Master Accounting and Tax Service, LLC

Master Accounting and Tax Service, LLC We offer our clients the convenience of dealing with us strictly online.

Professional accounting firm in AZ providing accounting services, tax services, bookkeeping, payroll, fractional CFO / Controller services, financial reporting/planning & other accounting services, with a Credentialed Enrolled Agent (EA) on staff. Master Accounting and Tax Service, LLC (MATS) strives to provide the client with quality accounting, bookkeeping and business services, at an affordable

cost and with the utmost integrity

We are working toward becoming a "paperless office" as well as an internet based company. We will soon be providing all of our clients with a secure, encrypted web portal to always have all historical tax documents at their fingertips and to provide them with a secure means to transfer information to us or receive information from us. The owner, Bill Mease, brings a rare level of tax expertise to the table for clients; he has been a practicing accountant for over 24 years, working for government agencies as an auditor, businesses as a staff accountant, an assistant controller and controller. In 2004, Bill established MATS and operates his growing accounting and tax practice in Tempe.

"Success is not final, failure is not fatal: it is the courage to continue that counts."
06/19/2026

"Success is not final, failure is not fatal: it is the courage to continue that counts."

Track Business Expenses Carefully: Keep detailed records of all legitimate business expenses, including software, market...
06/18/2026

Track Business Expenses Carefully: Keep detailed records of all legitimate business expenses, including software, marketing, travel, office supplies, and professional services.

Reminder: Make Estimated Tax Payments: If you're self-employed or have significant investment income, paying quarterly e...
06/17/2026

Reminder: Make Estimated Tax Payments: If you're self-employed or have significant investment income, paying quarterly estimated taxes can help you avoid penalties and large tax bills.

Retirement Income Can Affect Your Taxes: Different retirement income sources are taxed differently. Understanding how So...
06/16/2026

Retirement Income Can Affect Your Taxes: Different retirement income sources are taxed differently. Understanding how Social Security, IRAs, 401(k)s, pensions, and investments work together can help create a more tax-efficient retirement strategy.

Tax Planning Isn't Just for Tax Season: Effective tax planning happens throughout the year, not just when it's time to f...
06/15/2026

Tax Planning Isn't Just for Tax Season: Effective tax planning happens throughout the year, not just when it's time to file your return. Small decisions made today can have a significant impact on your future tax liability.

An LLC is a corporate structure where members cannot be held accountable for the company’s debts or liabilities. This ca...
06/11/2026

An LLC is a corporate structure where members cannot be held accountable for the company’s debts or liabilities. This can shield business owners from losing their entire life savings if, for example, someone were to sue the company.

Self-employed workers need to account for F**A taxes. In addition to your income taxes, remember to also account for you...
06/10/2026

Self-employed workers need to account for F**A taxes. In addition to your income taxes, remember to also account for your Social Security and Medicare taxes. Creating and funding a savings account for this purpose can help avoid a possible cash flow hit each quarter when you pay your estimated taxes.

A limited liability company (LLC) is a business structure in the U.S. that protects its owners from personal responsibil...
06/09/2026

A limited liability company (LLC) is a business structure in the U.S. that protects its owners from personal responsibility for its debts or liabilities. Limited liability companies are hybrid entities that combine the characteristics of a corporation with those of a partnership or sole proprietorship.

Keeping tax returns and the documents you used to complete them is critical if you’re ever audited. Typically, the IRS h...
06/08/2026

Keeping tax returns and the documents you used to complete them is critical if you’re ever audited. Typically, the IRS has three years to decide whether to audit your return, so keep your records for at least that long. You also should hang onto tax records for three years if you file a claim for a credit or refund after you filed your original return.

New 5.0-star Review: "Top notch accounting services and down to earth character."
06/08/2026

New 5.0-star Review: "Top notch accounting services and down to earth character."

Address

3231 S Country Club Way, Ste 101
Tempe, AZ
85282

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

(480) 456-4999

Website

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