Company lists · Data refreshed September 2026

Top 25 IT services consulting firms based in Arlington, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 211 companies tracked

RevenueBase identified 211 company matches for IT services consulting firms associated with Arlington, United States as of September 2026 and tracks 7,288 professional contacts across them, including 3,117 with verified work emails. Across the United States, New York is the largest hub for this category (1,398 companies); Arlington has 211.

This list covers company matches for IT services consulting firms associated with Arlington, 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 27, 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 27, 2026 How this list was built

211Companies

7,288Contacts tracked

3,117Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest IT services consulting firms based in Arlington, United States

Ranked by team size

Top 25 of 211 company matches for IT services consulting firms based in Arlington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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	GTT	Exact match	Arlington, VA, United StatesHQ recorded Sep 27, 2026	1,001-5,000	2,933 contacts →
	Exact match “GTT is a leading networking and security as a service provider for multinational organizations, simply and securely connecting people and machines to data and applications –…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2	Eagle Hill Consulting	Exact match	Arlington, VA, United StatesHQ recorded Sep 27, 2026	201-500	337 contacts →
	Exact match “Unconventional, woman-owned, and award-winning-at Eagle Hill, we break away from the expected and apply the best tools and methodologies of larger consultancies in the nimble…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3	Redhorse Corporation	Exact match	Arlington, VA, United StatesHQ recorded Sep 27, 2026	201-500	287 contacts →
	Exact match “We want to improve the way government interacts with and uses data and technology.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4	DRT Strategies	Exact match	Arlington, VA, United StatesHQ recorded Sep 27, 2026	201-500	251 contacts →
	Exact match “DRT Strategies, Inc.(DRT) is an award-winning technology innovator and leading digital transformation partner to large federal agencies and commercial clients for nearly 20 years.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5	Falconwood, Incorporated	Exact match	Arlington, VA, United StatesHQ recorded Sep 27, 2026	201-500	237 contacts →
	Exact match “Falconwood is a veteran-owned, woman-owned business management and technology consulting firm headquartered in Arlington, Virginia.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6	Blue Altair	Exact match	Arlington, VA, United StatesHQ recorded Sep 27, 2026	201-500	205 contacts →
	Exact match “Blue Altair is a niche, industry-recognized business and technology consulting firm that assists our clients with digital transformations.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7	Legacy Grant Thornton Public Sector NOW Guidehouse	Exact match	Arlington, VA, United StatesHQ recorded Sep 27, 2026	10001+	178 contacts →
	Exact match “Guidehouse is a leading global provider of consulting services to the public sector and commercial markets, with broad capabilities in management, technology, and risk consulting.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8	Sprezzatura	Exact match	Arlington, VA, United StatesHQ recorded Sep 27, 2026	51-200	166 contacts →
	Exact match “Sprez·za·tu·ra (sprāt-tsä-ˈtü-rä) n.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9	Itech AG	Exact match	Arlington, VA, United StatesHQ recorded Sep 27, 2026	201-500	163 contacts →
	Exact match “iTech AG helps organizations streamline operations by transitioning legacy systems, processes, and workflows into modern platforms through innovative technology solutions.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10	Janbask	Exact match	Arlington, VA, United StatesHQ recorded Sep 27, 2026	201-500	137 contacts →
	Exact match “JanBask is a US-based AI and Technology Consulting company helping organizations accelerate digital transformation through Artificial Intelligence, Salesforce, Cloud, DevOps…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11	Tantus Technologies, INC	Exact match	Arlington, VA, United StatesHQ recorded Sep 27, 2026	51-200	131 contacts →
	Exact match “Tantus Tech is an IT consulting firm that supports mission-critical programs for federal agencies, specializing in PMO, Health IT, Financial Management, and Tech Solutions.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12	Pro-Telligent, LLC	Exact match	Arlington, VA, United StatesHQ recorded Sep 27, 2026	201-500	114 contacts →
	Exact match “PRO-telligent, LLC, founded in January of is a multi-disciplinary strategic consulting and technology company providing services to Civilian, Defense, and National Security…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13	Eglobaltech, A Tetra Tech Company	Exact match	Arlington, VA, United StatesHQ recorded Sep 27, 2026	51-200	113 contacts →
	Exact match “The most innovative solutions to the toughest customer challenges come from a diversity of ideas and insights.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14	Lynch Consultants	Exact match	Arlington, VA, United StatesHQ recorded Sep 27, 2026	51-200	92 contacts →
	Exact match “At Lynch, we are dedicated to protecting the financial integrity of the federal government while driving mission success, IT resilience, and operational efficiency.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15	EST Group	Exact match	Arlington, TX, United StatesHQ recorded Sep 27, 2026	51-200	88 contacts →
	Exact match “At EST Group, our motto is The best experience you will ever have with an IT consulting company, which is a pretty bold claim.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16	Segue Technologies	Exact match	Arlington, VA, United StatesHQ recorded Sep 27, 2026	51-200	80 contacts →
	Exact match “Segue Technologies is a wholly owned subsidiary of Tetra Tech, Inc.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17	ITG	Exact match	Arlington, VA, United StatesHQ recorded Sep 27, 2026	501-1,000	57 contacts →
	Exact match “Incentive Technology Group (ITG), now part of global consultancy ICF, is a unique, pure play digital consulting firm delivering IT system modernization and business transformation…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18	DAN Solutions	Exact match	Arlington, VA, United StatesHQ recorded Sep 27, 2026	51-200	42 contacts →
	Exact match “DAn Solutions specializes in systems integration solutions for a variety of business management operations.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19	ACI Solutions	Exact match	Arlington, VA, United StatesHQ recorded Sep 27, 2026	11-50	41 contacts →
	Exact match “ACI Solutions is a Secure Cloud and Managed Services Provider with U.S headquarters in Arlington, Virginia.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20	Primcorp, LLC	Exact match	Arlington, VA, United StatesHQ recorded Sep 27, 2026	11-50	40 contacts →
	Exact match “PrimCorp, LLC is an award-winning SBA 8(a) certified and Service Disabled Veteran Owned Small Business (SDVOSB) management consulting company certified through the Department of…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21	Clarendon Partners, LLC	Exact match	Arlington, VA, United StatesHQ recorded Sep 27, 2026	11-50	35 contacts →
	Exact match “Clarendon Partners is dedicated to shaping the future of operations through delivering innovations designed to fully benefit your digital transformation strategy.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22	SUN Management	Exact match	Arlington, VA, United StatesHQ recorded Sep 27, 2026	11-50	33 contacts →
	Exact match “Sun Management is a customer focused cybersecurity & advanced network solutions firm providing products and services that help solve your most difficult IT challenges.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23	Clango, INC	Exact match	Arlington, VA, United StatesHQ recorded Sep 27, 2026	51-200	32 contacts →
	Exact match “As a leading Identity Security and Enterprise Application Services consultancy, we enable organizations across the US to mitigate risks and maximize defenses around core identity…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24	Federal Working Group, INC	Exact match	Arlington, VA, United StatesHQ recorded Sep 27, 2026	51-200	30 contacts →
	Exact match “Federal Working Group has had the privilege of supporting achievement of important government agency mission objectives, since 2004.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25	HLINC	Exact match	Arlington, VA, United StatesHQ recorded Sep 27, 2026	11-50	27 contacts →
	Exact match “Big Business Capability from a Small Business HLinc delivers holistic solutions to our customers’ needs – we develop, integrate, and implement technological solutions, customized…” Recorded in the RevenueBase company graph · Sep 27, 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 services consulting firms”. 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 211 IT services consulting firms based in Arlington, United States

See the full list, filter by size, metro and specialty, and access 3,117 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

IT services consulting firms based in Arlington, United States at a glance

As of Sep 27, 2026

42.8%Verified-email coverage

34.5Average contacts per company

11-50Median size (employees)

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

100

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Email recency for this list is measured across the whole United States list rather than for Arlington, so it is reported there. Company counts and contact totals on this page are exact for Arlington, over 211 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 Arlington, United States whose business descriptions match “IT services consulting firms” 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 3,117 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 27, 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 services consulting firms 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 services consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT services consulting firms are there based in Arlington, United States?

RevenueBase identified 211 company matches for IT services consulting firms associated with Arlington, 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?

GTT 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 services consulting firms?

New York leads the United States with 1,398 company records, followed by Houston (870) and Atlanta (682). Arlington has 211.

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 3,117 professional contacts with verified work emails tracked across these 211 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 27, 2026.

Ready to reach these companies? Verified emails and direct dials for all 211 IT services consulting firms based in Arlington, United States. Start with a free account, no credit card.

Download this list →

Related lists

IT services consulting firms by geography

Browse the directory

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.