Company lists · Data refreshed September 2026

Top 25 Tax preparation outsourcing companies based in Portland, United States

Name: Tax preparation outsourcing companies based in Portland, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 44 companies tracked

RevenueBase identified 44 company matches for tax preparation outsourcing companies associated with Portland, United States as of September 2026 and tracks 366 professional contacts across them, including 207 with verified work emails. Across the United States, New York is the largest hub for this category (258 companies); Portland has 44.

This list covers company matches for tax preparation outsourcing companies 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 29, 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 29, 2026 How this list was built

44Companies

366Contacts tracked

207Verified emails

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The 25 largest tax preparation outsourcing companies based in Portland, United States

Ranked by team size

Top 25 of 44 company matches for tax preparation outsourcing companies based in Portland, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Geffen Mesher	Exact match	Portland, OR, United StatesHQ recorded Sep 29, 2026	51-200	160 contacts →
	Exact match “We’re a Portland-based accounting firm with a 90+ year legacy, and we’re continuing to grow and evolve every day.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	Foster & Associates, Cpa, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 29, 2026	51-200	15 contacts →
	Exact match “We are the “new kids on the block”.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3	Fellner & Kuhn	Exact match	Portland, OR, United StatesHQ recorded Sep 29, 2026	11-50	13 contacts →
	Exact match “Fellner & Kuhn has been serving clients since 1975.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	Iron Creek TAX & Consulting	Exact match	Portland, OR, United StatesHQ recorded Sep 29, 2026	1-10	12 contacts →
	Exact match “Any goal.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	Dufour Accountants, An Archer Lewis Firm	Exact match	Portland, ME, United StatesHQ recorded Sep 29, 2026	1-10	12 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 29, 2026 · View company records in RevenueBase
6	Pacific Northwest TAX Service	Exact match	Portland, OR, United StatesHQ recorded Sep 29, 2026	11-50	10 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 29, 2026 · View company records in RevenueBase
7	Perpetual CPA	Exact match	Portland, OR, United StatesHQ recorded Sep 29, 2026	11-50	10 contacts →
	Exact match “Perpetual CPA is a digital Public Accounting firm.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	The Bookkeeping Company	Exact match	Portland, OR, United StatesHQ recorded Sep 29, 2026	1-10	9 contacts →
	Exact match “Consider us a convenient, dependable, affordable one-stop service for your accounting needs.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	Bollenbacher & Associates LLC	Exact match	Portland, IN, United StatesHQ recorded Sep 29, 2026	1-10	7 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	Mosaic Consulting & TAX PC	Exact match	Portland, OR, United StatesHQ recorded Sep 29, 2026	1-10	6 contacts →
	Exact match “Mosaic Consulting & Tax specializes in helping small businesses with their bookkeeping needs.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	Neumann Curtis Cpas	Exact match	Portland, OR, United StatesHQ recorded Sep 29, 2026	1-10	6 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 29, 2026 · View company records in RevenueBase
12	Ford Black & Co., PC	Exact match	Portland, OR, United StatesHQ recorded Sep 29, 2026	1-10	5 contacts →
	Exact match “Helping you, down your path, for your tax and financial accounting needs.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	Dakers & Hall, LLC	Exact match	Portland, ME, United StatesHQ recorded Sep 29, 2026	1-10	3 contacts →
	Exact match “Tax planning and compliance.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14	James Keep & CO	Exact match	Portland, OR, United StatesHQ recorded Sep 29, 2026	1-10	3 contacts →
	Exact match “Serving small businesses offering accounting, bookkeeping, tax preparation, income tax planning, payroll services, affordable, outsourced employee payroll processing services, tax…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	Blue Whale Accounting	Exact match	Portland, OR, United StatesHQ recorded Sep 29, 2026	1-10	3 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 29, 2026 · View company records in RevenueBase
16	GO Green TAX	Exact match	Portland, OR, United StatesHQ recorded Sep 29, 2026	1-10	3 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 29, 2026 · View company records in RevenueBase
17	Gentry & Gentry LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 29, 2026	1-10	2 contacts →
	Exact match “Personalized, professional accounting, tax, bookkeeping & business consulting services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	WEN Jiang & Company, PC	Exact match	Portland, OR, United StatesHQ recorded Sep 29, 2026	11-50	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Gates TAX & Advisory, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 29, 2026	1-10	2 contacts →
	Exact match “A trusted business relationship you'll want to tell your friends about.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	Thunderegg Accounting LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 29, 2026	1-10	2 contacts →
	Exact match “The days of the stodgy accountant are over.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	Berg Morris LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 29, 2026	1-10	2 contacts →
	Exact match “Providing tax planning, tax compliance and accounting services to individuals, families, closely held business and estates & trusts.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	Artemis TAX	Exact match	Portland, OR, United StatesHQ recorded Sep 29, 2026	1-10	1 contacts →
	Exact match “Shame-free tax help for your business and your family.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	Anvil Tax, INC	Exact match	Portland, OR, United StatesHQ recorded Sep 29, 2026	1-10	1 contacts →
	Exact match “Our firm is large enough to offer a full range of professional services, but small enough to give you the individual attention that you deserve.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	Blaze TAX Services LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 29, 2026	1-10	1 contacts →
	Exact match “Individual and small business tax preparation, tax representation and resolution services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	Hintz & Company, LLC	Exact match	Portland, CT, United StatesHQ recorded Sep 29, 2026	1-10	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “tax preparation outsourcing companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 44 tax preparation outsourcing companies based in Portland, United States

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Tax preparation outsourcing companies based in Portland, United States at a glance

As of Sep 29, 2026

56.6%Verified-email coverage

8.3Average contacts per company

1-10Median size (employees)

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 44 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 preparation outsourcing companies” 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 207 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 29, 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 preparation outsourcing companies 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 preparation outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tax preparation outsourcing companies are there based in Portland, United States?

RevenueBase identified 44 company matches for tax preparation outsourcing companies 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?

Geffen Mesher 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 preparation outsourcing companies?

New York leads the United States with 258 company records, followed by Houston (205) and Miami (119). Portland has 44.

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 207 professional contacts with verified work emails tracked across these 44 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 29, 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.