Insights

Growth potential Mid-sized accounting and consulting firm with revenue in the 25–50M range and a staff size of 11–50 presents significant up-selling opportunities for expanded audit, tax planning, and business consulting services to deepen client relationships and increase wallet share.

Industry positioning Competitively positioned among regional firms with a broad service footprint including audits, reviews, compilations, and various tax returns, suggesting opportunities to cross-sell specialized services such as nonprofit and retirement plan tax advisory, estate planning, and outsourced accounting.

Technology leverage Tech stack highlights modern web and collaboration capabilities (WordPress, Microsoft 365, MySQL, PHP, Bootstrap) indicating openness to digital transformation projects, data analytics, cloud-based accounting solutions, and enhanced client portals to improve service delivery.

Market expansion Location in Des Plaines, Illinois with a network-relevant footprint and revenue scale implies regional expansion potential into nearby markets with similar client profiles, particularly small to mid-sized businesses requiring audit and tax services.

Engagement potential Diverse service lines for individuals, estates, trusts, nonprofits, and retirement plans create opportunities for integrated planning services, research and development incentives, and succession planning to attract family-owned businesses and high-net-worth clients.

Callero & Callero LLP Tech Stack

Callero & Callero LLP uses 8 technology products and services including WordPress, Microsoft 365, Lua, and more. Explore Callero & Callero LLP's tech stack below.

  • WordPress
    Content Management System
  • Microsoft 365
    Email
  • Lua
    Programming Languages
  • Piwik
    System Analytics & Monitoring
  • Animate.css
    UI Frameworks
  • Bootstrap
    UI Frameworks
  • YouTube
    Video Players
  • HTTP/3
    Web & Portal Technology

Callero & Callero LLP's Email Address Formats

Callero & Callero LLP uses at least 1 format(s):
Callero & Callero LLP Email FormatsExamplePercentage
FLast@callero.comJDoe@callero.com
77%
First.Last@callero.comJohn.Doe@callero.com
15%
Last@callero.comDoe@callero.com
8%

Frequently Asked Questions

What is Callero & Callero LLP's phone number?

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You can contact Callero & Callero 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 Callero & Callero LLP's official website and social media links?

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Callero & Callero LLP's official website is callero.com and has social profiles on LinkedIn.

How much revenue does Callero & Callero LLP generate?

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As of July 2026, Callero & Callero LLP's annual revenue is estimated to be $25M - $50M.

What is Callero & Callero LLP's SIC code NAICS code?

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Callero & Callero 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 Callero & Callero LLP have currently?

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As of July 2026, Callero & Callero LLP has approximately 29 employees across 2 continents, including North AmericaEurope. Key team members include Partner: J. C.Manager: F. K.Principal: J. S.. Explore Callero & Callero LLP's employee directory with LeadIQ.

What industry does Callero & Callero LLP belong to?

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Callero & Callero LLP operates in the Accounting industry.

What technology does Callero & Callero LLP use?

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Callero & Callero LLP's tech stack includes WordPressMicrosoft 365LuaPiwikAnimate.cssBootstrapYouTubeHTTP/3.

What is Callero & Callero LLP's email format?

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Callero & Callero LLP's email format typically follows the pattern of FLast@callero.com. Find more Callero & Callero LLP email formats with LeadIQ.

When was Callero & Callero LLP founded?

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Callero & Callero LLP was founded in 1960.
Callero & Callero LLP logo

Callero & Callero LLP

AccountingIllinois, United States11-50 Employees

Callero & Callero LLP is a local CPA and consulting practice based in Des Plaines, Illinois, offering audit, tax planning, accounting, and business advisory services. The firm performs audits, reviews, and compilations for a variety of clients.

Its client base spans businesses, individuals, estates, trusts, non-profits, and retirement plans, for whom it prepares income tax returns. As a small to mid-sized local practice, it combines accounting with advisory services to support financial reporting and compliance. The firm operates from its Des Plaines location, serving clients across Illinois.

Section iconCompany Overview

Phone number
SIC Code
8721 - Accounting, Auditing, and Bookkeeping Services
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1960
Employees
11-50

Section iconFunding & Financials

  • $25M - $50M

    Callero & Callero LLP's revenue is estimated to be in the range of $25M - $50M

Section iconFunding & Financials

  • $25M - $50M

    Callero & Callero LLP's revenue is estimated to be in the range of $25M - $50M

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