Company lists · Data refreshed September 2026

Top 25 Cybersecurity transformation services worldwide

RevenueBase identified 29,554 cybersecurity transformation services worldwide as of September 2026 and tracks 828,322 professional contacts across them, including 237,956 with verified work emails. The United States is the largest market and London the largest hub.

This list covers cybersecurity transformation services worldwide, 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. Country and city lists for cybersecurity transformation services follow the table.

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
29,554Companies
828,322Contacts tracked
237,956Verified emails
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The 25 largest cybersecurity transformation services worldwide

Ranked by team size
Top 25 of 29,554 cybersecurity transformation services worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to cybersecurity transformation services: 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 evidenceAshburn, VA, United StatesHQ checked Sep 28, 202610001+82,768 contacts →

Indirect evidence

“DXC Technology helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability…”

Source: RevenueBase Database · checked Sep 28, 2026
2Partial evidence95877 Bezons, FranceHQ checked Sep 28, 202610001+82,557 contacts →

Partial evidence

“Atos Group is a global leader in digital transformation with c.”

Source: RevenueBase Database · checked Sep 28, 2026
3Indirect evidenceParis, FranceHQ checked Sep 28, 202610001+25,395 contacts →

Indirect evidence

“In a world that never stands still, possibility is everywhere.”

Source: RevenueBase Database · checked Sep 28, 2026
4Partial evidenceSanta Clara, CA, United StatesHQ checked Sep 28, 202610001+18,431 contacts →

Partial evidence

“Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate.”

Source: RevenueBase Database · checked Sep 28, 2026
5Indirect evidenceSunnyvale, CA, United StatesHQ checked Sep 28, 202610001+14,289 contacts →

Indirect evidence

“Fortinet makes possible a digital world that we can always trust through its mission to protect people, devices, and data everywhere.”

Source: RevenueBase Database · checked Sep 28, 2026
6Indirect evidenceChandler, AZ, United StatesHQ checked Sep 28, 202610001+12,899 contacts →

Indirect evidence

“Insight Enterprises, Inc.”

Source: RevenueBase Database · checked Sep 28, 2026
7Indirect evidenceUnited StatesHQ checked Sep 28, 2026n/a12,771 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 28, 2026
8Indirect evidenceGlen Allen, VA, United StatesHQ checked Sep 28, 20261,001-5,00012,231 contacts →

Indirect evidence

“Everforth Apex Systems, part of the Everforth ™ Network, is a leading global technology services company specializing in customizable industry-specific solutions that turns…”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceMandaluyong, PhilippinesHQ checked Sep 28, 202610001+11,174 contacts →

Indirect evidence

“Accenture is a leading global professional services company that helps the world’s leading businesses, governments and other organizations build their digital core, optimize their…”

Source: RevenueBase Database · checked Sep 28, 2026
10Partial evidenceSan Jose, CA, United StatesHQ checked Sep 28, 202610001+11,169 contacts →

Partial evidence

“Your backstage pass to the most epic cybersecurity solutions on the market for Endpoint, Network, Data and Cloud security.”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceBengaluru, IndiaHQ checked Sep 28, 20265,001-10,0005,711 contacts →

Indirect evidence

“Happiest Minds Technologies Limited (BSE, NSE: HAPPSTMNDS) is an AI First, customer-centric digital engineering company committed to delivering ‘Happiest People.”

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceBirmingham, FranceHQ checked Sep 28, 20265,001-10,0005,460 contacts →

Indirect evidence

“SCC unleashes the potential of IT for global businesses, as one of Europe’s largest independent IT groups.”

Source: RevenueBase Database · checked Sep 28, 2026
13Partial evidenceAbingdon, United KingdomHQ checked Sep 28, 20265,001-10,0004,925 contacts →

Partial evidence

“Sophos is a cybersecurity leader defending organizations globally with an AI-driven platform and expert-led services.”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceShatin, Hong KongHQ checked Sep 28, 20261,001-5,0004,078 contacts →

Indirect evidence

“Established in 1973, ASL (HKEX: 771) accelerates the success of leading organizations by building a bridge connecting innovative technology to the business environment.”

Source: RevenueBase Database · checked Sep 28, 2026
15Partial evidenceNanterre, FranceHQ checked Sep 28, 20261,001-5,0003,673 contacts →

Partial evidence

“Orange Cyberdefense is the expert cybersecurity business unit of the Orange Group.”

Source: RevenueBase Database · checked Sep 28, 2026
16Indirect evidenceNanterre Cedex, FranceHQ checked Sep 28, 202610001+3,337 contacts →

Indirect evidence

“Axians is the ICT brand of VINCI Energies.”

Source: RevenueBase Database · checked Sep 28, 2026
17Indirect evidenceRiyadh, Saudi ArabiaHQ checked Sep 28, 20261,001-5,0003,050 contacts →

Indirect evidence

“ejada is a leading technology solutions provider in the Middle East and North Africa (MENA) region, headquartered in Saudi Arabia since 2005.”

Source: RevenueBase Database · checked Sep 28, 2026
18Indirect evidenceCanberra, United KingdomHQ checked Sep 28, 20261,001-5,0002,947 contacts →

Indirect evidence

“Digital Intelligence is home to over 4,500 digital, cyber and intelligence experts across 13 countries.”

Source: RevenueBase Database · checked Sep 28, 2026
19Indirect evidenceToronto, ON, CanadaHQ checked Sep 28, 20261,001-5,0002,664 contacts →

Indirect evidence

“Softchoice, a World Wide Technology (WWT) company, is an IT solutions provider serving U.S.”

Source: RevenueBase Database · checked Sep 28, 2026
20Indirect evidenceLjubljana, SloveniaHQ checked Sep 28, 2026n/a2,523 contacts →

Indirect evidence

“NIL is a globally recognized provider of advanced data center, network, cloud, cyber security solutions as well as services for business and industry environments, state…”

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceJakarta, IndonesiaHQ checked Sep 28, 20261,001-5,0002,517 contacts →

Indirect evidence

“Mitra Integrasi Informatika (“MII”), established in 1996 as a subsidiary of the publicly listed PT Metrodata Electronics, Tbk.”

Source: RevenueBase Database · checked Sep 28, 2026
22Partial evidencePrinceton, NJ, United StatesHQ checked Sep 28, 20265,001-10,0002,502 contacts →

Partial evidence

“Compunnel serves as a global partner for talent, digital, and cybersecurity solutions, designed to help enterprises staff critical roles, modernize technology, and strengthen…”

Source: RevenueBase Database · checked Sep 28, 2026
23Partial evidenceHerndon, VA, United StatesHQ checked Sep 28, 20261,001-5,0002,331 contacts →

Partial evidence

“Trianz is a "transformation services as a software" company - helping enterprises accelerate cloud adoption and AI transformation through Concierto, our unified, AI-first platform…”

Source: RevenueBase Database · checked Sep 28, 2026
24Partial evidenceAmherst, NY, United StatesHQ checked Sep 28, 20265,001-10,0002,264 contacts →

Partial evidence

“CTG, a Cegeka company, is at the forefront of digital transformation, offering innovative IT solutions and services that accelerate your strategy and project momentum.”

Source: RevenueBase Database · checked Sep 28, 2026
25Indirect evidenceLeawood, KS, United StatesHQ checked Sep 28, 20261,001-5,0002,222 contacts →

Indirect evidence

“Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 29,554 cybersecurity transformation services worldwide

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 237,956 reachable decision-makers.

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Cybersecurity transformation services worldwide at a glance

As of Sep 28, 2026
28.7%Verified-email coverage
28.0Average contacts per company
1-10Median size (employees)
2.2%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
15,493
11-50
9,877
51-200
2,859
201-500
700
501-1,000
248
1,001-5,000
231
5,001-10,000
38
10001+
61

Email recency is reported on each country list linked below.

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 cybersecurity transformation services, 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.
Coverage
Every country. Country and city lists for cybersecurity transformation services are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “cybersecurity transformation services”. 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 cybersecurity transformation services), 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 cybersecurity transformation services, and records with no verified work email.
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, 237,956 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.

Cybersecurity transformation services by location

201 lists · largest first

Every Cybersecurity transformation services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 cybersecurity transformation services, 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 cybersecurity transformation services are there worldwide?

RevenueBase identified 29,554 cybersecurity transformation services worldwide 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?

DXC Technology, headquartered in Ashburn, tops this list with the largest team on record.

Which country has the most cybersecurity transformation services?

The United States leads with 7,055 companies, followed by India (2,712) and the United Kingdom (1,696). Every cybersecurity transformation services list by country and city is linked on this page.

Which city has the most cybersecurity transformation services?

London leads with 645 headquartered companies, followed by Dubai (334) and Paris (308).

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 237,956 verified decision-maker contacts tracked across these 29,554 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.