Company lists · Data refreshed November 2026

Top 25 Iso 27001 certification consultants worldwide

RevenueBase identified 4,400 company matches for iso 27001 certification consultants worldwide as of November 2026 and tracks 44,713 professional contacts across them, including 12,925 with verified work emails. The United Kingdom is the largest market and London the largest hub.

This list covers company matches for iso 27001 certification consultants 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 iso 27001 certification consultants 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
4,400Companies
44,713Contacts tracked
12,925Verified emails
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The 25 largest iso 27001 certification consultants worldwide

Ranked by team size
Top 25 of 4,400 company matches for iso 27001 certification consultants 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 matchHøvik, NorwayHQ recorded Nov 6, 202610001+16,914 contacts →

Exact match

“DNV is the independent expert in risk management and assurance, operating in more than 100 countries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchFrankfurt, GermanyHQ recorded Nov 6, 20261,001-5,0001,466 contacts →

Exact match

“DQS – Leveraging Quality, Driving Success.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMontreal, QC, CanadaHQ recorded Nov 6, 202651-200406 contacts →

Exact match

“PECB is a global leader in certification, committed to fostering digital trust through education, certification, and certificate programs across various disciplines.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNew Delhi, IndiaHQ recorded Nov 6, 2026501-1,000277 contacts →

Exact match

“OUR STORY WHO WE ARE Craw Security is a Training and Consulting Company with high industry training and consulting Standards.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 6, 2026n/a222 contacts →

Exact match

“IT support for businesses in London.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBangalore, IndiaHQ recorded Nov 6, 2026n/a215 contacts →

Exact match

“Dear Sir/Madam, This is Mahendra, I would first like to take this opportunity to introduce my company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchTampa, United StatesHQ recorded Nov 6, 2026201-500201 contacts →

Exact match

“Insight Assurance is a security and compliance firm trusted by more than 1,500 organizations for their SOC 1, SOC 2, SOC 3, PCI DSS, ISO 27001, ISO 27017/27018, ISO 27701, ISO…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchNavi Mumbai, IndiaHQ recorded Nov 6, 202651-200190 contacts →

Exact match

“QRC Assurance and Solutions has been a forerunner on the cybersecurity front, empanelled with CERT-in, certified to provide PCI DSS QSA, PA QSA, PCI 3DS, PCI SSF, ISO 27001, ISO…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchGuadalajara, MexicoHQ recorded Nov 6, 202651-200190 contacts →

Exact match

“Somos una firma con reconocimiento internacional que ofrece servicios de certificación, capacitación y evaluación de la conformidad en diferentes estándares nacionales e…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchWest Malling, United KingdomHQ recorded Nov 6, 2026201-500158 contacts →

Exact match

“Amtivo Group provides expert certification services for ISO standards, as well as training and related services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchComuna 15, ArgentinaHQ recorded Nov 6, 202651-200146 contacts →

Exact match

“It is led by a group of information security specialists with extensive experience in large local and international companies, whose professional development has begun in one of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchNoida, IndiaHQ recorded Nov 6, 202651-200145 contacts →

Exact match

“Welcome to – Your Gateway to Empowering Excellence in Security and Technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchManchester, United KingdomHQ recorded Nov 6, 202651-200141 contacts →

Exact match

“Our reputation for providing outstanding service explains why clients who joined us when we first opened our doors in 1993 are still with us today.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchNeu-isenburg, GermanyHQ recorded Nov 6, 202651-200134 contacts →

Exact match

“Die usd AG schützt Unternehmen vor Hackern und Kriminellen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchNorwich, United KingdomHQ recorded Nov 6, 202651-200120 contacts →

Exact match

“We believe in keeping ISO certification simple, so that's exactly what we do.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBogotá, ColombiaHQ recorded Nov 6, 202651-200119 contacts →

Exact match

“B-SECURE provides information security services and technologies that enable organizations to improve their security posture, minimize risk levels and simplify compliance of laws…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchChennai, IndiaHQ recorded Nov 6, 202651-200119 contacts →

Exact match

“FutureCalls is a a system integration company providing IT infrastructure and Information Security services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchUpper Colwall, United KingdomHQ recorded Nov 6, 202651-200114 contacts →

Exact match

“IASME is a cyber security certification company based in the Malvern Hills, with an office in Belfast and one in Dalgety Bay, near Edinburgh.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchNaucalpan, MexicoHQ recorded Nov 6, 202651-200110 contacts →

Exact match

“MAPS Disruptivo specializes in providing advanced Cybersecurity solutions, offering products and services from the world’s leading brands in each area.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202651-200103 contacts →

Exact match

“Empresa inovadora que realiza trabalhos de consultoria em Segurança da Informação e implementa soluções baseadas em produtos desenvolvidos pelos maiores fabricantes mundiais de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchThe Woodlands, TX, United StatesHQ recorded Nov 6, 202651-200102 contacts →

Exact match

“INTERCERT is a multinational auditing company headquartered in Texas, United States operating at 28+ countries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchNoida, IndiaHQ recorded Nov 6, 202651-20099 contacts →

Exact match

“SDIL - ISO: 9001:2015 Certified company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchRīga, LatviaHQ recorded Nov 6, 202651-20097 contacts →

Exact match

“Kopš 2008.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchRiyadh, Saudi ArabiaHQ recorded Nov 6, 202651-20096 contacts →

Exact match

“IT Security Training & Solutions - I(TS)² | It's all about TRUST Headquartered in Riyadh, Saudi Arabia, I(TS)² is the Middle East’s premier provider of integrated information…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchPaderborn, GermanyHQ recorded Nov 6, 202651-20091 contacts →

Exact match

“neam IT-Services GmbH – founded in 1996 – is a Systems Integrator based in Paderborn, Germany and operating in various projects all over Europe.”

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

Showing 25 of 4,400 iso 27001 certification consultants worldwide

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Iso 27001 certification consultants worldwide at a glance

As of Nov 6, 2026
28.9%Verified-email coverage
10.2Average contacts per company
1-10Median size (employees)
1.5%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
3,048
11-50
1,032
51-200
219
201-500
48
501-1,000
11
1,001-5,000
4
5,001-10,000
3
10001+
5

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 iso 27001 certification consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “iso 27001 certification consultants” 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 12,925 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.

Iso 27001 certification consultants by location

29 lists · largest first

Every Iso 27001 certification consultants 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 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 “iso 27001 certification consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many iso 27001 certification consultants are there worldwide?

RevenueBase identified 4,400 company matches for iso 27001 certification consultants 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?

DNV tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most iso 27001 certification consultants?

The United Kingdom leads with 413 companies, followed by India (396) and Germany (236). Every iso 27001 certification consultants list by country and city is linked on this page.

Which city has the most iso 27001 certification consultants?

London leads with 68 company records, followed by Dubai (48) and Lima (44).

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 12,925 professional contacts with verified work emails tracked across these 4,400 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.