Company lists · Data refreshed October 2026

Top 25 Sole proprietor accounting services worldwide

RevenueBase identified 36,371 company matches for sole proprietor accounting services worldwide as of October 2026 and tracks 157,113 professional contacts across them, including 38,024 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for sole proprietor accounting services worldwide, 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 October 22, 2026. Country and city lists for sole proprietor accounting services follow the table.

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 Oct 22, 2026 How this list was built
36,371Companies
157,113Contacts tracked
38,024Verified emails
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The 25 largest sole proprietor accounting services worldwide

Ranked by team size
Top 25 of 36,371 company matches for sole proprietor accounting services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchNorwich, United KingdomHQ recorded Oct 22, 2026201-500728 contacts →

Exact match

“At TaxAssist Accountants we specialise in providing accountancy services, tax returns, payroll, bookkeeping, tax savings and tax advice to small businesses and support over…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
2Exact matchAhmedabad, IndiaHQ recorded Oct 22, 20261,001-5,000726 contacts →

Exact match

“KMK Ventures is a leading Outsourced Accounting & Tax solutions company providing services to clients based out of USA.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
3Exact matchn/a1,001-5,000632 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
4Exact matchHarrow, United KingdomHQ recorded Oct 22, 2026201-500478 contacts →

Exact match

“Outbooks is a leading provider of outsourcing services to accounting and bookkeeping firms.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
5Exact matchHyderabad, IndiaHQ recorded Oct 22, 20261,001-5,000469 contacts →

Exact match

“Share Microfin Ltd is an Accounting company located in 1-224/58, Rajeev Nagar, Nacharam, Hyderabad, Andhra Pradesh, India.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
6Exact matchAlphen Aan Den Rijn, NetherlandsHQ recorded Oct 22, 2026n/a384 contacts →

Exact match

“Tidak in Alphen aan den Rijn is het administratiekantoor voor startende ondernemers, zzp'ers, mkb en particulieren.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
7Exact matchExton, PA, United StatesHQ recorded Oct 22, 2026501-1,000362 contacts →

Exact match

“Cohesive is a leading solutions provider and systems integrator for IBM Maximo.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
8Exact matchSan Francisco, CA, United StatesHQ recorded Oct 22, 2026201-500359 contacts →

Exact match

“At Bench by Mainstreet, we believe small business owners deserve more than just software - they deserve real financial support.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
9Exact matchSterling, VA, United StatesHQ recorded Oct 22, 2026201-500356 contacts →

Exact match

“Advantage One Tax Consulting is a multi-disciplinary group of highly experienced tax professionals who understand the tax practice in its true spirit, examine the issues it faces…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
10Exact matchStapleford, United KingdomHQ recorded Oct 22, 2026n/a290 contacts →

Exact match

“Accounting services for sole traders and SME’s.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
11Exact matchHyderabad, IndiaHQ recorded Oct 22, 2026201-500287 contacts →

Exact match

“At Oremus Corporate Services, we specialize in delivering top-notch Accounting and Bookkeeping, Secretarial Compliance, Payroll, Tax, HR, and Business Advisory Services.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12Exact matchCalgary, AB, CanadaHQ recorded Oct 22, 2026201-500266 contacts →

Exact match

“For more than 70 years, our focus has always been to bring financial peace of mind to our Canadian business owners.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
13Exact matchNew Delhi, IndiaHQ recorded Oct 22, 2026201-500260 contacts →

Exact match

“Mercurius Advisory Services (MAS) provides comprehensive suite of accounting, bookkeeping and taxation services to small, medium and large enterprises.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14Exact matchHouston, TX, United StatesHQ recorded Oct 22, 2026501-1,000244 contacts →

Exact match

“Growth exposes financial weakness.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
15Exact matchArtesia, CA, United StatesHQ recorded Oct 22, 2026n/a243 contacts →

Exact match

“We are a full-service Accounting firm.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16Exact matchAtlanta, GA, United StatesHQ recorded Oct 22, 2026n/a240 contacts →

Exact match

“Founded in 1990 in Atlanta, Georgia, Small Business Services is part of LedgerWay, a tax, accounting, and advisory firm built for small businesses and entrepreneurs who are…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
17Exact matchUnited StatesHQ recorded Oct 22, 2026n/a206 contacts →

Exact match

“Since 1982, ATS has been a leader in providing quality tax, accounting and financial services to small businesses and individuals.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
18Exact matchBeaufays, BelgiumHQ recorded Oct 22, 2026n/a205 contacts →

Exact match

“Bonjour et bienvenue sur la page entreprise de la Fiduciaire au Carré - Une équipe dynamique à votre service- Assistance efficace et conseils individualisés tant aux personnes…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
19Exact matchDallas, TX, United StatesHQ recorded Oct 22, 2026201-500173 contacts →

Exact match

“Infinity Globus, a Springline company, is a leading accounting outsourcing firm with over two decades of industry experience, providing tailored taxation and accounting services…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
20Exact matchSarasota, FL, United StatesHQ recorded Oct 22, 202651-200158 contacts →

Exact match

“You need an accounting professional with the benefits of a reputable and resourceful firm.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
21Exact matchCanterbury, United KingdomHQ recorded Oct 22, 202651-200154 contacts →

Exact match

“Burgess Hodgson are a Kent based accountancy firm with the skills and expertise to rival any other accountancy firm in the UK.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
22Exact matchSchiphol-rijk, NetherlandsHQ recorded Oct 22, 2026201-500153 contacts →

Exact match

“JAN© weet waar je als ondernemer mee worstelt.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23Exact matchPraha 5, Czech RepublicHQ recorded Oct 22, 2026201-500152 contacts →

Exact match

“Pusťte účetnictví z hlavy.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24Exact matchJaipur, IndiaHQ recorded Oct 22, 202651-200151 contacts →

Exact match

“Mindspace Outsourcing, established in 2007, and offers bookkeeping outsourcing and accounting services to individuals and small to medium-sized businesses in the United States…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25Exact matchHouston, PA, United StatesHQ recorded Oct 22, 2026n/a149 contacts →

Exact match

“Accounting Solutions provides a wide range of services to individuals and businesses in a variety of industries.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase

Showing 25 of 36,371 sole proprietor accounting services worldwide

See the full list, filter by size, metro and specialty, and access 38,024 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sole proprietor accounting services worldwide at a glance

As of Oct 22, 2026
24.2%Verified-email coverage
4.3Average contacts per company
1-10Median size (employees)
1.5%Largest-city concentration · London
Oct 22, 2026Page data refreshed

Companies by employee count

1-10
29,358
11-50
5,975
51-200
621
201-500
88
501-1,000
18
1,001-5,000
13
5,001-10,000
1
10001+
4

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for sole proprietor accounting services are linked below.
What qualifies
Company records worldwide whose business descriptions match “sole proprietor accounting services” 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. 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 38,024 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 October 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.

Sole proprietor accounting services by location

150 lists · largest first

Every Sole proprietor accounting services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “sole proprietor accounting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sole proprietor accounting services are there worldwide?

RevenueBase identified 36,371 company matches for sole proprietor accounting services worldwide as of October 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?

Taxassist Accountants tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most sole proprietor accounting services?

The United States leads with 13,627 companies, followed by the United Kingdom (3,291) and Canada (2,053). Every sole proprietor accounting services list by country and city is linked on this page.

Which city has the most sole proprietor accounting services?

London leads with 549 company records, followed by New York (283) and Sao Paulo (273).

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 38,024 professional contacts with verified work emails tracked across these 36,371 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 October 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.