Insights

Market Leadership Insero Advisors is repeatedly recognized as the top accounting firm in local and regional rankings, signaling strong brand prestige and potential for client referrals, cross-sell opportunities, and credibility in expanding services to mid-market organizations.

Growth through M&A Recent acquisition of Actel Advisory Group and headcount growth indicate active expansion and a widening service footprint, creating opportunities to pitch integrated tax, advisory, and strategic consulting packages to existing and new clients.

Diverse Clientele Serving government agencies, colleges, nonprofits, and a broad mix of industries from manufacturing to high-tech suggests ample cross-industry upsell potential for specialty services, including procurement, compliance, and treasury optimization.

Regional Footprint Strong regional recognition in Rochester with ongoing awards and community engagement presents a gateway to localized service expansions, talent partnerships, and neighborhood-focused advisory programs for public sector and educational customers.

People-First Value Brand emphasis on people, culture, and employee development positions Insero as a differentiated partner for organizations prioritizing employer branding, workforce analytics, and HR/talent advisory alongside traditional accounting and tax offerings.

Similar companies to Insero

Insero Tech Stack

Insero uses 8 technology products and services including Linkedin Insight Tag, Power BI, Tableau, and more. Explore Insero's tech stack below.

Media & News

Insero's Email Address Formats

Insero uses at least 3 email formats:
Insero Email FormatsExamplePercentage
First.Last@inserocpa.comJohn.Doe@inserocpa.com
81%
Last@inserocpa.comDoe@inserocpa.com
19%
First.Last@inseroadvisors.comJohn.Doe@inseroadvisors.com
100%

Frequently Asked Questions

What is Insero's phone number?

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You can contact Insero'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 Insero's official website and social media links?

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Insero's official website is inseroadvisors.com and has social profiles on LinkedIn.

How much revenue does Insero generate?

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As of July 2026, Insero's annual revenue is estimated to be $100M - $250M.

What is Insero's SIC code and NAICS code?

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Insero's SIC code is 7389 - Business Services, Not Elsewhere Classified and NAICS code is 54 - Professional, Scientific, and Technical Services.

How many employees does Insero have currently?

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As of July 2026, Insero has approximately 161 employees across 2 continents, including North America and Europe. Key team members include Partner: B. O., Partner, D. Leslie Spurgin Partner: D. S. and Partner: M. S. Explore Insero's employee directory with LeadIQ.

What industry does Insero belong to?

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Insero operates in the Professional Services industry.

What technology does Insero use?

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Insero's tech stack includes Linkedin Insight Tag, Power BI, Tableau, SAP, Shopify, Fortinet, KnowBe4 and Adobe Creative Suite.

What is Insero's email format?

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Insero's email format typically follows the pattern of First.Last@inserocpa.com. Find more Insero email formats with LeadIQ.

When was Insero founded?

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Insero was founded in 1972.
Insero logo

Insero

Professional ServicesNew York, United States51-200 Employees

Insero is a mid-sized professional services firm based in Rochester, New York, delivering accounting and advisory services with a people-centered focus. Its offerings range from recruiting and executive search to audit, tax, accounting, and consulting for a diverse set of clients, including government agencies, colleges and universities, nonprofits, and private or multinational companies across various industries. The Insero brand operates through two entities—Insero & Co. CPAs, LLP, which provides attest services as a licensed CPA firm, and Insero Advisors, LLC, along with its subsidiaries, which supply tax and business consulting within an alternative practice structure consistent with the AICPA Code and applicable standards. Recent developments in 2026 include Insero Advisors' acquisition of Actel Advisory Group to broaden its market research and strategy capabilities. Based in Rochester, the firm occupies a position in the professional services sector serving both public and private sector clients.

Section iconCompany Overview

Phone number
SIC Code
7389 - Business Services, Not Elsewhere Classified
NAICS Code
54 - Professional, Scientific, and Technical Services
Founded
1972
Employees
51-200

Section iconFunding & Financials

  • $100M - $250M

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

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