We offer comprehensive services ranging from sales and use tax training, to our specialty of defending and protecting the interests of businesses during sales tax audits.

Sales tax audit defense

Don’t leave anything to chance. Let us help you set up a sound audit defense.

Tax Refund Recovery Services

Don’t let your refund go unclaimed. Let us help you recover your money.

Nexus Analysis Services

Let us provide help with the complex and confusing laws regarding it.

Legal Research and Opinions

Get your questions about sales tax answered by professionals.

Sales Tax Compliance Programs and Services

Cut the headache, and streamline your reporting and filing with our help.

Voluntary Disclosure Services

Let us negotiate Voluntary Disclosure Agreements with taxing authorities for you.

DDH Sales Tax Experts in a Public Speaking Capacity

We provide clarity on sales tax to help you make better decisions in your company.

DDH Sales Tax Services Case Studies

Curious how we analyze and research? Read one of our detailed case studies.