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.
The 25 largest govtech consulting firms based in Ashburn, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 338 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, 2026Thanks. The Data Team will review it. | |||||
| 2 | 50 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, 2026Thanks. The Data Team will review it. | |||||
| 3 | 49 contacts → | ||||
Indirect evidence “At Extend Information Systems (ExtendInfosys), we’re cognizant of shaping the future.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 47 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, 2026Thanks. The Data Team will review it. | |||||
| 5 | 38 contacts → | ||||
Partial evidence “Software Staffing and consulting Firm” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 36 contacts → | ||||
Indirect evidence “Your Strategic Technology Transformation Partner.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 31 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, 2026Thanks. The Data Team will review it. | |||||
| 8 | 30 contacts → | ||||
Indirect evidence “Systalex delivers secure, scalable, and intelligent solutions that empower organizations to achieve mission-driven outcomes.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 28 contacts → | ||||
Indirect evidence “Hello trailblazers!” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 21 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 19 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, 2026Thanks. The Data Team will review it. | |||||
| 12 | 18 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, 2026Thanks. The Data Team will review it. | |||||
| 13 | 12 contacts → | ||||
Partial evidence “Avail Solutions is a world-class technical consulting and solutions provider located in Northern Virginia.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 10 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, 2026Thanks. The Data Team will review it. | |||||
| 15 | 9 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, 2026Thanks. The Data Team will review it. | |||||
| 16 | 8 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, 2026Thanks. The Data Team will review it. | |||||
| 17 | 7 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, 2026Thanks. The Data Team will review it. | |||||
| 18 | 7 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, 2026Thanks. The Data Team will review it. | |||||
| 19 | 6 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 6 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, 2026Thanks. The Data Team will review it. | |||||
| 21 | 5 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, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 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, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2 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, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2 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, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2 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, 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: govtech consulting firms. 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 govtech consulting firms.
- Partial evidence
- Its own public description names part of govtech consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name govtech consulting firms. 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 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, 2026Companies by employee count
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
- Govtech consulting firms in Washington261
- Govtech consulting firms in New York214
- Govtech consulting firms in Atlanta149
- Govtech consulting firms in Houston138
- Govtech consulting firms in Dallas130
- Govtech consulting firms in Reston127
- Govtech consulting firms in Austin123
- Govtech consulting firms in Chicago121
- Govtech consulting firms in Arlington92
- Govtech consulting firms in Miami92
- Govtech consulting firms in Mclean78
- Govtech consulting firms in Herndon76
- Govtech consulting firms in Fairfax72
- Govtech consulting firms in Alexandria71
- Govtech consulting firms in Los Angeles71
- Govtech consulting firms in San Francisco71
- Govtech consulting firms in Vienna70
- Govtech consulting firms in Boston63
- Govtech consulting firms in Plano63
- Govtech consulting firms in Seattle55
- Govtech consulting firms in Rockville54
- Govtech consulting firms in Sacramento52
- Govtech consulting firms in San Diego52
- Govtech consulting firms in Denver51
- Govtech consulting firms in Leesburg50
- Govtech consulting firms in Irvine49
- Govtech consulting firms in Charlotte48
- Govtech consulting firms in Tampa48
- Govtech consulting firms in Columbia47
- Govtech consulting firms in Irving45
- Govtech consulting firms in Baltimore44
- Govtech consulting firms in Frisco43
- Govtech consulting firms in Chantilly42
- Govtech consulting firms in Alpharetta40
- Govtech consulting firms in Orlando40
- Govtech consulting firms in Wilmington39
- Govtech consulting firms in Minneapolis36
- Govtech consulting firms in Bethesda35
- Govtech consulting firms in San Antonio35
- Govtech consulting firms in Columbus32
- Govtech consulting firms in Portland31
- Govtech consulting firms in Richmond31
- Govtech consulting firms in Falls Church28
- Govtech consulting firms in Indianapolis28
- Govtech consulting firms in Newark28
- Govtech consulting firms in Raleigh27
- Govtech consulting firms in Jacksonville26
- Govtech consulting firms in Silver Spring26
- Govtech consulting firms in Las Vegas25
- Govtech consulting firms in Phoenix25
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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Govtech consulting firms by geography
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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.
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