Experts in your business, taxes & financial wellbeing
We delight in having fun even as we take pride in being part of a firm with such a distinguished record of professional accomplishment.
Professional. Personal. Customized expertise.
There are plenty of reasons to work at DHJJ
A great work environment and competitive salary are just a few of the employee benefits DHJJ has to offer. Other benefits include:
Insurance Benefits
- Health Insurance
- Flexible Savings Accounts
- Health Savings Account
- Dental Insurance
- Vision Insurance
- Life Insurance
- Disability Coverage
Time Off & Flex Time
- Paid Holidays
- Paid Time Off
- Flexible Hybrid Schedule
- Volunteer Time Off
- Paid Parental Leave
Retirement Benefits
- 401k Plan
- Profit Sharing Plan
Professional Development
- Membership Fees
- Tuition Reimbursement
- Personalized CPE
Our History
DHJJ is a caring community of dedicated professionals who enjoy our work, our clients and our time together as a team.
DHJJ exists to help clients reach their goals by making astute and well-informed financial and management decisions. The firm was formed in 1974, and in the years since, our business advisory team has grown to include over 100 partners and associates with a shared commitment of helping all our clients fulfill their financial potential.
With offices at our original location of Naperville, Illinois and in St. Charles, we offer a complete range of financial and accounting services to businesses and individuals in the Chicago area and across the Midwest. We know that lasting, personal relationships coupled with cutting-edge knowledge and skills lead to the best outcomes, and we never forget that trust can only be earned by delivering the right advice and outstanding service in every interaction.
The DHJJ Difference
Agile, holistic, & on-site advisors
Choosing the right accounting firm isn’t easy, but it makes a big difference to your financial future. You know you need the most up-to-date knowledge and the best skills available to help you make wise decisions that help you reach your goals. But you want to work with people who see you as an individual – not just another set of numbers.
DHJJ gives you the best of both: renowned experts in the areas that affect your business, your taxes, and long-term financial wellbeing along with the highest level of service in the industry. If you’re looking for a lasting, personal relationship focused on helping you fulfill your financial goals, you’ve come to the right place. Welcome to DHJJ. We’re glad you’re here.
Find out how DHJJ can make a difference for you!
Tax
In-depth tax preparation and advisory for businesses and business owners, including specialists in International Tax and State and Local Taxation.
- State and Local Tax
- Mergers & Acquisitions
- Credits & Incentives
- International Tax
- Financial Planning
- Tax Planning & Tax Preperation
- High Net Worth Tax Planning
Audit
Our full-service firm handles different levels of audits & assurance as well accounting support
- Employee Benefit Plans
- Financial Statement Audits
- Financial Statement Reviews
- Reviews & Compilations
- Merger & Acquisition Audits
- Forensic Audits
- Agreed Upon Procedures
Advisory
Reach your goals more efficiently with the knowledgeable business advisory specialists at DHJJ.
- Business Exit Planning
- Forensic Accounting
- Management Advisory
- Peer Review Services
- Business Valuations
- Fractional CFO Services
- Mergers & Acquisitions
Wealth
Financial success relies on having the right information at the right time.
- Asset Management
- Financial Planning
- Corporate 401(k) Retirement Planning
Our mission and vision
Our mission
To ascertain the needs of our clients and focus on fulfilling those needs through highly professional services. We are committed to enhancing the profitability of our clients through services that add value to their personal and business wellbeing. We measure our success by our clients’ success.
Our vision
To become trusted business advisors to our clients, consistently exceeding their expectations.
We’re not just a firm – we’re a community
As a DHJJ team member, you’re not just part of a firm – you’re part of a caring community that actively supports charitable and professional organizations, as well as industry affiliations and partnerships throughout the Chicagoland area.
Every team member is encouraged to become involved in local groups in Naperville, St. Charles and the surrounding communities. We’re proud of the leadership our team members provide to a wide range of organizations, including:
Performance matters
Latest Thinking & Research
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- DHJJ
- Featured
What Business Decisions Create State Tax Problems? [Ask a DHJJ CPA Episode 9]
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What Is Financial Scenario Planning and Why Does It Matter?
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DHJJ Ranked No. 244 on the INSIDE Public Accounting Top 300 Firms List
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Strengthening Your Chart of Accounts for Clearer Financial Insights
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5 Tax Planning Opportunities High-Income Business Owners Should Evaluate in 2026
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When Should Business Owners Start Mid-Year Tax Planning? [Ask a DHJJ CPA Episode 8]
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Sales Tax Increase Takes Effect August 1, 2026, in Six Northern Illinois Counties
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