Insights

Growth potential Mid-sized accounting firm on Long Island with revenue in the 10-25M range and a growth-oriented advisory portfolio presents opportunities to upsell advanced financial services, digital transformation, and regional expansion support to scale client profitability.

Tech stack Current tech includes cloud services and analytics tools (AWS, WordPress, Matomo, Piwik PRO Core, Microsoft 365 and Teams). This indicates readiness for security, data analytics, and process automation initiatives, offering cybersecurity, data governance, and cloud optimization solutions.

Service breadth Full suite of services from tax, assurance, corporate finance, forensic accounting, and estates and trusts suggests cross-selling opportunities for advisory products like outsourced CFO, forensic tech adoption, and succession planning to existing clients.

Client value proposition Emphasis on on-time, quality service at fair price with a team-driven approach signals a relationship-focused selling motion suitable for introductory value-led offerings, client education programs, and annual optimization reviews.

Market position Established 1989 with Long Island focus positions GS&Co among regional mid-market firms; potential to differentiate with competitive pricing, specialized industries, and targeted marketing partnerships to capture share from larger national firms.

Similar companies to Giambalvo, Stalzer & Company, CPAs, P.C.

Giambalvo, Stalzer & Company, CPAs, P.C. Tech Stack

Giambalvo, Stalzer & Company, CPAs, P.C. uses 8 technology products and services including Matomo, Amazon Web Services, WordPress, and more. Explore Giambalvo, Stalzer & Company, CPAs, P.C.'s tech stack below.

Giambalvo, Stalzer & Company, CPAs, P.C.'s Email Address Formats

Giambalvo, Stalzer & Company, CPAs, P.C. uses at least 3 email formats:
Giambalvo, Stalzer & Company, CPAs, P.C. Email FormatsExamplePercentage
FirstL@gsco-cpas.comJohnD@gsco-cpas.com
86%
FLast@gsco-cpas.comJDoe@gsco-cpas.com
9%
First@gsco-cpas.comJohn@gsco-cpas.com
5%

Frequently Asked Questions

What is Giambalvo, Stalzer & Company, CPAs, P.C.'s phone number?

Minus sign iconPlus sign icon
You can contact Giambalvo, Stalzer & Company, CPAs, P.C.'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 Giambalvo, Stalzer & Company, CPAs, P.C.'s official website and social media links?

Minus sign iconPlus sign icon
Giambalvo, Stalzer & Company, CPAs, P.C.'s official website is gsco-cpas.com and has social profiles on LinkedIn.

How much revenue does Giambalvo, Stalzer & Company, CPAs, P.C. generate?

Minus sign iconPlus sign icon
As of August 2026, Giambalvo, Stalzer & Company, CPAs, P.C.'s annual revenue is estimated to be $10M - $25M.

What is Giambalvo, Stalzer & Company, CPAs, P.C.'s SIC code and NAICS code?

Minus sign iconPlus sign icon
Giambalvo, Stalzer & Company, CPAs, P.C.'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 Giambalvo, Stalzer & Company, CPAs, P.C. have currently?

Minus sign iconPlus sign icon
As of August 2026, Giambalvo, Stalzer & Company, CPAs, P.C. has approximately 33 employees across 2 continents, including North America and Asia. Key team members include Manager: A. B., Sales Manager: C. M. and Staff Accountant: L. S. Explore Giambalvo, Stalzer & Company, CPAs, P.C.'s employee directory with LeadIQ.

What industry does Giambalvo, Stalzer & Company, CPAs, P.C. belong to?

Minus sign iconPlus sign icon
Giambalvo, Stalzer & Company, CPAs, P.C. operates in the Accounting industry.

What technology does Giambalvo, Stalzer & Company, CPAs, P.C. use?

Minus sign iconPlus sign icon
Giambalvo, Stalzer & Company, CPAs, P.C.'s tech stack includes Matomo, Amazon Web Services, WordPress, Microsoft 365, Microsoft Word, Microsoft Teams, Piwik PRO Core and Caddy.

What is Giambalvo, Stalzer & Company, CPAs, P.C.'s email format?

Minus sign iconPlus sign icon
Giambalvo, Stalzer & Company, CPAs, P.C.'s email format typically follows the pattern of FirstL@gsco-cpas.com. Find more Giambalvo, Stalzer & Company, CPAs, P.C. email formats with LeadIQ.

When was Giambalvo, Stalzer & Company, CPAs, P.C. founded?

Minus sign iconPlus sign icon
Giambalvo, Stalzer & Company, CPAs, P.C. was founded in 1989.
Giambalvo, Stalzer & Company, CPAs, P.C. logo

Giambalvo, Stalzer & Company, CPAs, P.C.

AccountingNew York, United States11-50 Employees

Giambalvo, Stalzer & Company, CPAs, P.C. is a New York-based accounting firm offering a broad range of advisory and professional services. Its work encompasses tax, assurance, corporate finance, forensic accounting, business reorganization, management consulting, and estates and trusts, targeting clients seeking guidance to meet or exceed their goals. Positioned within the accounting industry, the firm emphasizes an integrated team approach and ongoing, state-of-the-art practice to deliver on-time, quality service at a fair price. Founded in 1989 and located in Great River, Long Island, the firm serves clients through a structure led by a partner responsible for client outcomes. The organization describes its growth as rooted in excellence and collaborative service, aiming to provide decision-support that aligns with client objectives.

Section iconCompany Overview

Phone number
SIC Code
8721 - Accounting, Auditing, and Bookkeeping Services
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1989
Employees
11-50

Section iconFunding & Financials

  • $10M - $25M

    Giambalvo, Stalzer & Company, CPAs, P.C.'s revenue is estimated to be in the range of $10M - $25M

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.