Accepting New Clients

About Williamson Tax

Meet the team helping you get more out of your taxes.

Let’s Turn Your Bookkeeping & Tax Information into Business Insights

At Williamson Tax, we believe that every piece of “your puzzle” can give you insight into your business performance.

That’s why we’re committed to helping small business owners like you take your financial picture and use it to grow your business.

Instead of sifting through the numbers yourself, you get the insights directly from us.

Our Values


Williamson Tax will reduce your tax liability while increasing your overall wealth.


Looking for long-term engagement and high-touch communication? You might be the right company for us.


If there's one thing we're good at, it's keeping you compliant. (And helping you sleep better at night.)


We provide outsourced bookkeeping and accounting services to save our clients time and help their bottom line.


We’re a completely virtual firm, although we do have office locations to meet clients as needed.

Georgetown Office

601 Quail Valley Dr. Georgetown, TX 78626

Liberty Hill Office

349 Rieti Libery HIll, TX 78642

Leander Office

1615 Scottsdale Dr. Building 3, Suite 200b Leander, TX 78641

Ennis Office

2701 Sleepy Hollow Ennis, TX 75119

Meet the Team Reducing Your Tax Liability

John Parma


With over 35 years experience as a CPA, John has the experience to support any small business or personal tax situation.


He started his career at the IRS and then found success in regional firms, prior to starting his own practice.


He has served in board member positions for multiple non-profits.


His passion is finding every opportunity for our clients to reduce their tax liability, simplify complex tax topics, and create long-term client relationships.

Greg Parma


Before founding Williamson Tax, Greg forged a career in Corporate Finance, supporting Fortune 500 companies and leading Finance functions of start-ups and companies with hundreds of millions of annual revenue.


He has directly raised tens of millions for start-ups and supported many private equity transactions (sell-side, buy-side, and carve-outs).


He has held board member positions in several non-profits and currently serves on the board of his local Economic Development Council.


He is passionate about providing out-sized financial insights to small business owners and creating tax saving strategies for their families.

Frequently Asked Questions

This might not be familiar territory for everyone, so we welcome the question. We realized that hourly billing resulted in a transactional relationship with clients. While we are here to provide a service, we also want to provide you with value. Our clients receive a white-glove, long-term partner that they can turn to at any time.

To ensure we keep a smooth track record of everything we do, we prefer to communicate digitally. However, we do offer paper services for a small additional fee.
Not at all. While your previous accountant may have slapped you with a 200 dollar bill for asking a question, we don’t operate like that. The random question comes included in your monthly package.
Our service tends to pay for itself, and then some

Get the ease of an accounting firm. The support of a growth partner. And all the financial benefits of a tax advisor. We’re ready to get started if you are.

Of course! Federal tax preperation and filing starts at $350 and State filings are dependent on what’s required.