About Us

At Williams Tax Group, PLC the careful management of your finances is our top priority. we pride ourselves on giving you personalized and thorough service that meets your business or individual needs.

About Our Team

For years, Williams Tax Group, PLC has been providing quality, personalized financial guidance to everyone from business owners to individuals.  Our expertise ranges from tax planning, preparation, and accounting to more in-depth services such as Non-resident returns, back tax solutions, and 941 resolution.

Williams Tax Group, PLC is located in the East Valley city of Mesa and we have clients all over the country.  By maximizing our expertise, experience and client first attitude, we assure that every client receives the attention they deserve.  Our dedication to high standards and superior work ethic is at the core of interaction.

Our Mission

Our mission is to help clients achieve and maintain financial independence in the present, while taking a proactive approach to help achieve future goals.  This road map is achieved through open communication with our clients aimed at gaining a full understanding of their current situation and future goals.

Our Areas of Specialization

Our entire operation is rooted in a tradition of meeting the highest standards of accounting practices. From this foundation, we offer the following specialized services: strategic tax planning and preparation for individuals and businesses and consulting services for business development and management.

I have been a loyal client of Williams Tax Group for several years, and I have always received top-notch service. Robert and Nicki are the best!

Andrea Stewart Avatar Andrea Stewart
August 31, 2023

Trusting Williams Tax Group with my business’s payroll services was a wise choice. Their accuracy, efficiency, and exceptional customer support have made payroll management effortless for me.

James Robinson Avatar James Robinson
October 31, 2023

Choosing Williams Tax Group for my business tax needs was the best decision I made.

William Robinson Avatar William Robinson
October 1, 2023


Tax Service

Federal Income Tax Planning

At Williams Tax Group, PLC, we assist our tax clients through efficient compliance and effective planning to help them realize substantial savings. We use a team approach and focus on timely communication...

Tax Resolution


There is nothing more alarming to a business owner and the management team than to receive an IRS letter. It can set off an almost immediate panic that either the company has done something wrong or that there will...

Accounting Service

Small Business

Our specialized accounting services accurately track your revenue and expenses, providing up-to-date accounting information giving you valuable insight into your business’s financial health. Our finance and accounting...

Consulting Services

Financial Processes

At Williams Tax Group, PLC, our business is to know and understand your financial situation. We offer services beyond compliance and combine our experience, expertise, and knowledge to add value as a...

Video Articles


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Areas of Service