Company lists · Data refreshed October 2026

Top 25 IT consulting accountants based in Fairfax, United States

Name: IT consulting accountants based in Fairfax, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 76 companies tracked

RevenueBase identified 76 company matches for IT consulting accountants associated with Fairfax, United States as of October 2026 and tracks 4,722 professional contacts across them, including 2,587 with verified work emails. Across the United States, New York is the largest hub for this category (692 companies); Fairfax has 76.

This list covers company matches for IT consulting accountants associated with Fairfax, 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 October 1, 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 Oct 1, 2026 How this list was built

76Companies

4,722Contacts tracked

2,587Verified emails

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The 25 largest IT consulting accountants based in Fairfax, United States

Ranked by team size

Top 25 of 76 company matches for IT consulting accountants based in Fairfax, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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	Nationwide IT Services, INC	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	201-500	190 contacts →
	Exact match “Nationwide IT Services, Inc.(NIS) is designated 8(a) by the SBA, and a CVE verified Service Disabled Veteran Owned Small Business (SDVOSB) Information Technology (IT) and…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Concept Plus, LLC	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	201-500	168 contacts →
	Exact match “Concept Plus is a technology services company offering deep technical expertise, an experienced team, and a dedication to maximizing business productivity.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Kforce Government Solutions, Inc. KGS	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	501-1,000	140 contacts →
	Exact match “Kforce Government Solutions, Inc.(KGS) is a provider of financial management, transformation management, and technology solutions to the government.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Onpoint	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	11-50	104 contacts →
	Exact match “OnPoint is a technology and consulting services partner helping government leaders secure their systems, effectively operate, and deliver critical services in today’s increasingly…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Hadiamondstar Software Solutions LLC	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	51-200	98 contacts →
	Exact match “Hadiamondstar Software Solutions LLC Known as is a leading Global Consulting and IT Services company, offering a wide array of solutions ranging from strategy consulting right…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	Matthews, Carter & Boyce, P.C	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	51-200	95 contacts →
	Exact match “MCB is a full-service accounting firm celebrating nearly 80 very independent years of business in the Washington, DC metro area.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Metronome	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	51-200	92 contacts →
	Exact match “Metronome partners with federal customers to lead them on the Digital Transformation journey.and we will get them there lightning-fast.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Inalab	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	51-200	91 contacts →
	Exact match “Inalab is a leading IT solutions and strategy consulting firm focused on providing solutions that transform enterprise operations in the government and commercial sectors by…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	JCS Solutions LLC	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	51-200	81 contacts →
	Exact match “JCS Solutions is a premier cybersecurity and technology solutions provider.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Inforeliance	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	201-500	70 contacts →
	Exact match “When organizations need to be on time-and on budget-they call InfoReliance.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Luzon Technologies INC	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	51-200	65 contacts →
	Exact match “We RECRUIT, We TRAIN, and We STAFF Transforming Challenges into Opportunities!” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	ERPI	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	201-500	57 contacts →
	Exact match “Enterprise Resource Performance Inc.(ERPi) is a professional services rm that delivers strategic, advisory, technological, and implementation support services to Federal Agencies.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Technova Systems	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	51-200	51 contacts →
	Exact match “TechNova Systems is a technology consulting and workforce solutions company helping organizations build, scale, and modernize with confidence for 10 Years.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Usmax Corporation	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	51-200	39 contacts →
	Exact match “USmax Corporation is an ISO 9001:2015 registered, ISO registered, ISO 27001:2013 registered, and CMMI-SVC Level 3 appraised Enterprise Information Technology (IT) and Professional…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Comter Systems INC	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	11-50	29 contacts →
	Exact match “Comter Systems is a transformational IT services company which supports federal agencies, commercial enterprises, and non-profit organizations.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Five 9 Group, INC	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	51-200	27 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Intellisoft Technologies	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	20 contacts →
	Exact match “Empowering Innovation with Intellisoft Technologies, Inc.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Vizens Corp	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	51-200	19 contacts →
	Exact match “VIZENS Corp is Software development & services company.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Senet International	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	11-50	16 contacts →
	Exact match “SeNet International Corporation is a company of information technology consulting professionals committed to helping public and private sector organizations securely operate their…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Lp3	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	51-200	14 contacts →
	Exact match “LP3 is a highly experienced cyber and integration company with offices in Fairfax, VA, Syracuse, NY, St.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Tellenger	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	11-50	13 contacts →
	Exact match “Tellenger specializes in software development, enterprise IT and cloud solutions.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Information Analysis Incorporated	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	11-50	11 contacts →
	Exact match “Tellenger, Inc.(formerly Information Analysis Incorporated) is a wholly owned subsidiary subsidiary of WaveDancer, a publicly traded company (NASDAQ: WAVD), and certified small…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Watts Group, INC	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	11-50	10 contacts →
	Exact match “Founded in 2005, Watts Group has an experienced and responsive team of accounting and systems implementation experts.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	BSB Cpas Business Advisors	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	51-200	10 contacts →
	Exact match “Burdette Smith & Bish LLC (BSB) is a premier certified public accounting firm serving the Washington DC Metro Area.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	The Mcgruder Group, Cpas	Exact match	Fairfax, VA, United StatesHQ recorded Oct 1, 2026	11-50	10 contacts →
	Exact match “The McGruder Group, located in Fairfax, Virginia, is a Certified Public Accounting Firm serving the Washington Metropolitan area.” Recorded in the RevenueBase company graph · Oct 1, 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 “IT consulting accountants”. 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 76 IT consulting accountants based in Fairfax, United States

See the full list, filter by size, metro and specialty, and access 2,587 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT consulting accountants based in Fairfax, United States at a glance

As of Oct 1, 2026

54.8%Verified-email coverage

62.1Average contacts per company

11-50Median size (employees)

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Fairfax, so it is reported there. Company counts and contact totals on this page are exact for Fairfax, over 76 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 Fairfax, United States whose business descriptions match “IT consulting accountants” 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 2,587 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 1, 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.

IT consulting accountants 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 “IT consulting accountants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT consulting accountants are there based in Fairfax, United States?

RevenueBase identified 76 company matches for IT consulting accountants associated with Fairfax, United States 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?

Nationwide IT Services, INC 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 IT consulting accountants?

New York leads the United States with 692 company records, followed by Houston (439) and Atlanta (363). Fairfax has 76.

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 2,587 professional contacts with verified work emails tracked across these 76 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 1, 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.