Aprio
“It is great to have everything done in one place and there are a lot of advantages to that level of understanding of my needs.”
Best CPAs in Lake Oswego, OR
15 firms listed · 10 in Lake Oswego · 5 rated 4.5+
Data verified October 28, 2026
Aldrich Cpas + Advisors
“It is hard to pick someone to trust with your hard earned money, but Aldrich and specifically Deb have been incredible to work with.”
Reichlein Troy CPA
Collective Cpas & Advisors
“We are so happy to have these folks providing excellent accounting services for our company.”
Wolfe Consulting
“For the past 3 years Justin has done great for me with my taxes.”
Bailey & Company Cpa's
The 15 firms listed for Lake Oswego, OR are accounting practices that serve businesses and organizations. What each states about its CPA license and assurance work comes from its own website; ratings and quotes come from public reviews.
Area overview: Lake Oswego, OR
10 of the 15 firms we list are based in Lake Oswego; the other 5 serve Lake Oswego from Beaverton (7 mi), Portland (9 mi) and Tigard (4 mi). 11 of the firms on this page have a rating, from 3.0 to 5.0 across 239 reviews; 1 has 50 or more reviews and 5 are rated 4.5 or higher. 5 have a BBB rating of A or A+. 9 have ten or more years of experience, the longest 58 years. 1 offers payment plans; 1 offers a free initial consultation and 1 is family- or locally-owned. We have a website on file for all 15 of the firms on this page; 13 publish a contact page; 11 list a public email and 2 take bookings online. We count these figures across the firms on this page; distances are straight-line, and hours and prices change, so confirm the details with the firm before you book a consultation.
Which CPA firms listed for Lake Oswego list their assurance services?
Website details are held for all 15 firms on this page. Most name the engagement types they perform and the industries they serve, which is the quickest way to see whether audit work is core business or an occasional job for them.
Anne Gaggini, CPA
Twenty20 Tax and Consulting
Hoyle and Company
Stone & Associates CPA
CPA Service
“Last year he took care of my back taxes and told me what to expect as far as communications and letters from Oregon and the IRS.”
Hoshi CPA
“I will be working with him going forward, and he is extremely responsive and quick to get things done.”
Adams & Stewart
“Service so nice they make me enjoy paying taxes....”
Aaron Traxton, CPA
“I have made a lot of changes, both personally and professionally, over the years and he has been flexible and of great assistance through them all.”
Geffen Mesher & Co
“Doug's knowledge of the tax system is amazing and he does a really good job dumbing it down for a guy who got a C in tax law”
Why these companies made our list
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