Insights

Growth Recognition Miller Cooper & Co. is a mid-sized Chicago firm expanding nationally with global Nexia capabilities, recently earning IPA Top 100 and Best of the Best honors. Sales opportunity: position services to scale with growing mid-market clients nationwide and leverage international reach for cross-border needs.

Valuation Leadership New appointment of Kevin M. Zanni as Principal and Director of Valuation Services signals investment in valuation, transaction advisory, and financial consulting. Sales angle: offer enhanced valuation, M&A support, and financial due diligence to private companies undergoing growth, exit planning, or financing rounds.

Stable Client Base Longstanding relationships with privately-held, generation-spanning clients indicate high client retention and trust. Upsell opportunity: expand advisory services in tax, audit, tech-enabled accounting, and governance to existing middle-market portfolios as needs evolve.

Technology-Driven Tech stack includes cloud platforms (Google Cloud, Microsoft Azure), collaboration tools (Microsoft 365), automation and dev-ops (HashiCorp Terraform), and content/marketing (WordPress, Canva). Sales angle: promote modernized, scalable accounting and data analytics solutions to improve efficiency, risk management, and reporting for growth-focused firms.

Talent Advantage Emphasis on work-life balance, mentorship, and career development positions Miller Cooper as an attractive employer for high-quality talent. Cross-sell opportunity: offer third-party HR, payroll, and talent management outsourcing, as well as leadership development and training services to potential clients seeking stable, capable accounting partners.

Similar companies to Miller Cooper & Co., Ltd.

Miller Cooper & Co., Ltd. Tech Stack

Miller Cooper & Co., Ltd. uses 8 technology products and services including Canva, GitHub, HashiCorp Terraform, and more. Explore Miller Cooper & Co., Ltd.'s tech stack below.

Media & News

Miller Cooper & Co., Ltd.'s Email Address Formats

Miller Cooper & Co., Ltd. uses at least 3 email formats:
Miller Cooper & Co., Ltd. Email FormatsExamplePercentage
FLast@millercooper.comJDoe@millercooper.com
96%
First.Last@millercooper.comJohn.Doe@millercooper.com
3%
FMiddleLast@millercooper.comJMichaelDoe@millercooper.com
1%

Frequently Asked Questions

What is Miller Cooper & Co., Ltd.'s phone number?

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You can contact Miller Cooper & Co., Ltd.'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 Miller Cooper & Co., Ltd.'s official website and social media links?

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Miller Cooper & Co., Ltd.'s official website is millercooper.com and has social profiles on LinkedIn.

How much revenue does Miller Cooper & Co., Ltd. generate?

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As of October 2026, Miller Cooper & Co., Ltd.'s annual revenue is estimated to be $250M - $500M.

What is Miller Cooper & Co., Ltd.'s SIC code and NAICS code?

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Miller Cooper & Co., Ltd.'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 Miller Cooper & Co., Ltd. have currently?

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As of October 2026, Miller Cooper & Co., Ltd. has approximately 460 employees across 4 continents, including North America, Asia and Europe. Key team members include President: R. D., Founder: I. M. and Managing Director: N. C. Explore Miller Cooper & Co., Ltd.'s employee directory with LeadIQ.

What industry does Miller Cooper & Co., Ltd. belong to?

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Miller Cooper & Co., Ltd. operates in the Accounting industry.

What technology does Miller Cooper & Co., Ltd. use?

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Miller Cooper & Co., Ltd.'s tech stack includes Canva, GitHub, HashiCorp Terraform, WordPress, CookieYes, Microsoft 365, Google Cloud and Microsoft Azure.

What is Miller Cooper & Co., Ltd.'s email format?

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Miller Cooper & Co., Ltd.'s email format typically follows the pattern of FLast@millercooper.com. Find more Miller Cooper & Co., Ltd. email formats with LeadIQ.

When was Miller Cooper & Co., Ltd. founded?

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Miller Cooper & Co., Ltd. was founded in 1919.
Miller Cooper & Co., Ltd. logo

Miller Cooper & Co., Ltd.

AccountingIllinois, United States201-500 Employees

Miller Cooper & Co., Ltd. is an accounting firm based in Deerfield, Illinois, that has served entrepreneurial and middle-market businesses since 1919. It ranks as the 10th largest accounting firm in Chicago and emphasizes tailored client service and long-standing relationships with privately held companies. The firm maintains a national footprint and offers global capabilities through its Nexia International membership, enabling access to expertise beyond its local market.

Clients work directly with Miller Cooper while benefiting from industry specialists who provide regional and international insight to address priorities with a customized approach, and the firm supports work-life balance and mentorship for its staff. In 2025, Miller Cooper was recognized on INSIDE Public Accounting’s Best of the Best Firms list for a third consecutive year, reflecting external acknowledgment of its performance.

Section iconCompany Overview

Phone number
SIC Code
8721 - Accounting, Auditing, and Bookkeeping Services
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1919
Employees
201-500

Section iconFunding & Financials

  • $250M - $500M

    Miller Cooper & Co., Ltd.'s revenue is estimated to be in the range of $250M - $500M

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