Computer Accounting Services is a Tacoma, Washington based Sage Authorized Partner committed to providing growing businesses in the Northwest US with software sales, implementation and support.


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About Computer Accounting Systems, Inc.

Mike Renner
Laurie Renner

In 1983, Mike and Laurie Renner founded CAS with a goal of providing the very best accounting software and software support to clients in the Tacoma, Olympia, and Seattle, Washington areas. Over the past 20 years, CAS has built long term relationships with many of the finest companies in the Northwest US.

Laurie has extensive experience in all accounting functions and has acted as a controller for many of their Sage MAS 90 clients for months and sometimes years after the installation of the software.

Mike has recently updated his software certification with Sage Software as part of being a leading Sage Software Authorized Partner:

  • Sage MAS 90 Certification May 2001
  • Sage MAS 200 Certification May 2002
  • Peachtree Conversion Training June 2002
  • Sage MIP Fund Accounting Certification August 2002
  • Sage MAS 90 Distribution Sept 2002
  • Sage MAS 90 Manufacturing Feb 2003
  • Sage BusinessWorks Certification July 2003
  • Sage MAS 90 Version 4.0 Certification Feb 2004
  • Sage MAS 90 Certified Trainer Sept 2004
  • Sage Summit Partner Advisory Board May 2006
  • Sage BusinessVision Certification March 2007
  • Peachtree by Sage Certified Consultant July 2009

Community Involvement and Support

We understand that it is very important to give back to the community in which we live in. Computer Accounting Systems, Inc. has chosen to be actively involved in the following organizations:

  • Camp Fire USA Orca Council, Board Member and Treasurer
  • TACID - Tacoma Area Coalition for Individuals with Disabilities
  • WIAA - Proud sponsor and host for Washington State High School Athletic Tournaments
  • Fife Area Chamber of Commerce, Ambassador
  • EWI - Executive Women's International, Tacoma Chapter
  • LeTip International - Tacoma Puget Sound Chapter, Board Member
  • Network of Tacoma - Board Member, past Treasurer

Partnership with WAC Consulting Group

The WAC Consulting Group serves the needs of businesses nationwide in the areas of business processes, operations and systems technology. With members of its team averaging 20 years experience working with companies in the commercial and industrial market places, the Group has encountered the challenges that face businesses today and as a result, can share with its customers in-depth information and quantified results from successful customer deployments.

Formed in 2006 by WAC Consulting, Inc., the Group has offices in 16 states and offers nationwide support and services. WAC Consulting, Inc., founded in 1987, provides and supports accounting, manufacturing, warehousing and CRM software solutions together with software customization services to solve operations, process and profitability challenges at small to mid-sized businesses.

Read our customer success stories to see hear how we provide value computer systems for our customers, or contact Computer Accounting Systems for more information about our products, our company, or our values.

 MAS 90, MAS 200 and MIP Software
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Computer Accounting Services

Phone: 760-469-9205 - Fax: 866-228-2080

With Offices in California

Copyright ©2012 Computer Accounting Services

This Web site is owned by Computer Accounting Services - Computer Accounting Services is independent from Sage and is not authorized to make any statement, representation or warranties or grant any license or permission on behalf of Sage regarding any product, service or Web site content. Certain materials made available on or through this Web site are owned by Sage and cannot be used without the prior written permission of Sage.