-service public accounting firm based in Wethersfield, Connecticut, serving individuals and small to mid-size closely-held businesses across Connecticut and nearby areas. The firm offers a broad range of accounting, tax, and advisory services to clients in industries such as construction, manufacturing, real estate, and professional and consumer services, among others. Founded in 1972, it has established itself within the regional accounting landscape as a provider focused on a diverse client mix and long-standing service in the local market. In January 2017, the firm announced a public initiative to share research and best practices under the Bold Ambition banner, reflecting a company effort to contribute to broader professional understanding and collaboration in the field.

Section iconCompany Overview

Phone number
SIC Code
8721 - Accounting, Auditing, and Bookkeeping Services
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1972
Employees
11-50

Section iconFunding & Financials

  • $10M - $25M

    Hallisey & D'Agostino, LLP's revenue is estimated to be in the range of $10M - $25M

Section iconFunding & Financials

  • $10M - $25M

    Hallisey & D'Agostino, LLP's revenue is estimated to be in the range of $10M - $25M

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