• Welcome

    We are a firm that cares about you and your business.
  • Accounting for Business

    Empowering business owners in managing their operations.
  • We help you plan.

    We specialize in Wealth Management for your comfort.
  • We grow with You.

    From accounting to taxes and planning, we have tools for you.
  • IRS Issues?

    Installments or Offer in Compromise to help you back on track in no time.

Accounting and IRS Problem Solver

Mendoza & Company, Inc. is a full service accounting and IRS problem solver firm.  As a client, you gain a smart team that listens, gives sound advice and strengthens your organization.  Our approach is to collaboration with our clients and our willingness to go to work for you.  We are confidence and equip you to make wise decisions today – and tomorrow. This is our philosophy.

We specialize in the following services, IRS tax resolution, tax audits representation, tax preparation, write-up services, payroll and consulting services. We have assisted a number of  clients in analyzing their accounting software and integrating a customized QuickBooks system for their company’s needs.

Our clients are domestic and international companies and individuals in the Washington Metropolitan Area. Our goal is to develop and maintain client relationships for the long term and make the relationship mutually beneficial.

Our principal services are:

  • Accounting,
  • Tax Preparation,
  • Tax Resolution,
  • Bookkeeping,
  • Payroll Services.
  • IRS Problem Solver,
  • Installment Agreements,
  • Offer of Compromise,
  • IRS Tax Audit Representation,
  • Payroll Compliance.

For accounting services call us today and schedule an appointment.

Call Us 301-962-1700



20+ years using QuickBooks. Call us to help you setup QuickBooks for your business. Contact us at 301-962-1700.


News & Tax Tips

  • Save Tax Dollars- Save Time – Tax Organizer
    11 Jan
    January 11, 2016

    Save Tax Dollars- Save Time – Tax Organizer

    Tax Deduction Locator & IRS Trouble Minimizer This tax  organizer is designed to assist and remind you of
  • IRAs
    24 Dec
    December 24, 2015


    IRAs TRADITIONAL OR ROTH? IRAs are great opportunity to save and plan for the future.  Traditional IRAs allow you to

From our Clients!


Angie Arriagada


Arriagada Design

From the moment we met and sat down to talk about my situation I knew I was talking to a person that knew what I was going through and certainly someone who knew how to get me and my business out of it too.