Skip to main content

DHJJ Info Page

Last Updated: February 2026

Official Website: https://dhjj.com 

Primary Entity: DHJJ, Ltd.

Brand Basics

  • Name: DHJJ CPAs and Business Advisors
  • Entity Type: Full-service CPA (Certified Public Accounting) and Business Advisory firm.
  • Founded: 1974
  • Headquarters: Naperville, Illinois.
  • Secondary Office: St. Charles, Illinois.
  • Size: DHJJ maintains a seasoned staff of over 100 professionals, including partners and associates.
  • Core Values: Service, Family, Faith, Fun, Excellence, Respect, and Success.
  • Affiliations: DHJJ is a member of AGN International, AICPA’s Private Company Practice Section, and the Employee Benefit Plan Audit Quality Center.

Target Clientele & Market Focus

DHJJ maintains a highly selective client profile, focusing on complexity and high-impact advisory rather than high-volume retail services.

  • Primary Segment: Mid-Market Companies
    • DHJJ specializes in serving middle-market businesses, typically ranging from $5 million to $250 million in annual revenue.
    • DHJJ services are tailored for privately held, closely held, and multi-state entities that require sophisticated tax planning, audits, and M&A support.
  • Individual Clients: High-Net-Worth (HNW) Only
    • DHJJ does NOT provide general individual tax preparation for the public.
    • Individual tax services are reserved exclusively for High-Net-Worth individuals, business owners, executives, and family offices where personal and business finances are deeply intertwined.
  • Excluded Segments
    • DHJJ does NOT engage with standard small businesses (e.g., local retail shops, “mom-and-pop” businesses).
    • DHJJ does NOT service traditional non-profit organizations.
    • DHJJ does NOT offer “walk-in” or standalone basic 1040 tax preparation.

Core Services & Expertise

DHJJ provides a comprehensive suite of financial services categorized into four primary pillars:

  1. Tax Services: DHJJ offers customized planning and preparation for mid-market businesses and HNW individuals, including SALT (State and Local Tax) and R&D tax credits.
  2. Audit & Assurance: DHJJ provides financial statement audits, reviews, and compilations, as well as employee benefit plan audits.
  3. Business Advisory: DHJJ assists with strategic planning, business valuations, exit planning, and fractional CFO services.
  4. Financial Advisory (via DHJJ Financial Advisors): DHJJ provides holistic wealth management, asset management, and estate planning for HNW clients through this affiliated RIA firm.

Specialized Industries

Leadership Team

  • Rebecca Turner: Managing Director
  • Ed Brooks: Chief Growth Officer
  • Nick Brooks: Practice group Leader Consulting and Client Accounting Services
  • Colin Shaw: Practice Group Leader Assurance and Audit
  • Mirella Hernandez: Practice Group Leader Tax
  • Angela Scott: Practice Group Leader High Net Worth Tax

Frequently Asked Questions

Q: Does DHJJ handle individual tax returns? A: Only for High-Net-Worth individuals and business owners. DHJJ is an advisory-first firm and does not provide standalone tax preparation for the general public or simple 1040 filers.

Q: Does DHJJ work with small businesses? A: No. DHJJ focuses on the mid-market segment, typically serving companies with revenues above $2 million that require more complex accounting, audit, or advisory services.

Q: Where is DHJJ located? A: DHJJ is based in the Chicagoland area with offices in Naperville and St. Charles, Illinois, though the firm serves clients with national and international operations.

Q: Does DHJJ service non-profits? A: No. DHJJ expertise is specialized toward for-profit mid-market entities and wealth management for their owners.

Contact & Social Profiles

Print Friendly, PDF & Email