Insights

Growth momentum DHJJ has recently climbed the IPA Top 300 Firms ranking to No. 244 in 2026, indicating expanding market presence and potential for upsell of advisory and premium services to mid-market clients seeking scale and credibility.

Expansion footprint With multiple offices in Naperville and St. Charles and a sizable associate base, DHJJ can position coordinated cross-region services such as cloud-based accounting, multi-state taxation, and CFO services to clients with multi-state operations and centralized needs.

Security risk A data breach disclosed for November 2025 presents an opportunity to offer enhanced cybersecurity, data governance, and breach-response services to clients prioritizing risk management and regulatory compliance.

Technology stack Existing investments in cloud accounting, CRM/analytics, HRIS, and marketing tech (HubSpot, iCIMS, BambooHR, WordPress) create a ready-made platform to upsell integrated financial advisory, valuation, forensic services, and digital transformation projects.

Diversified revenue DHJJ’s breadth of offerings from CPA, tax, assurance to CFO and financial advisory services positions opportunities to cross-sell to existing clients and attract mid-market firms seeking holistic, outsourced financial leadership.

Similar companies to DHJJ Certified Public Accountants and Business Advisors

DHJJ Certified Public Accountants and Business Advisors Tech Stack

DHJJ Certified Public Accountants and Business Advisors uses 8 technology products and services including AdRoll, LinkedIn Ads, HubSpot Analytics, and more. Explore DHJJ Certified Public Accountants and Business Advisors's tech stack below.

Media & News

DHJJ Certified Public Accountants and Business Advisors's Email Address Formats

DHJJ Certified Public Accountants and Business Advisors uses at least 2 email formats:
DHJJ Certified Public Accountants and Business Advisors Email FormatsExamplePercentage
FLast@dhjj.comJDoe@dhjj.com
99%
FirstLast@dhjj.comJohnDoe@dhjj.com
1%

Frequently Asked Questions

What is DHJJ Certified Public Accountants and Business Advisors's phone number?

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You can contact DHJJ Certified Public Accountants and Business Advisors'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 DHJJ Certified Public Accountants and Business Advisors's official website and social media links?

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DHJJ Certified Public Accountants and Business Advisors's official website is dhjj.com and has social profiles on LinkedIn.

How much revenue does DHJJ Certified Public Accountants and Business Advisors generate?

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As of October 2026, DHJJ Certified Public Accountants and Business Advisors's annual revenue is estimated to be $250M - $500M.

What is DHJJ Certified Public Accountants and Business Advisors's SIC code and NAICS code?

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DHJJ Certified Public Accountants and Business Advisors'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 DHJJ Certified Public Accountants and Business Advisors have currently?

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As of October 2026, DHJJ Certified Public Accountants and Business Advisors has approximately 153 employees across 6 continents, including North America, Europe and Oceania. Key team members include Chief Information Officer: D. H., Chief Compliance Officer: S. B. and Managing Director: J. T. Explore DHJJ Certified Public Accountants and Business Advisors's employee directory with LeadIQ.

What industry does DHJJ Certified Public Accountants and Business Advisors belong to?

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DHJJ Certified Public Accountants and Business Advisors operates in the Accounting industry.

What technology does DHJJ Certified Public Accountants and Business Advisors use?

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DHJJ Certified Public Accountants and Business Advisors's tech stack includes AdRoll, LinkedIn Ads, HubSpot Analytics, iCIMS, WordPress, Mailchimp, Mimecast Secure Email Gateway and BambooHR.

What is DHJJ Certified Public Accountants and Business Advisors's email format?

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DHJJ Certified Public Accountants and Business Advisors's email format typically follows the pattern of FLast@dhjj.com. Find more DHJJ Certified Public Accountants and Business Advisors email formats with LeadIQ.

When was DHJJ Certified Public Accountants and Business Advisors founded?

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DHJJ Certified Public Accountants and Business Advisors was founded in 1974.
DHJJ Certified Public Accountants and Business Advisors logo

DHJJ Certified Public Accountants and Business Advisors

AccountingIllinois, United States51-200 Employees

DHJJ is a Naperville-based accounting and business advisory firm founded in 1974, with a second office in St. Charles, serving the Chicagoland area. As a full-service CPA and advisory practice, it provides traditional accounting, tax, and assurance services alongside specialty offerings such as cloud-based accounting, multi-state taxation, business valuation, forensic accounting, strategic and growth planning, CFO services, and financial advisory through DHJJ Financial Advisors. The firm employs more than a hundred professionals, including CPAs, tax specialists, and business consultants.

It serves organizations in the Chicagoland region that require integrated accounting and advisory guidance to improve financial performance. In 2025, Inside Public Accounting named DHJJ among the Top 300 CPA Firms, ranking 268.

Section iconCompany Overview

Phone number
Website
dhjj.com
SIC Code
8721 - Accounting, Auditing, and Bookkeeping Services
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1974
Employees
51-200

Section iconFunding & Financials

  • $250M - $500M

    DHJJ Certified Public Accountants and Business Advisors's revenue is estimated to be in the range of $250M - $500M

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