Company lists · Data refreshed September 2026
Top 25 IT support for accountants worldwide
RevenueBase identified 1,922 IT support for accountants worldwide as of September 2026 and tracks 14,226 professional contacts across them, including 5,106 with verified work emails. The United States is the largest market and London the largest hub.
This list covers IT support for accountants worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026. Country and city lists for IT support for accountants follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest IT support for accountants worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 751 contacts → | ||||
Indirect evidence “TPx is the reliable sidekick every growing business deserves, powering your tech while you take the lead.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 656 contacts → | ||||
Strong evidence “TeamLogic IT provides IT service, support, project consultation and account management for businesses.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 577 contacts → | ||||
Indirect evidence “Obsessed with all things accounting, Rightworks is the preferred cloud service provider for businesses and accounting and tax firms.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 281 contacts → | ||||
Indirect evidence “Atlas Technica was founded in 2016 with two main goals: to provide the best customer service experience possible for our clients, and to use best-in-class public cloud technology…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 186 contacts → | ||||
Indirect evidence “This page serves the accounting, bookkeeping, and tax professional community who are at the heart of everything we do at Intuit.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 126 contacts → | ||||
Indirect evidence “California-based organizations hire Endsight to ensure that their technology systems operate effectively and align with their business goals.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 113 contacts → | ||||
Indirect evidence “Since 2012, we have been helping our clients in Business Development and achieving their goals in a market undergoing deep contraction and change.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 108 contacts → | ||||
Strong evidence “Supra ITS is an award-winning full-service technology partner offering 24x7 Managed IT & Cybersecurity Services, IT & AI Consulting, Cloud Services, and IT Project Support.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 103 contacts → | ||||
Indirect evidence “Siga a página oficial do Grupo IOB:” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 102 contacts → | ||||
Indirect evidence “Tool Business is a company based out of Rua Junqueiras, 500, sala 23, Poços De Caldas, Mg, Brazil.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 96 contacts → | ||||
Partial evidence “Matsco Solutions is a global managed IT service provider built exclusively for the financial services industry.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 95 contacts → | ||||
Partial evidence “TC Professional Services provides quality support across a range of accounting services as part of TC Group.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 94 contacts → | ||||
Indirect evidence “Há 35 anos, nossas soluções trazem a marca de uma empresa parceira dos profissionais de contabilidade, contribuindo para a evolução dos negócios com inovação, eficiência e…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 93 contacts → | ||||
Strong evidence “More Than Accountants is an industry leader when it comes to cutting edge accountancy services and business growth, we utilise the latest technology to help us achieve both our…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 89 contacts → | ||||
Indirect evidence “Founded in 1995 by a team of dedicated techies, fuelled by all things innovative and exciting in the world of technology, Silicon Overdrive’s driving force has always been to…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 84 contacts → | ||||
Partial evidence “Accountancy for small and medium-sized enterprises.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 81 contacts → | ||||
Strong evidence “Network Doctor is New Jersey's and New York City's premier managed IT services provider, delivering top-tier IT support, IT consulting, and cybersecurity, and Microsoft Copilot to…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 73 contacts → | ||||
Indirect evidence “Escritório de contabilidade em Uberlândia - MG.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 72 contacts → | ||||
Indirect evidence “TechSolutions provides a very different approach to managing your firm’s computers, network & data… so you can focus on growing your business.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 71 contacts → | ||||
Partial evidence “Sigma Tax Pro serves professional Tax Preparers, Accountants, and CPAs with industry-leading software solutions.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 69 contacts → | ||||
Partial evidence “Lizard to polska firma technologiczna, która od ponad 25 lat wspiera przedsiębiorstwa w budowaniu bezpiecznego, nowoczesnego i efektywnego środowiska IT.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 62 contacts → | ||||
Partial evidence “TaxAssist Accountants offers an accountancy service that reflects the way we all work today.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 62 contacts → | ||||
Partial evidence “Nexigen is one of the Cincinnati area's largest IT service and cybersecurity firms specializing in providing enterprise IT resources for small and medium businesses.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 62 contacts → | ||||
Indirect evidence “Online Computers began with a mission to help businesses get a real return on their technology investments.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 60 contacts → | ||||
Strong evidence “National It Consulting - Onsite and Remote Support - Microsoft and Cisco Certified Experts - Windows, Linux, and Mac OS Technical Support - Network Security and Compliance - IT…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: IT support for accountants. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names IT support for accountants.
- Partial evidence
- Its own public description names part of IT support for accountants, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name IT support for accountants. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 1,922 IT support for accountants worldwide
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IT support for accountants worldwide at a glance
As of Sep 21, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among IT support for accountants, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for IT support for accountants are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “IT support for accountants”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names IT support for accountants), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among IT support for accountants, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 5,106 across the full list. 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.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
IT support for accountants by location
10 lists · largest firstEvery IT support for accountants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- IT support for accountants based in the United States601
- IT support for accountants based in the United Kingdom258
- IT support for accountants based in Brazil126
- IT support for accountants based in Canada82
- IT support for accountants based in Australia74
- IT support for accountants based in India51
- IT support for accountants based in France48
- IT support for accountants based in South Africa33
- IT support for accountants based in Germany31
- IT support for accountants based in Italy31
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names IT support for accountants, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many IT support for accountants are there worldwide?
RevenueBase identified 1,922 IT support for accountants worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
TPX, headquartered in Austin, tops this list with the largest team on record.
Which country has the most IT support for accountants?
The United States leads with 601 companies, followed by the United Kingdom (258) and Brazil (126). Every IT support for accountants list by country and city is linked on this page.
Which city has the most IT support for accountants?
London leads with 50 headquartered companies, followed by Sao Paulo (17) and Toronto (12).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 5,106 verified decision-maker contacts tracked across these 1,922 companies.
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 Smart Search, 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.