Company lists · Data refreshed September 2026

Top 25 Service level management consultants worldwide

RevenueBase identified 3,889 service level management consultants worldwide as of September 2026 and tracks 31,465 professional contacts across them, including 4,546 with verified work emails and 2,661 with mobile numbers. The United States is the largest market and London the largest hub.

This list covers service level management consultants 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 6, 2026. Country and city lists for service level management consultants 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 6, 2026 86% judged on-target in blind review
3,889Companies
31,465Contacts tracked
4,546Verified emails
2,661Mobile numbers
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The 25 largest service level management consultants worldwide

Ranked by team size
Top 25 of 3,889 service level management consultants worldwide, ranked by team size, largest first. Data refreshed Sep 6, 2026. RevenueBase Smart Search rates how each company's information relates to service level management consultants: 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 evidenceFrisco, TX, United StatesHQ checked Sep 6, 2026501-1,0001,149 contacts →

Indirect evidence

“W3Global is a leading provider of end-to-end consulting services, empowering businesses to achieve their strategic goals and optimize their operations.”

Source: RevenueBase Database · checked Sep 6, 2026
2Partial evidenceCincinnati, OH, United StatesHQ checked Sep 6, 2026501-1,000618 contacts →

Partial evidence

“SEI is a management consulting firm delivering fresh perspectives and reliable results.”

Source: RevenueBase Database · checked Sep 6, 2026
3Indirect evidenceVincennes, MexicoHQ checked Sep 6, 2026501-1,000363 contacts →

Indirect evidence

“KLB Group is an international consulting firm specializing in operational performance for more than 25 years and bringing together nearly 750 employees worldwide.”

Source: RevenueBase Database · checked Sep 6, 2026
4Partial evidenceRaleigh, NC, United StatesHQ checked Sep 6, 2026201-500244 contacts →

Partial evidence

“ScottMadden is a management consulting firm that does what it takes to get the job done right.”

Source: RevenueBase Database · checked Sep 6, 2026
5Strong evidenceParis, FranceHQ checked Sep 6, 2026201-500232 contacts →

Strong evidence

“Business At Work is a management and information systems consultancy company offering a range of services entirely focused towards the optimisation of the internal functions of…”

Source: RevenueBase Database · checked Sep 6, 2026
6Partial evidenceLisbon, PortugalHQ checked Sep 6, 2026201-500230 contacts →

Partial evidence

“LCG provides consulting services, using their multidisciplinary skills in the areas of strategic and operational management, information systems, management support, business…”

Source: RevenueBase Database · checked Sep 6, 2026
7Indirect evidenceMumbai, IndiaHQ checked Sep 6, 2026201-500171 contacts →

Indirect evidence

“We go beyond just offering solutions.”

Source: RevenueBase Database · checked Sep 6, 2026
8Indirect evidenceLynchburg, VA, United StatesHQ checked Sep 6, 202651-200152 contacts →

Indirect evidence

“At KECH, our objective is to bring expertise, innovation, and improved productivity into every facet of a successful contact center and service desk operation.”

Source: RevenueBase Database · checked Sep 6, 2026
9Indirect evidenceAbu Dhabi, United Arab EmiratesHQ checked Sep 6, 202651-200138 contacts →

Indirect evidence

“The ultimate purpose of our services is to empower the decision making capabilities within organization through providing tools and services that would enhance the Performance of…”

Source: RevenueBase Database · checked Sep 6, 2026
10Indirect evidenceBuenos Aires, ArgentinaHQ checked Sep 6, 202651-200122 contacts →

Indirect evidence

“IMR Consulting es una firma de Consultoría con fuerte compromiso hacia la mejora de las operaciones de nuestros clientes reflejándose en el logro de mayores beneficios y…”

Source: RevenueBase Database · checked Sep 6, 2026
11Strong evidenceIndianapolis, United StatesHQ checked Sep 6, 202651-20099 contacts →

Strong evidence

“Engaging Solutions is a multi-faceted management consulting firm with the personnel and resources to accomplish everything from high level management and auditing to ground-level…”

Source: RevenueBase Database · checked Sep 6, 2026
12Indirect evidenceMumbai, IndiaHQ checked Sep 6, 202651-20096 contacts →

Indirect evidence

“DJCO is a business consulting firm founded in 2015 by entrepreneurial big-4 opportunists with a cumulative leadership team experience of 47 years and a vision to provide…”

Source: RevenueBase Database · checked Sep 6, 2026
13Indirect evidenceLondon, United KingdomHQ checked Sep 6, 202651-20090 contacts →

Indirect evidence

“We blend capability and strategy to help client teams thrive, find and grow happier customers, and deliver profitable growth.”

Source: RevenueBase Database · checked Sep 6, 2026
14Indirect evidenceBogota, ColombiaHQ checked Sep 6, 202611-5087 contacts →

Indirect evidence

“ITSTK (IT Services Technology and Knowledge), es una compañía de consultoría especializada en la Administración de Infraestructura Tecnológica.”

Source: RevenueBase Database · checked Sep 6, 2026
15Partial evidenceChennai, IndiaHQ checked Sep 6, 2026201-50082 contacts →

Partial evidence

“Professional Services and Consultancy TeleApps provides flexible solution integration consulting & services to the Enterprise and contact centre industries.”

Source: RevenueBase Database · checked Sep 6, 2026
16Partial evidenceFrankfurt, GermanyHQ checked Sep 6, 202651-20081 contacts →

Partial evidence

“Die SOLVVision GmbH hat ein wesentliches Ziel: Sie als unsere Kunden mit unseren Services im Bereich des Enterprise- und IT-Service-Management zu begeistern!”

Source: RevenueBase Database · checked Sep 6, 2026
17Indirect evidenceRockville, MD, United StatesHQ checked Sep 6, 202651-20078 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 6, 2026
18Indirect evidenceKontich, BelgiumHQ checked Sep 6, 202651-20075 contacts →

Indirect evidence

“Trilations provides business insights and works with you every day to define and implement winning strategies.”

Source: RevenueBase Database · checked Sep 6, 2026
19Indirect evidenceCamp Hill, PA, United StatesHQ checked Sep 6, 202651-20075 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 6, 2026
20Partial evidenceNoida, IndiaHQ checked Sep 6, 202651-20072 contacts →

Partial evidence

“Intellivate is a global IT Service Management,Enterprise Tools consulting and Cloud Enablement company headquartered in Noida, India and serving IT Service Providers and…”

Source: RevenueBase Database · checked Sep 6, 2026
21Strong evidenceGurugram Sub-district, IndiaHQ checked Sep 6, 202651-20072 contacts →

Strong evidence

“Symbiosis Management Consultants is an Integrated Management Consulting Organisation that Inspires organizations to transform their Potential to Performance.”

Source: RevenueBase Database · checked Sep 6, 2026
22Partial evidenceParis, FranceHQ checked Sep 6, 2026201-50071 contacts →

Partial evidence

“Avec une dizaine d’années cumulées en cabinet de conseil, nous avons pour ambition de faciliter la relation entre les Consultants, les clients et le cabinet.”

Source: RevenueBase Database · checked Sep 6, 2026
23Indirect evidenceDüsseldorf, GermanyHQ checked Sep 6, 202651-20068 contacts →

Indirect evidence

“MEC GROUP focuses on the automotive, IT, telecommunications and government sectors.”

Source: RevenueBase Database · checked Sep 6, 2026
24Partial evidenceKnoxville, TN, United StatesHQ checked Sep 6, 202651-20065 contacts →

Partial evidence

“Management Solutions is a national award-winning performance management and consulting services firm that specializes in improving organizational performance through proven…”

Source: RevenueBase Database · checked Sep 6, 2026
25Partial evidenceBad Homburg Vor Der Höhe, GermanyHQ checked Sep 6, 202651-20063 contacts →

Partial evidence

“SERVIEW – The Home of Human-Centered AI Service Management Als The Home of Human-Centered AI Service Management (HUCAISM) vereinen wir alle Kompetenzen, Methoden, Technologien und…”

Source: RevenueBase Database · checked Sep 6, 2026

Showing 25 of 3,889 service level management consultants worldwide

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Service level management consultants worldwide at a glance

As of Sep 6, 2026
14.4%Verified-email coverage
8.5%Mobile-number coverage
8.1Average contacts per company
1-10Median size (employees)
2.6%Largest-city concentration · London
Sep 6, 2026Page data refreshed

Companies by employee count

1-10
3,084
11-50
618
51-200
114
201-500
33
501-1,000
10
1,001-5,000
8
5,001-10,000
2

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 service level management consultants, 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
23 countries, largest first: the United States, the United Kingdom, Brazil, France, Germany, Canada, India, Australia, the Netherlands, Spain and 13 more. Country and city lists for service level management consultants are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “service level management consultants”. 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 service level management consultants), 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 service level management consultants, 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, 4,546 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 between September 6, 2026 and September 14, 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.

Service level management consultants by location

25 lists · largest first

Every Service level management 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 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 service level management consultants, 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 service level management consultants are there worldwide?

RevenueBase identified 3,889 service level management consultants 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?

W3global, headquartered in Frisco, tops this list with the largest team on record.

Which country has the most service level management consultants?

The United States leads with 1,013 companies, followed by the United Kingdom (446) and Brazil (445). Every service level management consultants list by country and city is linked on this page.

Which city has the most service level management consultants?

London leads with 100 headquartered companies, followed by Sao Paulo (89) and Paris (52).

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 4,546 verified decision-maker contacts tracked across these 3,889 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled from the company graph between September 6, 2026 and September 14, 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.