Company lists · Data refreshed September 2026

Top 25 IT consultancy companies based in Mclean, United States

Name: IT consultancy companies based in Mclean, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 26, 2026 70 companies tracked

RevenueBase identified 70 company matches for IT consultancy companies associated with Mclean, United States as of September 2026 and tracks 14,382 professional contacts across them, including 6,353 with verified work emails. Across the United States, New York is the largest hub for this category (704 companies); Mclean has 70.

This list covers company matches for IT consultancy companies associated with Mclean, 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 26, 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 26, 2026 How this list was built

70Companies

14,382Contacts tracked

6,353Verified emails

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The 25 largest IT consultancy companies based in Mclean, United States

Ranked by team size

Top 25 of 70 company matches for IT consultancy companies based in Mclean, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 26, 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	Guidehouse	Exact match	Mclean, VA, United StatesHQ recorded Sep 26, 2026	10001+	12,815 contacts →
	Exact match “Guidehouse is a global AI-led professional services firm delivering advisory, technology, and managed services to the commercial and government sectors.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
2	Validatek, INC	Exact match	Mclean, VA, United StatesHQ recorded Sep 26, 2026	201-500	224 contacts →
	Exact match “ValidaTek is a premier government IT consulting firm based in the Washington DC area that drives technology transformation and secures mission-critical systems for our federal…” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
3	ARG - IT Clarity	Exact match	Mclean, VA, United StatesHQ recorded Sep 26, 2026	51-200	204 contacts →
	Exact match “Since 1991, ARG has helped more than companies protect their business and save up to 40 percent on technology spending by making the right choice when it comes to technology…” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
4	Bart & Associates, INC	Exact match	Mclean, VA, United StatesHQ recorded Sep 26, 2026	1,001-5,000	187 contacts →
	Exact match “Headquartered in McLean, Va, B&A is a leading information technology systems integrator providing solutions through the following service offerings: Modernization &…” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
5	Princeton Information	Exact match	Mclean, VA, United StatesHQ recorded Sep 26, 2026	1,001-5,000	157 contacts →
	Exact match “Princeton Information is one of the nation's top privately-held IT consulting and solutions firms, in business since 1985.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
6	Saliense	Exact match	Mclean, VA, United StatesHQ recorded Sep 26, 2026	51-200	107 contacts →
	Exact match “Saliense is a high-end Technology Solutions provider based out of Tysons Corner, VA.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
7	Eway Corp	Exact match	Mclean, VA, United StatesHQ recorded Sep 26, 2026	51-200	62 contacts →
	Exact match “eWay Corp is a global IT Consulting company with a simple motto: Forward.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
8	Technology Ventures	Exact match	Mclean, VA, United StatesHQ recorded Sep 26, 2026	201-500	54 contacts →
	Exact match “Technology Ventures is a leading technology services company delivering a broad portfolio of business and technology solutions and staffing to help its clients improve their…” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
9	Omnisystems, INC	Exact match	Mclean, VA, United StatesHQ recorded Sep 26, 2026	51-200	53 contacts →
	Exact match “OmniSystems delivers state-of-the-art solutions, specializing in the development and integration of web-enabled systems.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
10	Mfgs, INC	Exact match	Mclean, VA, United StatesHQ recorded Sep 26, 2026	201-500	47 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
11	Main Digital	Exact match	Mclean, VA, United StatesHQ recorded Sep 26, 2026	11-50	47 contacts →
	Exact match “Main Digital is a consultancy that transforms and optimizes business and government.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
12	Millsapps, Ballinger & Associates Mb&a	Exact match	Mclean, VA, United StatesHQ recorded Sep 26, 2026	11-50	44 contacts →
	Exact match “Millsapps, Ballinger & Associates (MB & A) is a full life cycle management consulting company focusing on helping organizations achieve their goals and increase organizational…” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
13	Artemis Consulting	Exact match	Mclean, VA, United StatesHQ recorded Sep 26, 2026	501-1,000	39 contacts →
	Exact match “Artemis Consulting, a wholly owned subsidiary of ARETUM, is an IT Services and Management Consulting firm in the Washington D.C.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
14	Rvna Technologies	Exact match	Mclean, VA, United StatesHQ recorded Sep 26, 2026	11-50	38 contacts →
	Exact match “RVNA Tech is an international technology company focused on advising on process improvement based on best practices and high-growth & emerging cloud solutions proven to drive…” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
15	Leading Path Consulting	Exact match	Mclean, VA, United StatesHQ recorded Sep 26, 2026	51-200	28 contacts →
	Exact match “Leading Path is an award-winning, minority, woman-owned (NMSDC / MBE) technology consulting company that brings our clients top talent and creative solutions.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
16	Gbti Solutions	Exact match	Mclean, VA, United StatesHQ recorded Sep 26, 2026	11-50	22 contacts →
	Exact match “GBTI Solutions, Inc.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
17	Skysoft INC	Exact match	Mclean, VA, United StatesHQ recorded Sep 26, 2026	11-50	17 contacts →
	Exact match “SkySoft, INC is a Small, Women-owned and Minority-owned Business (SWaM) certified company based in VA and we are in Information Technology & Management Consultancy founded by Team…” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
18	Technalink	Exact match	Mclean, VA, United StatesHQ recorded Sep 26, 2026	51-200	16 contacts →
	Exact match “TechnaLink is a leading woman- and minority-owned IT services and management consulting provider located in the Washington, DC, area.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
19	Business Performance Systems	Exact match	Mclean, VA, United StatesHQ recorded Sep 26, 2026	11-50	15 contacts →
	Exact match “Business Performance Systems (BPS) is a small business specializing in the practical application of technology to help teams and organizations perform to their full potential.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
20	Benel Solutions	Exact match	Mclean, VA, United StatesHQ recorded Sep 26, 2026	11-50	13 contacts →
	Exact match “IT solutions company focused on software strategy, consulting and development.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
21	Nuvologic Consulting	Exact match	Mclean, VA, United StatesHQ recorded Sep 26, 2026	11-50	11 contacts →
	Exact match “NuvoLogic Consulting focuses on financial management and information technology solutions for private and public sector clients.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
22	Occam Solutions, INC	Exact match	Mclean, VA, United StatesHQ recorded Sep 26, 2026	51-200	11 contacts →
	Exact match “Occam Solutions is a leading provider of consulting system integration, and mission support services.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
23	Cygnus Consulting LLC	Exact match	Mclean, VA, United StatesHQ recorded Sep 26, 2026	11-50	7 contacts →
	Exact match “At Cygnus Consulting, we specialize in a broad spectrum of services, each crafted to meet the unique needs of our clients.” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
24	Opus Group, LLC	Exact match	Mclean, VA, United StatesHQ recorded Sep 26, 2026	51-200	5 contacts →
	Exact match “Opus Group, LLC is an award-winning Small Business Administration (SBA) certified 8(a) firm that provides management and technology consulting services in the areas of customer…” Recorded in the RevenueBase company graph · Sep 26, 2026 · View company records in RevenueBase
25	Directus Consulting	Exact match	Mclean, VA, United StatesHQ recorded Sep 26, 2026	11-50	5 contacts →
	Exact match “Directus Consulting is small technolgy consulting firm serving the Washington DC metro area.” Recorded in the RevenueBase company graph · Sep 26, 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 consultancy 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 70 IT consultancy companies based in Mclean, United States

See the full list, filter by size, metro and specialty, and access 6,353 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT consultancy companies based in Mclean, United States at a glance

As of Sep 26, 2026

44.2%Verified-email coverage

205.5Average contacts per company

11-50Median size (employees)

Sep 26, 2026Page data refreshed

Companies by employee count

1-10

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 Mclean, so it is reported there. Company counts and contact totals on this page are exact for Mclean, over 70 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 Mclean, United States whose business descriptions match “IT consultancy 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 6,353 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 26, 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 consultancy 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 “IT consultancy companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT consultancy companies are there based in Mclean, United States?

RevenueBase identified 70 company matches for IT consultancy companies associated with Mclean, 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?

Guidehouse 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 consultancy companies?

New York leads the United States with 704 company records, followed by Houston (470) and Dallas (367). Mclean has 70.

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 6,353 professional contacts with verified work emails tracked across these 70 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 26, 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.