Company lists · Data refreshed September 2026

Top 25 Data breach response consultants based in Washington, United States

RevenueBase identified 57 data breach response consultants headquartered in Washington, United States as of September 2026 and tracks 356 professional contacts across them, including 166 with verified work emails. New York is the largest hub.

This list covers data breach response consultants headquartered in Washington, 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 19, 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 19, 2026 86% judged on-target in blind review
57Companies
356Contacts tracked
166Verified emails
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The 25 largest data breach response consultants based in Washington, United States

Ranked by team size
Top 25 of 57 data breach response consultants based in Washington, United States, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to data breach response consultants: 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
1Indirect evidenceWashington, DC, United StatesHQ checked Sep 19, 202651-200100 contacts →

Indirect evidence

“Arlo Solutions (Arlo), is a Washington, DC professional services company, providing cybersecurity and management consulting services to the US government in the defense…”

Source: RevenueBase Database · checked Sep 19, 2026
2Partial evidenceWashington, DC, United StatesHQ checked Sep 19, 202651-20055 contacts →

Partial evidence

“VeraSafe’s mission is to provide the world’s best privacy and data protection advice, with a human touch.”

Source: RevenueBase Database · checked Sep 19, 2026
3Indirect evidenceWashington, DC, United StatesHQ checked Sep 19, 202611-5024 contacts →

Indirect evidence

“Good Harbor Security Risk Management, LLC advises Boards, CEOs, CISOs and other corporate executives, investment professionals, and government leaders on managing cyber risk.”

Source: RevenueBase Database · checked Sep 19, 2026
4Indirect evidenceWashington, DC, United StatesHQ checked Sep 19, 202611-5016 contacts →

Indirect evidence

“Keeping your operations moving and your network secure is our priority because we know that’s your priority.”

Source: RevenueBase Database · checked Sep 19, 2026
5Indirect evidenceWashington, DC, United StatesHQ checked Sep 19, 202611-5016 contacts →

Indirect evidence

“The Efiia Group delivers cybersecurity solutions for Government.”

Source: RevenueBase Database · checked Sep 19, 2026
6Indirect evidenceWashington, DC, United StatesHQ checked Sep 19, 202611-5010 contacts →

Indirect evidence

“InGuardians, Inc is an independent information security consulting company based in Washington D.C.”

Source: RevenueBase Database · checked Sep 19, 2026
7Indirect evidenceWashington, United StatesHQ checked Sep 19, 202611-508 contacts →

Indirect evidence

“Apavo is a mission-driven cybersecurity firm specializing in compliance-heavy security execution and operational security support for DoD and Intelligence Community environments.”

Source: RevenueBase Database · checked Sep 19, 2026
8Indirect evidenceWashington, DC, United StatesHQ checked Sep 19, 202611-507 contacts →

Indirect evidence

“Annuk Incorporated is a Cybersecurity and Technology consulting services and solutions company.”

Source: RevenueBase Database · checked Sep 19, 2026
9Indirect evidenceWashington, DC, United StatesHQ checked Sep 19, 202611-507 contacts →

Indirect evidence

“TPS Cyber provides Information Security Professional services focused on outcomes that Promote Business and Protect your Brand.”

Source: RevenueBase Database · checked Sep 19, 2026
10Indirect evidenceWashington, DC, United StatesHQ checked Sep 19, 202611-506 contacts →

Indirect evidence

“CyberAssure provides expert cybersecurity services to public and private sector organizations of every size to assure effective information security governance, risk management…”

Source: RevenueBase Database · checked Sep 19, 2026
11Indirect evidenceWashington, DC, United StatesHQ checked Sep 19, 20261-105 contacts →

Indirect evidence

“We are a team of passionate professionals who are dedicated to helping businesses thrive in today’s digital landscape.”

Source: RevenueBase Database · checked Sep 19, 2026
12Indirect evidenceWashington, DC, United StatesHQ checked Sep 19, 202611-505 contacts →

Indirect evidence

“CloudByte Group is a managed IT and cybersecurity firm headquartered in McLean, Virginia.”

Source: RevenueBase Database · checked Sep 19, 2026
13Indirect evidenceWashington, DC, United StatesHQ checked Sep 19, 20261-105 contacts →

Indirect evidence

“Raj Ferber PLLC is a Washington, D.C-based boutique law firm that helps companies prepare for, manage, and recover from cybersecurity incidents and other business compromise risks.”

Source: RevenueBase Database · checked Sep 19, 2026
14Indirect evidenceWashington, DC, United StatesHQ checked Sep 19, 202611-505 contacts →

Indirect evidence

“Wilson Consulting Group is an innovative global cybersecurity consulting firm headquartered in Washington D.C, with a European office in London, England.”

Source: RevenueBase Database · checked Sep 19, 2026
15Indirect evidenceWashington, United StatesHQ checked Sep 19, 202651-2004 contacts →

Indirect evidence

“Calano & Associates, Inc.”

Source: RevenueBase Database · checked Sep 19, 2026
16Indirect evidenceWashington, DC, United StatesHQ checked Sep 19, 202611-504 contacts →

Indirect evidence

“Leading the way to redesigning cyber security program and risk management with legal-regulatory cross-functional strategic risk-based solutions.”

Source: RevenueBase Database · checked Sep 19, 2026
17Partial evidenceWashington, DC, United StatesHQ checked Sep 19, 202611-503 contacts →

Partial evidence

“principia/RAID was founded with a single mission: Help our clients be their most successful, creative, ground-breaking and big-picture selves without having to worry about the…”

Source: RevenueBase Database · checked Sep 19, 2026
18Indirect evidenceWashington, United StatesHQ checked Sep 19, 202611-502 contacts →

Indirect evidence

“Cyber Security Firm”

Source: RevenueBase Database · checked Sep 19, 2026
19Indirect evidenceWashington, DC, United StatesHQ checked Sep 19, 20261-101 contacts →

Indirect evidence

“The JMB Consulting Group, LLC is a Native American and woman-owned small business based in the District of Columbia, Maryland, and Virginia started by a Certified Information…”

Source: RevenueBase Database · checked Sep 19, 2026
20Indirect evidenceWashington, DC, United StatesHQ checked Sep 19, 20261-101 contacts →

Indirect evidence

“Trafford Security is a leading provider of comprehensive cybersecurity services from cutting edge network penetration testing to web application security.”

Source: RevenueBase Database · checked Sep 19, 2026
21Indirect evidenceWashington, DC, United StatesHQ checked Sep 19, 20261-101 contacts →

Indirect evidence

“Stop losing Enterprise deals to 500-row security questionnaires.”

Source: RevenueBase Database · checked Sep 19, 2026
22Indirect evidenceWashington, DC, United StatesHQ checked Sep 19, 20261-101 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
23Indirect evidenceWashington, DC, United StatesHQ checked Sep 19, 20261-101 contacts →

Indirect evidence

“For any company that finds U.S.”

Source: RevenueBase Database · checked Sep 19, 2026
24Indirect evidenceWashington, DC, United StatesHQ checked Sep 19, 20261-101 contacts →

Indirect evidence

“Human behavior continues to be the single most important factor in great cyber hygiene.”

Source: RevenueBase Database · checked Sep 19, 2026
25Partial evidenceWashington, DC, United StatesHQ checked Sep 19, 20261-101 contacts →

Partial evidence

“The average cybersecurity breach costs U.S.”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 57 data breach response consultants based in Washington, United States

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Data breach response consultants based in Washington, United States at a glance

As of Sep 19, 2026
46.6%Verified-email coverage
6.2Average contacts per company
1-10Median size (employees)
135.1%Largest-city concentration · New York
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
32
11-50
20
51-200
5

Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 57 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 data breach response consultants, 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 Washington, United States whose own description of what they do matches “data breach response consultants”. 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 data breach response consultants), 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 data breach response consultants, and records with no verified work email. Companies headquartered outside Washington 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, 166 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 19, 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.

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 data breach response consultants, 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 data breach response consultants are there based in Washington, United States?

RevenueBase identified 57 data breach response consultants headquartered in Washington, 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?

Arlo Solutions, headquartered in Washington, tops this list with the largest team on record.

Which city has the most data breach response consultants?

New York leads with 77 headquartered companies, followed by Atlanta (70) and Washington (57).

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 166 verified decision-maker contacts tracked across these 57 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 19, 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.