Company lists · Data refreshed September 2026

Top 25 Govtech consulting firms based in Ashburn, United States

RevenueBase identified 61 govtech consulting firms headquartered in Ashburn, United States as of September 2026 and tracks 905 professional contacts across them, including 274 with verified work emails. Across the United States, Washington is the largest hub for this category (261 companies); Ashburn has 61.

This list covers govtech consulting firms headquartered in Ashburn, United States, 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 28, 2026.

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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
61Companies
905Contacts tracked
274Verified emails
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The 25 largest govtech consulting firms based in Ashburn, United States

Ranked by team size
Top 25 of 61 govtech consulting firms based in Ashburn, United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to govtech consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceAshburn, VA, United StatesHQ checked Sep 28, 2026501-1,000338 contacts →

Partial evidence

“Zillion Technologies, Inc.(Zillion) provides global expertise in innovative technology, services, and consulting that helps our clients to reach beyond what they think is possible.”

Source: RevenueBase Database · checked Sep 28, 2026
2Indirect evidenceAshburn, VA, United StatesHQ checked Sep 28, 202651-20050 contacts →

Indirect evidence

“At InquisIT, we believe the business of government is vital to our nation and demands the highest caliber of contractor services.”

Source: RevenueBase Database · checked Sep 28, 2026
3Indirect evidenceAshburn, VA, United StatesHQ checked Sep 28, 202651-20049 contacts →

Indirect evidence

“At Extend Information Systems (ExtendInfosys), we’re cognizant of shaping the future.”

Source: RevenueBase Database · checked Sep 28, 2026
4Partial evidenceAshburn, VA, United StatesHQ checked Sep 28, 202611-5047 contacts →

Partial evidence

“DotGov Solutions, LLC (formerly Alfa XP Web Software, LLC) is a full-service e-government consulting company providing organizational analysis, process improvement, and custom…”

Source: RevenueBase Database · checked Sep 28, 2026
5Partial evidenceAshburn, United StatesHQ checked Sep 28, 202651-20038 contacts →

Partial evidence

“Software Staffing and consulting Firm”

Source: RevenueBase Database · checked Sep 28, 2026
6Indirect evidenceAshburn, VA, United StatesHQ checked Sep 28, 202611-5036 contacts →

Indirect evidence

“Your Strategic Technology Transformation Partner.”

Source: RevenueBase Database · checked Sep 28, 2026
7Partial evidenceAshburn, VA, United StatesHQ checked Sep 28, 202651-20031 contacts →

Partial evidence

“At IStream we provide strategic IT Consulting, Staffing, Training and Business Information Technology solutions by putting right expertise with focus on best practices, organizing…”

Source: RevenueBase Database · checked Sep 28, 2026
8Indirect evidenceAshburn, VA, United StatesHQ checked Sep 28, 202611-5030 contacts →

Indirect evidence

“Systalex delivers secure, scalable, and intelligent solutions that empower organizations to achieve mission-driven outcomes.”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceAshburn, VA, United StatesHQ checked Sep 28, 202651-20028 contacts →

Indirect evidence

“Hello trailblazers!”

Source: RevenueBase Database · checked Sep 28, 2026
10Indirect evidenceAshburn, VA, United StatesHQ checked Sep 28, 202611-5021 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 28, 2026
11Partial evidenceAshburn, VA, United StatesHQ checked Sep 28, 202611-5019 contacts →

Partial evidence

“Red Rock is a strategic solutions and consulting firm, offering a wide array of services and strategy to our government and commercial customers.”

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceAshburn, VA, United StatesHQ checked Sep 28, 20261-1018 contacts →

Indirect evidence

“Kollabio is an innovative digital startup that provides digital transformation solutions and services to the Federal Government and commercial organizations.”

Source: RevenueBase Database · checked Sep 28, 2026
13Partial evidenceAshburn, VA, United StatesHQ checked Sep 28, 202611-5012 contacts →

Partial evidence

“Avail Solutions is a world-class technical consulting and solutions provider located in Northern Virginia.”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceAshburn, VA, United StatesHQ checked Sep 28, 202611-5010 contacts →

Indirect evidence

“Diamond provides outstanding results for our clients, with a focus on integrated, flexible, and economical solutions that meet business objectives.”

Source: RevenueBase Database · checked Sep 28, 2026
15Indirect evidenceAshburn, VA, United StatesHQ checked Sep 28, 202611-509 contacts →

Indirect evidence

“At S Square, we're more than just an IT solutions provider; we're your strategic partner in digital evolution with a human-centric design approach.”

Source: RevenueBase Database · checked Sep 28, 2026
16Partial evidenceAshburn, VA, United StatesHQ checked Sep 28, 202611-508 contacts →

Partial evidence

“emerjence LLC is a Small Disadvantaged Business (SDB) providing comprehensive IT consulting services to US Federal clients, including Health and Human Services (HHS), the…”

Source: RevenueBase Database · checked Sep 28, 2026
17Partial evidenceAshburn, VA, United StatesHQ checked Sep 28, 20261-107 contacts →

Partial evidence

“Capa City Consulting is a leading service provider of IT infrastructure services in the metropolitan Washington D.C.”

Source: RevenueBase Database · checked Sep 28, 2026
18Partial evidenceAshburn, VA, United StatesHQ checked Sep 28, 202651-2007 contacts →

Partial evidence

“Smart Synergies, Inc.(SSI) is a technology and business services consulting firm specializing in Business & IT Consulting Services and Strategic Sourcing Solutions to Government &…”

Source: RevenueBase Database · checked Sep 28, 2026
19Indirect evidenceAshburn, VA, United StatesHQ checked Sep 28, 20261-106 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 28, 2026
20Partial evidenceAshburn, VA, United StatesHQ checked Sep 28, 20261-106 contacts →

Partial evidence

“Strategic-to-Tactical Growth, Innovation, Mission / IT & Management / Consulting & Advisory {especially AI / ML, Geospatial, Cloud, Cybersecurity, DevOps, & Software Engineering}…”

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceAshburn, VA, United StatesHQ checked Sep 28, 20261-105 contacts →

Indirect evidence

“At FedStrong, our mission is to empower federal government agencies with innovative business and technology solutions that drive efficiency, enhance process efficiencies and…”

Source: RevenueBase Database · checked Sep 28, 2026
22Indirect evidenceAshburn, VA, United StatesHQ checked Sep 28, 20261-103 contacts →

Indirect evidence

“EA3 Global is a dynamic leader in delivering strategic business solutions that drive operational excellence across government and commercial sectors.”

Source: RevenueBase Database · checked Sep 28, 2026
23Indirect evidenceAshburn, VA, United StatesHQ checked Sep 28, 20261-102 contacts →

Indirect evidence

“Cellentia Information Technology Company was established and founded in 2015 by a team of professionals who bring a wealth of practical and hands-on Information Technology…”

Source: RevenueBase Database · checked Sep 28, 2026
24Indirect evidenceAshburn, VA, United StatesHQ checked Sep 28, 20261-102 contacts →

Indirect evidence

“Ollivian Technologies, LLC is a SBA Certified Economically Disadvantaged Woman Owned Small Business (EDWOSB) owned and operated by a minority woman.”

Source: RevenueBase Database · checked Sep 28, 2026
25Indirect evidenceAshburn, VA, United StatesHQ checked Sep 28, 20261-102 contacts →

Indirect evidence

“Infintech, a Ravi B CPA Company, is an 8(a) certified, minority owned small business, located in Washington Metropolitan area.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 61 govtech consulting firms based in Ashburn, United States

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Govtech consulting firms based in Ashburn, United States at a glance

As of Sep 28, 2026
30.3%Verified-email coverage
14.8Average contacts per company
11-50Median size (employees)
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
27
11-50
21
51-200
12
501-1,000
1

Email recency for this list is measured across the whole United States list rather than for Ashburn, so it is reported there. Company counts and contact totals on this page are exact for Ashburn, over 61 companies.

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 govtech consulting firms, 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.
What qualifies
Companies headquartered in Ashburn, United States whose own description of what they do matches “govtech consulting firms”. 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 govtech consulting firms), 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 govtech consulting firms, and records with no verified work email. Companies headquartered outside Ashburn are excluded even when they keep an office there.
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, 274 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 28, 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.

Govtech consulting firms by metro in the United States

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 govtech consulting firms, 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 govtech consulting firms are there based in Ashburn, United States?

RevenueBase identified 61 govtech consulting firms headquartered in Ashburn, United States 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?

Zillion Technologies, INC, headquartered in Ashburn, tops this list with the largest team on record.

Which city in the United States has the most govtech consulting firms?

Washington leads the United States with 261 headquartered companies, followed by New York (214) and Atlanta (149). Ashburn has 61.

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 274 verified decision-maker contacts tracked across these 61 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 28, 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.