Company lists · Data refreshed November 2026

Top 25 Directory services consultants worldwide

RevenueBase identified 1,427 company matches for directory services consultants worldwide as of November 2026 and tracks 14,140 professional contacts across them, including 3,826 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for directory services 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 directory services 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
1,427Companies
14,140Contacts tracked
3,826Verified emails
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The 25 largest directory services consultants worldwide

Ranked by team size
Top 25 of 1,427 company matches for directory services 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 matchAlpharetta, TX, United StatesHQ recorded Nov 6, 2026501-1,000714 contacts →

Exact match

“Customers of all sizes globally rely on Simeio to help secure their organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchUnited StatesHQ recorded Nov 6, 202651-200278 contacts →

Exact match

“Established in 1986, Convergent Computing (CCO) has over 65 consultants and experts that help medium and large organizations architect, implement, and support their local area…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLeeds, United KingdomHQ recorded Nov 6, 2026201-500257 contacts →

Exact match

“We are a global boutique, specializing exclusively in the convergence of identity-driven security and networking.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchArlington, CA, United StatesHQ recorded Nov 6, 2026201-500246 contacts →

Exact match

“Falconwood is a veteran-owned, woman-owned business management and technology consulting firm headquartered in Arlington, Virginia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchOakbrook Terrace, United StatesHQ recorded Nov 6, 2026501-1,000244 contacts →

Exact match

“MajorKey Technologies simplifies identity security complexity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchCoral Gables, FL, United StatesHQ recorded Nov 6, 202651-200163 contacts →

Exact match

“IDMWORKS is a leading identity security and access management consulting, integration, and managed services provider helping enterprises modernize how they secure employees…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202651-200134 contacts →

Exact match

“The Fulcrum team of technologists are recognized experts in the fields of IT Infrastructure Technology, Security, Service Management and Support.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchZaragoza, MexicoHQ recorded Nov 6, 202651-200133 contacts →

Exact match

“Nologin is a company with advanced knowhow in the field of Information Technology, providing quality services and solutions for clients worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchChester, United KingdomHQ recorded Nov 6, 202651-200132 contacts →

Exact match

“CyberIAM is now part of Integrity360 and provides the expertise needed for the design and implementation of complex Identity and access management systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchWinterthur, SwitzerlandHQ recorded Nov 6, 202651-200126 contacts →

Exact match

“IPG - Winterthur, Berlin, Cologne, Vienna Identities at the Core IPG has been a pioneer and expert in a holistic IAM solution approach for over 20 years, and a reliable partner…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202651-200111 contacts →

Exact match

“A SCSO Serviços de Informática S/C Ltda Uma gestão eficaz do investimento em TI é fundamental para as operações, desempenho e disponibilidade dos seus sistemas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchVila Velha, BrazilHQ recorded Nov 6, 202611-50110 contacts →

Exact match

“Fundada em 1994, a BRASP oferece suporte às empresas que buscam, através de novas tecnologias, maior produtividade e competitividade no mercado.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBangkok, ThailandHQ recorded Nov 6, 202651-200108 contacts →

Exact match

“บริษัท แทนเจอรีน จำกัด จัดตั้งขึ้นเมื่อปี พ.ศ 2546 (ค.ศ.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500104 contacts →

Exact match

“As an independent IT security specialist, Caretower provide comprehensive solutions to individual problems, thus allowing our recommendations to be unbiased.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchArlington, TX, United StatesHQ recorded Nov 6, 202651-20096 contacts →

Exact match

“At EST Group, our motto is The best experience you will ever have with an IT consulting company, which is a pretty bold claim.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202651-20094 contacts →

Exact match

“Beyaz.net 1997 yılında kurulmuştur.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLyon, FranceHQ recorded Nov 6, 202611-5089 contacts →

Exact match

“Fondée à Lyon en 2002, KNS est une Entreprise de Service du Numérique qui intervient à tous les niveaux de la sécurisation des Systèmes d'Information en France et à l'étranger.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchCasablanca, MoroccoHQ recorded Nov 6, 202651-20088 contacts →

Exact match

“Acteur innovant dans le domaine des systèmes d’information, IT Road Consulting a mobilisé les meilleures compétences pour répondre aux impératifs de performance de ses clients en…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMadrid, SpainHQ recorded Nov 6, 202651-20086 contacts →

Exact match

“Áudea Seguridad de la Información es una consultora tecnológica, con 10 años de experiencia, que presta servicios profesionales relacionados con la gestión de la seguridad de la…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLannion, FranceHQ recorded Nov 6, 2026n/a83 contacts →

Exact match

“Depuis 20 ans, Isitix accompagne vos projets informatiques et numériques.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchIslamabad, PakistanHQ recorded Nov 6, 202651-20082 contacts →

Exact match

“Highrise Technologies is a services company specializing in implementing Identity and Access Management solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMalakoff, FranceHQ recorded Nov 6, 202651-20079 contacts →

Exact match

“Aduneo vous accompagne à chaque étape pour protéger vos identités, sécuriser vos données et simplifier votre quotidien.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchIrving, TX, United StatesHQ recorded Nov 6, 202651-20078 contacts →

Exact match

“Dexperts Inc is a professional services firm that is focused on Identity & Access Management and Privileged Access Management, infrastructure security.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLangenfeld (rheinland), GermanyHQ recorded Nov 6, 202651-20073 contacts →

Exact match

“We, mispa Technologies GmbH, a leading IT security and service provider, deliver consulting, design and managed services to help our customers get the most out of their IT…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202651-20073 contacts →

Exact match

“NextGen Identity is a Boutique shop in the IAM & Cyber Security space.”

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

Showing 25 of 1,427 directory services consultants worldwide

See the full list, filter by size, metro and specialty, and access 3,826 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Directory services consultants worldwide at a glance

As of Nov 6, 2026
27.1%Verified-email coverage
9.9Average contacts per company
1-10Median size (employees)
1.5%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
892
11-50
416
51-200
91
201-500
18
501-1,000
3
1,001-5,000
2

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 directory services consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “directory services 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 3,826 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.

Directory services consultants by location

10 lists · largest first

Every Directory services consultants 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 “directory services consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many directory services consultants are there worldwide?

RevenueBase identified 1,427 company matches for directory services 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?

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

Which country has the most directory services consultants?

The United States leads with 336 companies, followed by France (86) and Germany (86). Every directory services consultants list by country and city is linked on this page.

Which city has the most directory services consultants?

London leads with 22 company records, followed by Paris (19) and Sao Paulo (16).

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 3,826 professional contacts with verified work emails tracked across these 1,427 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.