Welcome to Deep Dive Financial

Dive into our services for solo attorneys and small law firms with tax preparation, accounting, and legal technology selection and deployment.

We do what we say we will do and maintain the highest standards for our work. We provide the same respect to our clients that we ask of them. We do not venture outside of our expertise, and when occasional questions arise, we seek outside, qualified counsel.

Our services are not a commodity. Our rates reflect our expertise and the value that we provide to our clients – from proactive tax planning and opportunity identification to daily responsiveness to our clients’ needs. 

Deep Dive Financial has roots in the Big 4 and continues the tradition of integrity and excellence. Diana has 20 years of experience with a Big 4 firm practicing in the areas of financial and operational systems selection and implementation, change management, accounting and auditing.

Law Firms

The #1 headache for law firms is keeping their IOLTA account in balance. If precision is important to you, call us today.


Did you know that tax efficiency starts with an accurate set of books? Let us review your current setup, or engage us for a complete cleanup.

Accounting with Xero

We have a “deep” understanding of this new and popular cloud accounting solution. We are certified, experienced and run our own practice on Xero. This is the freshest, most state of the art accounting platform in the world and we’re huge fans.

Who is Diana Halenz?

Diana spent nearly 20 years of her career with Deloitte, working in the areas of revenue enhancement, process improvement, health care reform, public finance, and technology adoption. She has worked with businesses across the country and with state level agencies in Louisiana, Texas, Pennsylvania, New Hampshire, and Kentucky. After a very satisfying career working with multi-million dollar businesses and public agencies, she struck out on her own in 2013 to explore different interests, one of which is scuba diving.