Mosaic Consulting & Tax
“As new business owners, they have walked us through all of the things needed to keep our business and personal finances and taxes in order.”
Best Bookkeeping Services in Portland, OR
22 companies listed · all 22 in Portland · 2 open weekends · 12 rated 4.5+
Data verified October 28, 2026
Pacific Northwest Tax Service
“Was worried about my payroll taxes, being a sole proprietor, but Jasper made quick and easy work of my forms even with my mistakes in accounting.”
Estmere Accounting, Bookkeeping, Fractional CFO
“Estmere cleaned up my old books and has kept me on track every since!”
Apparatus Contractor Services
“I receive a weekly status update report and find that they are very easy to reach out to whenever I have questions.”
Go Green Tax
“My situation is complex, yet Baruch never stops helping me find the right solution.”
Book onlineBook
All About Businesses
“In fact they are helping with 2 of our businesses payroll and have been of great help.”
The 22 companies listed for Portland, OR keep books, reconcile accounts and close the month for businesses. What each says about its packages and software comes from its own website; ratings and quotes come from public reviews.
Area overview: Portland, OR
All 22 companies we list here are in Portland itself. We have 31 companies in Portland on file; this page shows the highest-rated 22. 19 of the companies on this page have a rating, from 4.0 to 5.0 across 345 reviews; 1 has 50 or more reviews and 12 are rated 4.5 or higher. 2 are open on Saturdays. The services the companies on this page list most often on their websites are tax preparation (3), accounts payable (2), accounts receivable (2), bookkeeping (2) and payroll (2). 4 have a BBB rating of A or A+. Domain records put 11 websites of the companies on this page at ten or more years old; the oldest dates from 1997. 4 offer a free initial consultation and 1 is family- or locally-owned. We have a website on file for 21 of the companies on this page; 18 publish a contact page; 15 list a public email and 1 takes bookings online. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book a consultation.
Do any bookkeeping companies listed for Portland offer a free assessment?
A first consultation without charge is stated by 4 of the 22 companies. It usually means someone looks at your file, counts the monthly transactions, and gives you a price. Have login access ready or the quote will be a guess.
MB Tax Pro
“I have referenced friends and family to them as I know they will get the best possible service.”
MCP Tax Service
“Manuel is the best, we were behind many years in our taxes post Covid, we felt hopeless and got ahold of Manuel, he was very reassuring, helpful and confident, we were able to get everything caught up correctly with Manuels assistance, I highly recommend him.”
Lauderbaugh Tax CPA
“Jonathan was quick with our taxes and helped answer all our questions.”
Smyth & Clark
“Trustworthy, consistent, knowledgeable and efficient tax preparation and accounting advice for the past 20 years.”
Moxy Accounting
“Katye is one of the most competent CPAs I work with in Portland as see has in depth knowledge of LLCs, S corps, individual returns, etc.”
Iron Creek Tax & Consulting
“I'm in awe of the personal and business advice I've received and the genuine, heartfelt and incredibly smart guidance during routine and big decisions, including 2 practice purchases, selling, house acquisition timing, maternity leave etc.”
K & B Business Services
“Mark has been a family tax consultant for many years he has handled my business as well as personal.”
Susan Matlack Jones & Associates
“Excellent staff of CPAs specializing in non-profit accounting.”
My Tax Man
“They have been helping out our small business for several years with tax prep and some quickbooks accountign and reconciliation efforts.”
Westside Secretarial Service
Spring Accounting
“It's got a few steps to it, but thankfully she offers an affordable package that gets it all done for you!”
Heartwood Bookkeeping
“Their advisement and expertise has saved me money and eliminated stress - I wholeheartedly recommend them to anyone, and especially artists, creatives and other folks who are not on a traditional business journey”
Van Beek & Co.
“My wife and i have been using them for our personal and business taxes for several years and they are excellent.”
Smooth Sailing Bookkeeping
My Accounting Team
Direct Business Automation
Why these companies made our list
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