Company lists · Data refreshed November 2026

Top 25 Cis controls implementation firms worldwide

RevenueBase identified 884 company matches for cis controls implementation firms worldwide as of November 2026 and tracks 6,006 professional contacts across them, including 2,025 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for cis controls implementation firms worldwide, 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 November 6, 2026. Country and city lists for cis controls implementation firms follow the table.

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 Nov 6, 2026 How this list was built
884Companies
6,006Contacts tracked
2,025Verified emails
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The 25 largest cis controls implementation firms worldwide

Ranked by team size
Top 25 of 884 company matches for cis controls implementation firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchEast Greenbush, NY, United StatesHQ recorded Nov 6, 2026501-1,000502 contacts →

Exact match

“The Center for Internet Security, Inc.(CIS®) makes the connected world a safer place for people, businesses, and governments through our core competencies of collaboration and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchCedar Hill, TX, United StatesHQ recorded Nov 6, 2026201-500243 contacts →

Exact match

“Baxter Clewis Cybersecurity, we bring to the table a unique set of experiences that allow us to best serve your cybersecurity needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202651-200211 contacts →

Exact match

“O nosso trabalho é proteger o seu.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchChantilly, United StatesHQ recorded Nov 6, 20261,001-5,000194 contacts →

Exact match

“Trusted By 2,880+ World-Class Brands And Organizations Of All Sizes…!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchNY, United StatesHQ recorded Nov 6, 202651-200157 contacts →

Exact match

“Established in 2014, Optima is a leading global regulatory compliance and cybersecurity consulting firm advising financial institutions, including investment managers, hedge…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchTel-aviv, IsraelHQ recorded Nov 6, 202651-200149 contacts →

Exact match

“Comsec is a leading global cybersecurity consultancy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchPinhais - Alphaville, BrazilHQ recorded Nov 6, 202651-200117 contacts →

Exact match

“Inspirar confiança é a meta que guia todas as nossas ações.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchEspoo, FinlandHQ recorded Nov 6, 2026501-1,000114 contacts →

Exact match

“Nixu is now DNV Cyber.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchVienna, AustriaHQ recorded Nov 6, 2026201-50090 contacts →

Exact match

“SEC Consult is one of the leading consultancies in the area of cyber and application security.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchRecife, BrazilHQ recorded Nov 6, 202611-5080 contacts →

Exact match

“A QOS é especialista em Gestão de Riscos Cibernéticos e Conscientização de Segurança.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBangalore, CA, IndiaHQ recorded Nov 6, 202651-20078 contacts →

Exact match

“Crossbow is a cyber security consulting company which assists various organizations to secure computing, application builds, network architecture designing and IT controls…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMumbai, IndiaHQ recorded Nov 6, 202611-5074 contacts →

Exact match

“Matrix3D, a CERT-In Empanelled organization, helps make your business secure and resilient through detailed IT assessments and audits, with clear gap analysis and strong…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchDehradun, IndiaHQ recorded Nov 6, 202651-20071 contacts →

Exact match

“Senselearner is a leading Global consulting and Implementation firm, proudly holding the ISO 27001:2013 certification.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchEl Dorado Hills, United StatesHQ recorded Nov 6, 202651-20069 contacts →

Exact match

“ISO/IEC 27001, ISO/IEC 42001, SOC2, PCI DSS, C5, SWIFT CSP, Microsoft SSPA, Penetration Testing, NIST, CMMC, AE AI Act, HIPAA, HITRUST, GDPR, CCPA, DORA, NIS2, and more.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBhubaneswar, IndiaHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“Threatsys is one of the prominent 360° cybersecurity companies in India, specializing in providing cyber protection to enterprises, government organizations, and other businesses…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchDresher, PA, United StatesHQ recorded Nov 6, 202651-20058 contacts →

Exact match

“IS Partners, LLC is a globally recognized Certified Public Accounting firm specializing in IT Compliance and Cybersecurity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSan Jose, CA, United StatesHQ recorded Nov 6, 202611-5046 contacts →

Exact match

“Building an effective cyber security program from scratch is time consuming and expensive.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchKuala Lumpur, MalaysiaHQ recorded Nov 6, 202651-20042 contacts →

Exact match

“Cybertronium Sdn.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSursee, SwitzerlandHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“Seit 1989 befassen wir uns professionell mit allem rund um die Sicherheit von Informationen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchRennes, FranceHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“ORNISEC est un cabinet d’expertise à la pointe de la cybersécurité, qualifié PASSI RGS, PACS et PASSI LPM par l'ANSSI.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMéxico, MexicoHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“La ciberseguridad dejó de ser un asunto de TI para convertirse en un factor determinante en la continuidad y reputación de cualquier empresa.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchGurgaon, IndiaHQ recorded Nov 6, 2026201-50038 contacts →

Exact match

“Saffron Networks Pvt Ltd a leading cybersecurity consulting firm specialising in providing expert guidance and solutions to organisations seeking to enhance their security posture…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBarcelona, SpainHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“OptimumTIC es una empresa especialista en CiberSeguridad creada en 2009, dedicada a ofrecer servicios transversales y plataformas gestionadas de los mejores soluciones y equipo…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“Since 2003, TrustNet has helped organizations mitigate cyber risks and achieve compliance efficiently and proactively.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchStafford, VA, United StatesHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“We are a cybersecurity consulting firm helping companies identify and comply with cybersecurity requirements with the goal of leaving them confident in their ability to manage the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 884 cis controls implementation firms worldwide

See the full list, filter by size, metro and specialty, and access 2,025 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cis controls implementation firms worldwide at a glance

As of Nov 6, 2026
33.7%Verified-email coverage
6.8Average contacts per company
1-10Median size (employees)
2.7%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
649
11-50
184
51-200
36
201-500
5
501-1,000
3
1,001-5,000
4
5,001-10,000
1
10001+
1

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for cis controls implementation firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “cis controls implementation firms” 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. 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 2,025 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 November 6, 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.

Cis controls implementation firms by location

7 lists · largest first

Every Cis controls implementation firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “cis controls implementation firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cis controls implementation firms are there worldwide?

RevenueBase identified 884 company matches for cis controls implementation firms worldwide as of November 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?

Center For Internet Security tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most cis controls implementation firms?

The United States leads with 265 companies, followed by the United Kingdom (76) and India (42). Every cis controls implementation firms list by country and city is linked on this page.

Which city has the most cis controls implementation firms?

London leads with 24 company records, followed by Toronto (12) and Paris (11).

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 2,025 professional contacts with verified work emails tracked across these 884 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 November 6, 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.