Tax and assurance professionals with extensive experience in an array of industries.
Isler CPA is an accounting and advisory firm serving businesses, individuals, community and public sectors across the Western United States. Located in Eugene, Oregon, our team has expertise in many accounting areas including: audit, review, compilation and financial statement preparation, tax preparation and planning, estate planning, forensic accounting and litigation support. Our experts also provide services specific to specialty industries including: manufacturing and distribution, construction, wholesale and retail, municipalities, financial institutions, nonprofit organizations and tribal organizations. When taking care of our customers’ tax needs, Isler CPA uses Ultratax and CS Accounting Professional Suite, ranked by Journal of Accountancy as the top tax software in the country. Isler CPA is a part of the RSM US Alliance, allowing full access to national and international resources for the highest level of accounting service. Find out more about our team and community involvement, or contact us to learn more about our services.
Contact us at (541) 342-5161 or fill out the form below
“With trepidation of change, we sought counsel from Mark Guiley at Isler CPA when our CPA of many years retired. After just a brief meeting our anxiety was completely eliminated. Mark was quick to evaluate the operation of our business and our personal taxes and offer recommendations and answer questions. He reviewed past documents and offered suggestions that saved us thousands of dollars. We have been extremely pleased with the service and our choice with Isler CPA and Mark Guiley.”
- Diana and Michael H.
Owner, Eugene Skin Divers Supply
Key differences, benefits, and strategic uses of charitable split interest trusts (CLAT, CLUT, CRAT, CRUT, NIMCRUT, FLIPCRUT and more).
Article | April 08, 2025 Oregon residents considering transferring wealth should act now to take advantage of the federal estate tax exclusion, currently set at $13.99 million per individual. This…
Chief risk officers are invited to register for a live AI webinar featuring strategies to manage compliance while still encouraging innovation.
