Insights

Growth through partnerships Promotions of multiple partners in 2026 and a growing staff of 200+ suggest a firm expanding leadership capacity and client service capability, creating opportunities to position value-added advisory and outsourced accounting services to mid-market firms seeking scalable expertise.

Technology enabled Adoption of a diverse tech stack including Power BI, QuickBooks Online, Microsoft Azure, and iCIMS indicates a modernization posture. This opens doors for selling data analytics, cloud-enabled bookkeeping, and digital transformation consulting to improve client decision-making and efficiency.

Regional scale Operating across five New York State offices with a 50-year legacy demonstrates strong regional footprint and stability, enabling cross-office multi-location audits, tax, and advisory engagements for multi-state clients and organizations with dispersed operations.

Health and risk focus The firm emphasizes risk management, regulatory compliance, and tax planning, signaling potential demand for governance, risk, and compliance (GRC) services, internal control assessments, and tax optimization strategies for complex clients.

Client-centric growth A commitment to deep client relationships and tailored solutions suggests sales opportunities for industry-specific advisory packages, including client accounting services, outsourced controller functions, and ongoing financial reporting support for growth-focused organizations.

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MMB+CO Tech Stack

MMB+CO uses 8 technology products and services including UserWay, Quickbooks Online, iCIMS, and more. Explore MMB+CO's tech stack below.

MMB+CO's Email Address Formats

MMB+CO uses at least 7 email formats:
MMB+CO Email FormatsExamplePercentage
FLast@mmb-co.comJDoe@mmb-co.com
87%
Last@mmb-co.comDoe@mmb-co.com
12%
LFirst@mmb-co.comDJohn@mmb-co.com
1%
FLast@mengelmetzgerbarr.comJDoe@mengelmetzgerbarr.com
65%
First.Last@mengelmetzgerbarr.comJohn.Doe@mengelmetzgerbarr.com
12%
LF@mengelmetzgerbarr.comDJ@mengelmetzgerbarr.com
11%
FL@mengelmetzgerbarr.comJD@mengelmetzgerbarr.com
12%

Frequently Asked Questions

What is MMB+CO's phone number?

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You can contact MMB+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 MMB+CO's official website and social media links?

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MMB+CO's official website is mmbaccounting.com and has social profiles on LinkedIn.

How much revenue does MMB+CO generate?

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As of October 2026, MMB+CO's annual revenue is estimated to be $100M - $250M.

What is MMB+CO's NAICS code?

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MMB+CO's NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

How many employees does MMB+CO have currently?

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As of October 2026, MMB+CO has approximately 256 employees across 4 continents, including North America, Europe and Asia. Key team members include Chief Risk Officer And Executive Vice President, Capital Markets And Treasury Risk Management: M. F., Partner At Mengel, Metzger, Barr & Co. Llp: M. H. and Partner: L. H. Explore MMB+CO's employee directory with LeadIQ.

What industry does MMB+CO belong to?

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MMB+CO operates in the Accounting industry.

What technology does MMB+CO use?

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MMB+CO's tech stack includes UserWay, Quickbooks Online, iCIMS, Paycom, Power BI, Mailgun, Microsoft Azure and USPS.

What is MMB+CO's email format?

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MMB+CO's email format typically follows the pattern of FLast@mmb-co.com. Find more MMB+CO email formats with LeadIQ.

When was MMB+CO founded?

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MMB+CO was founded in 1975.
MMB+CO logo

MMB+CO

AccountingNew York, United States201-500 Employees

MMB+CO is a regional accounting firm that provides audit, tax, and consulting services within the accounting industry. Founded in 1975, the firm has grown to more than 200 full-time professionals, including 38 partners. It operates from five offices in Canandaigua, Elmira, Latham, Queensbury, and Rochester, New York, serving organizations across the state. The company is based at 370 Woodcliff Drive Suite 2a, Fairport, New York 14450, United States, and maintains a website at mmbaccounting.com. The firm describes its approach as combining resources typically associated with larger firms with the close client attention of a smaller practice, offering regulatory compliance, tax planning, risk management, and financial reporting services to support client growth and stability.

Section iconCompany Overview

Phone number
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1975
Employees
201-500

Section iconFunding & Financials

  • $100M - $250M

    MMB+CO's revenue is estimated to be in the range of $100M - $250M

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