Company lists · Data refreshed September 2026

Top 25 Tax advisors based in Portland, United States

RevenueBase identified 56 company matches for tax advisors associated with Portland, United States as of September 2026 and tracks 267 professional contacts across them, including 120 with verified work emails. Across the United States, New York is the largest hub for this category (293 companies); Portland has 56.

This list covers company matches for tax advisors associated with Portland, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 21, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 21, 2026 How this list was built
56Companies
267Contacts tracked
120Verified emails
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The 25 largest tax advisors based in Portland, United States

Ranked by team size
Top 25 of 56 company matches for tax advisors based in Portland, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchPortland, OR, United StatesHQ recorded Sep 21, 202611-5025 contacts →

Exact match

“Alten Sakai & Company LLP is one of the leading local accounting firms in the Portland, Oregon metro area.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchPortland, OR, United StatesHQ recorded Sep 21, 202651-20015 contacts →

Exact match

“We are the “new kids on the block”.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchPortland, OR, United StatesHQ recorded Sep 21, 202611-5013 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchPortland, OR, United StatesHQ recorded Sep 21, 20261-1012 contacts →

Exact match

“Any goal.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchPortland, ME, United StatesHQ recorded Sep 21, 20261-1012 contacts →

Exact match

“Dufour Tax Group specializes in providing comprehensive strategic tax planning and compliance services to individuals and businesses across the globe.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchPortland, OR, United StatesHQ recorded Sep 21, 202611-5011 contacts →

Exact match

“Located in the beautiful City of Roses, Portland, OR, Top Kohlbush & Hoem has been successfully serving the tax and accounting needs of clients for over 35 years.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchPortland, OR, United StatesHQ recorded Sep 21, 202611-5010 contacts →

Exact match

“Founded as a boutique firm in 2007, we continue to offer the personal experience of a small company with our highly knowledgeable and dedicated staff.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchPortland, OR, United StatesHQ recorded Sep 21, 202611-5010 contacts →

Exact match

“We offer tax, accounting, payroll and tax audits services to individuals and small business owners.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchPortland, OR, United StatesHQ recorded Sep 21, 20261-109 contacts →

Exact match

“Consider us a convenient, dependable, affordable one-stop service for your accounting needs.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchPortland, OR, United StatesHQ recorded Sep 21, 202611-506 contacts →

Exact match

“We're not just advisors - we're integral partners in our clients' businesses.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchPortland, OR, United StatesHQ recorded Sep 21, 20261-106 contacts →

Exact match

“Mosaic Consulting & Tax specializes in helping small businesses with their bookkeeping needs.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchPortland, OR, United StatesHQ recorded Sep 21, 20261-106 contacts →

Exact match

“A passion for business and entrepreneurialism has led the founding partner, Robert Curtis CPA, to pursue a career in public accounting.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchPortland, OR, United StatesHQ recorded Sep 21, 20261-105 contacts →

Exact match

“Helping you, down your path, for your tax and financial accounting needs.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchPortland, OR, United StatesHQ recorded Sep 21, 202611-505 contacts →

Exact match

“We are a well-respected full serve tax and consulting firm and have been serving our clients for over 50 years in this area.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchPortland, OR, United StatesHQ recorded Sep 21, 20261-104 contacts →

Exact match

“Are you tired of overpaying taxes because your CPA isn’t bringing new strategies to the table?”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchPortland, CT, United StatesHQ recorded Sep 21, 20261-104 contacts →

Exact match

“Our financial firm, led by Joseph Carollo, CPA, offers a broad range of services for business owners, executives and independent professionals.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchPortland, United StatesHQ recorded Sep 21, 20261-103 contacts →

Exact match

“The nature of accounting is historical record.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchPortland, ME, United StatesHQ recorded Sep 21, 20261-103 contacts →

Exact match

“Tax planning and compliance.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchPortland, OR, United StatesHQ recorded Sep 21, 20261-103 contacts →

Exact match

“We exist to provide value for our business clients by strategizing income tax savings and offering outsourced CFO service”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchPortland, OR, United StatesHQ recorded Sep 21, 20261-103 contacts →

Exact match

“We built our firm to make the tax compliance process as simple and stress-free as possible.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchPortland, OR, United StatesHQ recorded Sep 21, 20261-103 contacts →

Exact match

“Go Green Tax is a Portland-based accounting firm specializing in tax preparation, start-up business consulting, bookkeeping, and payroll services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchPortland, OR, United StatesHQ recorded Sep 21, 20261-102 contacts →

Exact match

“Personalized, professional accounting, tax, bookkeeping & business consulting services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchPortland, OR, United StatesHQ recorded Sep 21, 202611-502 contacts →

Exact match

“CARPENTER'S TAX & ACCOUNTING For over 25 years, Carpenter's Tax & Accounting has, and still offers top quality, year-round.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchPortland, OR, United StatesHQ recorded Sep 21, 202611-502 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchPortland, OR, United StatesHQ recorded Sep 21, 20261-102 contacts →

Exact match

“A trusted business relationship you'll want to tell your friends about.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 56 tax advisors based in Portland, United States

See the full list, filter by size, metro and specialty, and access 120 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tax advisors based in Portland, United States at a glance

As of Sep 21, 2026
44.9%Verified-email coverage
4.8Average contacts per company
1-10Median size (employees)
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
42
11-50
12
51-200
1
201-500
1

Email recency for this list is measured across the whole United States list rather than for Portland, so it is reported there. Company counts and contact totals on this page are exact for Portland, over 56 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Portland, United States whose business descriptions match “tax advisors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 120 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 21, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Tax advisors by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “tax advisors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tax advisors are there based in Portland, United States?

RevenueBase identified 56 company matches for tax advisors associated with Portland, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Alten Sakai & Company LLP tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most tax advisors?

New York leads the United States with 293 company records, followed by Houston (266) and Miami (140). Portland has 56.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 120 professional contacts with verified work emails tracked across these 56 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.