Company lists · Data refreshed September 2026

Top 25 Cybersecurity consultancies based in Philadelphia, United States

RevenueBase identified 64 company matches for cybersecurity consultancies associated with Philadelphia, United States as of September 2026 and tracks 8,897 professional contacts across them, including 4,312 with verified work emails. Across the United States, New York is the largest hub for this category (639 companies); Philadelphia has 64.

This list covers company matches for cybersecurity consultancies associated with Philadelphia, 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 24, 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 24, 2026 How this list was built
64Companies
8,897Contacts tracked
4,312Verified emails
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The 25 largest cybersecurity consultancies based in Philadelphia, United States

Ranked by team size
Top 25 of 64 company matches for cybersecurity consultancies based in Philadelphia, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 24, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 24, 202610001+8,242 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
2Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 24, 2026201-500315 contacts →

Exact match

“We deliver cybersecurity consulting, 24x7 operations and SaaS to leading companies in the Financial Services, Healthcare, Pharmaceuticals, Technology and Retail industries.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
3Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 24, 202651-20040 contacts →

Exact match

“IBB Consulting joined Accenture Strategy in October 2017.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
4Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 24, 202651-20031 contacts →

Exact match

“Ingage Security provides outstanding Unarmed and Armed Security Guard Services across the following sectors: I.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
5Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 24, 202611-5025 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
6Exact matchPhiladelphia, United StatesHQ recorded Sep 24, 202611-5023 contacts →

Exact match

“Transforming IT and Cybersecurity Services for Digital Innovation CSM International LLC is a Service Disabled Veteran-owned and operated LLC focused on providing consulting and…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
7Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 24, 202611-5023 contacts →

Exact match

“Clone Systems is a global leader in cybersecurity, specializing in PCI DSS compliance and managed security services.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
8Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 24, 202611-5022 contacts →

Exact match

“COSECURE, an ancillary business of Cozen O'Connor, is a national security consulting firm dedicated to building safer workplaces, communities, and schools through risk…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
9Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 24, 202611-5015 contacts →

Exact match

“Total Technology Resources is a full service information technology company that specializes in helping businesses use technology more efficiently.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
10Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 24, 20261-1010 contacts →

Exact match

“At SeedPod Cyber, we offer unique insurance programs focused on cyber insurance and Tech E&O.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
11Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 24, 202611-508 contacts →

Exact match

“Kolins Security Group is a team of nationally recognized, court-certified physical security experts.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
12Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 24, 202611-507 contacts →

Exact match

“4A Security & Compliance (4A) employs a risk management approach to information security and compliance services from security risk assessment, vulnerability assessment…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
13Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 24, 20261-107 contacts →

Exact match

“Silhouette Consulting offers world class Litigation Support, Computer Forensics, Network Intrusion, and Risk Management services to its clients.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
14Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 24, 20261-106 contacts →

Exact match

“HostBreach delivers external threat intelligence that shows organizations what attackers already know about them.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
15Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 24, 20261-105 contacts →

Exact match

“Helping small businesses & minority-owned companies stay secure & compliant | CMMC | SOC2 | HIPAA | Fractional Compliance Officer | Philadelphia I didn't plan on becoming a…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
16Exact matchPhiladelphia, United StatesHQ recorded Sep 24, 202611-504 contacts →

Exact match

“MasterTel USA is a nationwide I.T.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
17Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 24, 20261-104 contacts →

Exact match

“Accounting and Business Consultants, LLC is a specialized consulting firm providing accounting, internal control, compliance, and auditing related services in the Greater…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
18Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 24, 20261-103 contacts →

Exact match

“Cybersecurity leaders around the world depend on PeerWise as a central news hub to their work, a source of connection to their peers, and pragmatic, actionable research on the…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
19Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 24, 20261-103 contacts →

Exact match

“Elevate your business with Moore Tech Guru, where innovation meets excellence in IT solutions.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
20Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 24, 20261-102 contacts →

Exact match

“Experience matters.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
21Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 24, 20261-102 contacts →

Exact match

“Solving Digital has extensive experience in developing enterprise software with cybersecurity at the forefront of the efforts.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
22Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 24, 202611-501 contacts →

Exact match

“Markus Alliance: Securing Your Digital World We are dedicated to providing the most comprehensive cybersecurity services available, with a particular emphasis on penetration…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
23Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 24, 20261-101 contacts →

Exact match

“Helping high-performing companies apply pragmatic cybersecurity solutions by assessing the effectiveness of security controls, processes, teams, and technology and recommending…”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
24Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 24, 20261-101 contacts →

Exact match

“Danger Close is there to solve your Cyber Security needs.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
25Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 24, 20261-101 contacts →

Exact match

“We make organizations more trusted, resilient and valuable, with strategies and tactics that improve cybersecurity, privacy and regulatory compliance, and risk management.”

Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase

Showing 25 of 64 cybersecurity consultancies based in Philadelphia, United States

See the full list, filter by size, metro and specialty, and access 4,312 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity consultancies based in Philadelphia, United States at a glance

As of Sep 24, 2026
48.5%Verified-email coverage
139.0Average contacts per company
1-10Median size (employees)
Sep 24, 2026Page data refreshed

Companies by employee count

1-10
38
11-50
20
51-200
2
201-500
2
1,001-5,000
1
10001+
1

Email recency for this list is measured across the whole United States list rather than for Philadelphia, so it is reported there. Company counts and contact totals on this page are exact for Philadelphia, over 64 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 Philadelphia, United States whose business descriptions match “cybersecurity consultancies” 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 4,312 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 24, 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.

Cybersecurity consultancies 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 “cybersecurity consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity consultancies are there based in Philadelphia, United States?

RevenueBase identified 64 company matches for cybersecurity consultancies associated with Philadelphia, 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?

Comcast Business 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 cybersecurity consultancies?

New York leads the United States with 639 company records, followed by Washington (366) and Houston (303). Philadelphia has 64.

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 4,312 professional contacts with verified work emails tracked across these 64 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 24, 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.