Company lists · Data refreshed September 2026

Top 25 Accounting firm IT support companies based in Portland, United States

Name: Accounting firm IT support 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 22, 2026 118 companies tracked

RevenueBase identified 118 company matches for accounting firm IT support companies associated with Portland, United States as of September 2026 and tracks 1,747 professional contacts across them, including 808 with verified work emails. Across the United States, New York is the largest hub for this category (639 companies); Portland has 118.

This list covers company matches for accounting firm IT support 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 22, 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 22, 2026 How this list was built

118Companies

1,747Contacts tracked

808Verified emails

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The 25 largest accounting firm IT support companies based in Portland, United States

Ranked by team size

Top 25 of 118 company matches for accounting firm IT support companies based in Portland, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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	Baker Newman Noyes	Exact match	Portland, ME, United StatesHQ recorded Sep 22, 2026	201-500	336 contacts →
	Exact match “Baker Newman Noyes is one of the nation's top 100 accounting and consulting firms with offices in Massachusetts, Maine, and New Hampshire.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2	Kindercare Learing Center	Exact match	Portland, OR, United StatesHQ recorded Sep 22, 2026	n/a	257 contacts →
	Exact match “Kindercare Learing Center is an Accounting company located in 650 NE Holladay St # 1400, Portland, Oregon, United States.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3	Systems Engineering	Exact match	Portland, ME, United StatesHQ recorded Sep 22, 2026	51-200	217 contacts →
	Exact match “Founded in 1988, Systems Engineering is a SOC 2, Type 2-certified IT strategy and managed technology services provider.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4	Geffen Mesher	Exact match	Portland, OR, United StatesHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
5	Albin Randall & Bennett	Exact match	Portland, ME, United StatesHQ recorded Sep 22, 2026	51-200	90 contacts →
	Exact match “ARB guides organizations in the automotive, construction, manufacturing, and nonprofit sectors; closely held businesses; and family groups to make intelligent, sensible financial…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6	Purdy Powers & Company	Exact match	Portland, ME, United StatesHQ recorded Sep 22, 2026	11-50	46 contacts →
	Exact match “Confidence in Knowing.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7	Irvine & Company, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 22, 2026	11-50	35 contacts →
	Exact match “Irvine & Company, LLC is a growing independent accounting firm located in Portland, OR.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8	Information Systems Management	Exact match	Portland, OR, United StatesHQ recorded Sep 22, 2026	11-50	35 contacts →
	Exact match “With the June 2018 merger, ISM is now part of SWK Technologies, Inc.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9	Uprise Partners	Exact match	Portland, ME, United StatesHQ recorded Sep 22, 2026	11-50	29 contacts →
	Exact match “Enterprise-Grade IT and Cybersecurity Services Built for Growing SMBs.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10	Isler Northwest LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 22, 2026	11-50	25 contacts →
	Exact match “Isler Northwest LLC is a locally-owned firm of certified public accountants and business advisors.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11	Alten Sakai & Company LLP	Exact match	Portland, OR, United StatesHQ recorded Sep 22, 2026	11-50	25 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 22, 2026 · View company records in RevenueBase
12	Pittman & Brooks, P.C	Exact match	Portland, OR, United StatesHQ recorded Sep 22, 2026	11-50	25 contacts →
	Exact match “We started Pittman & Brooks because we believe that businesses need more than accountants, they need business consultants who are CPA-certified.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13	Kern & Thompson, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 22, 2026	11-50	20 contacts →
	Exact match “Kern & Thompson, LLC is a full service public accounting firm located in downtown Portland.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14	Dougall Conradie LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 22, 2026	11-50	17 contacts →
	Exact match “Portland Certified Public Accountants Dougall Conradie LLC - Our practice is built on the success of more than 30 years of certified public accounting and tax experience of John…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15	Foster & Associates, Cpa, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 22, 2026	51-200	15 contacts →
	Exact match “We are the “new kids on the block”.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16	Fellner & Kuhn	Exact match	Portland, OR, United StatesHQ recorded Sep 22, 2026	11-50	13 contacts →
	Exact match “Fellner & Kuhn has been serving clients since 1975.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17	Tabor Accounting Group	Exact match	Portland, OR, United StatesHQ recorded Sep 22, 2026	11-50	13 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18	TOP Kohlbush Hoem LLP	Exact match	Portland, OR, United StatesHQ recorded Sep 22, 2026	11-50	11 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 22, 2026 · View company records in RevenueBase
19	Northwest Technologies Group	Exact match	Portland, OR, United StatesHQ recorded Sep 22, 2026	11-50	11 contacts →
	Exact match “Many small businesses lack the time and expertise internally to manage their technology infrastructure.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20	Perpetual CPA	Exact match	Portland, OR, United StatesHQ recorded Sep 22, 2026	11-50	10 contacts →
	Exact match “Perpetual CPA is a digital Public Accounting firm.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21	Collaborative Business Solutions, LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 22, 2026	1-10	10 contacts →
	Exact match “Our firm provides services for businesses in all stages of development.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22	The Bookkeeping Company	Exact match	Portland, OR, United StatesHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
23	Luma Accounting LLC	Exact match	Portland, OR, United StatesHQ recorded Sep 22, 2026	1-10	8 contacts →
	Exact match “BEST.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24	Accounting Agency	Exact match	Portland, OR, United StatesHQ recorded Sep 22, 2026	11-50	8 contacts →
	Exact match “We partner with companies in the Advertising and Marketing space grow, strategically.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25	Portland Internetworks	Exact match	Portland, OR, United StatesHQ recorded Sep 22, 2026	11-50	7 contacts →
	Exact match “What does Portland Internetworks do?” Recorded in the RevenueBase company graph · Sep 22, 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 “accounting firm IT support 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 118 accounting firm IT support companies based in Portland, United States

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Accounting firm IT support companies based in Portland, United States at a glance

As of Sep 22, 2026

46.3%Verified-email coverage

14.8Average contacts per company

1-10Median size (employees)

Sep 22, 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 118 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 “accounting firm IT support 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 808 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 22, 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.

Accounting firm IT support 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 “accounting firm IT support companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many accounting firm IT support companies are there based in Portland, United States?

RevenueBase identified 118 company matches for accounting firm IT support 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?

Baker Newman Noyes 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 accounting firm IT support companies?

New York leads the United States with 639 company records, followed by Houston (392) and Los Angeles (283). Portland has 118.

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 808 professional contacts with verified work emails tracked across these 118 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 22, 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.