Company lists · Data refreshed September 2026

Top 25 Service design consultancies worldwide

Name: Service design consultancies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 34,463 companies tracked

RevenueBase identified 34,463 service design consultancies worldwide as of September 2026 and tracks 315,649 professional contacts across them, including 84,596 with verified work emails. The United States is the largest market and London the largest hub.

This list covers service design consultancies 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 29, 2026. Country and city lists for service design consultancies 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 29, 2026 86% judged on-target in blind review

34,463Companies

315,649Contacts tracked

84,596Verified emails

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The 25 largest service design consultancies worldwide

Ranked by team size

Top 25 of 34,463 service design consultancies worldwide, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to service design consultancies: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Boston Consulting Group BCG	Indirect evidence	Boston, MA, United StatesHQ checked Sep 29, 2026	10001+	38,730 contacts →
	Indirect evidence “Boston Consulting Group partners with leaders in business and society to tackle their most important challenges and capture their greatest opportunities.” Source: RevenueBase Database · checked Sep 29, 2026
2	DAR	Strong evidence	Beirut, LebanonHQ checked Sep 29, 2026	10001+	10,822 contacts →
	Strong evidence “Dar is one of the world’s leading consultancies, providing design, planning, engineering, sustainability consulting, digital solutions and services, project management, and…” Source: RevenueBase Database · checked Sep 29, 2026
3	Wavestone	Indirect evidence	100-101 Terrasse Boieldieu, FranceHQ checked Sep 29, 2026	1,001-5,000	6,190 contacts →
	Indirect evidence “Wavestone is a leading consulting firm operating at the intersection of business and technology.” Source: RevenueBase Database · checked Sep 29, 2026
4	Khatib & Alami	Partial evidence	Downtown, PolandHQ checked Sep 29, 2026	5,001-10,000	5,792 contacts →
	Partial evidence “Khatib & Alami (K&A) is a multidisciplinary design consultancy which operates primarily across the Middle East & Africa, Levant, Central and South-East Asia, and Europe.” Source: RevenueBase Database · checked Sep 29, 2026
5	Accenture Strategy & Consulting	Partial evidence	Chicago, IL, United StatesHQ checked Sep 29, 2026	5,001-10,000	5,514 contacts →
	Partial evidence “Accenture Strategy combines deep industry expertise, advanced analytics capabilities and human-led design methodologies that enable clients to act with speed and confidence.” Source: RevenueBase Database · checked Sep 29, 2026
6	SX Negócios	Indirect evidence	Novo Hamburgo, BrazilHQ checked Sep 29, 2026	5,001-10,000	4,020 contacts →
	Indirect evidence “Somos a Pulse Client Experts, uma empresa em constante evolução, impulsionados pela vontade de fazer acontecer.” Source: RevenueBase Database · checked Sep 29, 2026
7	Norconsult	Partial evidence	Sandvika, NorwayHQ checked Sep 29, 2026	5,001-10,000	3,555 contacts →
	Partial evidence “Norconsult is a multidisciplinary engineering and design consultancy, providing services to clients in the public and private sectors worldwide.” Source: RevenueBase Database · checked Sep 29, 2026
8	Buro Happold	Partial evidence	Bath, United KingdomHQ checked Sep 29, 2026	1,001-5,000	3,336 contacts →
	Partial evidence “We are an international, integrated consultancy of engineers, designers and advisers.” Source: RevenueBase Database · checked Sep 29, 2026
9	Knowit	Indirect evidence	Stockholm, SwedenHQ checked Sep 29, 2026	1,001-5,000	3,317 contacts →
	Indirect evidence “Currently, we are more than 3,700 employees mainly in the Nordic countries, but also in operations in Germany and Poland, working with clients and partners to develop innovative…” Source: RevenueBase Database · checked Sep 29, 2026
10	SJ Group	Partial evidence	SingaporeHQ checked Sep 29, 2026	10001+	3,277 contacts →
	Partial evidence “SJ designs spaces and systems that unlock human potential, delivering connection and certainty on shifting ground.” Source: RevenueBase Database · checked Sep 29, 2026
11	ACL Digital	Partial evidence	San Jose, CA, United StatesHQ checked Sep 29, 2026	1,001-5,000	2,640 contacts →
	Partial evidence “ACL Digital is a design-led Digital Experience, Product Innovation, Solutions, and Consulting offerings leader.” Source: RevenueBase Database · checked Sep 29, 2026
12	Qintess	Indirect evidence	São Paulo, BrazilHQ checked Sep 29, 2026	1,001-5,000	2,347 contacts →
	Indirect evidence “Experts in digital acceleration and business transformation.” Source: RevenueBase Database · checked Sep 29, 2026
13	Nihilent	Indirect evidence	Pune, IndiaHQ checked Sep 29, 2026	1,001-5,000	1,703 contacts →
	Indirect evidence “Nihilent is a Global Consulting and Services Company using a human-centred approach for problem-solving and change management, Nihilent’s comprehensive range of expertise in…” Source: RevenueBase Database · checked Sep 29, 2026
14	Cannondesign	Partial evidence	New York, NY, United StatesHQ checked Sep 29, 2026	1,001-5,000	1,660 contacts →
	Partial evidence “CannonDesign is a different kind of design firm, where architecture, strategy, experience, innovation and social good converge to create meaningful impact.” Source: RevenueBase Database · checked Sep 29, 2026
15	IBM IX	Partial evidence	Armonk, NY, United StatesHQ checked Sep 29, 2026	10001+	1,625 contacts →
	Partial evidence “IBM iX is your global experience design partner within IBM Consulting.” Source: RevenueBase Database · checked Sep 29, 2026
16	Argano	Indirect evidence	Plano, TX, United StatesHQ checked Sep 29, 2026	1,001-5,000	1,603 contacts →
	Indirect evidence “Argano is the world’s first and largest digital services consultancy focused exclusively on enabling high performance across our clients’ business operations, at scale and around…” Source: RevenueBase Database · checked Sep 29, 2026
17	DAR Engineering	Partial evidence	Riyadh, Saudi ArabiaHQ checked Sep 29, 2026	1,001-5,000	1,444 contacts →
	Partial evidence “DAR Engineering is a leading multidisciplinary consultancy firm providing design, architecture, engineering, project management, construction management and planning services…” Source: RevenueBase Database · checked Sep 29, 2026
18	IDEO	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 29, 2026	201-500	1,208 contacts →
	Partial evidence “IDEO (pronounced “EYE-dee-oh”) is a global design consultancy helping the world’s most audacious dreamers create braver tomorrows.” Source: RevenueBase Database · checked Sep 29, 2026
19	Designit	Partial evidence	Copenhagen, DenmarkHQ checked Sep 29, 2026	501-1,000	1,073 contacts →
	Partial evidence “Hello, we’re Designit, a Wipro company.” Source: RevenueBase Database · checked Sep 29, 2026
20	Dewan Architects & Engineers	Partial evidence	Manila, United Arab EmiratesHQ checked Sep 29, 2026	501-1,000	911 contacts →
	Partial evidence “Dewan Architects + Engineers is a global, multidisciplinary design consultancy firm founded in 1984 in Abu Dhabi, UAE.” Source: RevenueBase Database · checked Sep 29, 2026
21	NORR	Partial evidence	Toronto, ON, CanadaHQ checked Sep 29, 2026	501-1,000	907 contacts →
	Partial evidence “NORR is a global team of 750 architects, engineers, planners, and interior designers creating design strategies and solutions that express the unique vision of every project.” Source: RevenueBase Database · checked Sep 29, 2026
22	IBM IX Dach	Indirect evidence	Berlin, GermanyHQ checked Sep 29, 2026	501-1,000	819 contacts →
	Indirect evidence “We are IBM iX.” Source: RevenueBase Database · checked Sep 29, 2026
23	Smart Design	Partial evidence	Brooklyn, United StatesHQ checked Sep 29, 2026	n/a	814 contacts →
	Partial evidence “Smart Design is a strategic design company that helps people live better and work smarter.” Source: RevenueBase Database · checked Sep 29, 2026
24	Visiativ	Indirect evidence	Lyon, FranceHQ checked Sep 29, 2026	1,001-5,000	750 contacts →
	Indirect evidence “Through innovation and digitalisation, Visiativ delivers smarter ways of working that help businesses become more agile, efficient and collaborative.” Source: RevenueBase Database · checked Sep 29, 2026
25	Square Management	Indirect evidence	Neuilly Sur Seine, FranceHQ checked Sep 29, 2026	501-1,000	719 contacts →
	Indirect evidence “Square Management est un cabinet de conseil spécialisé en stratégie et organisation qui accompagne ses clients dans l’anticipation, la conception et la réalisation de leurs…” Source: RevenueBase Database · checked Sep 29, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: service design consultancies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names service design consultancies.
Partial evidence: Its own public description names part of service design consultancies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name service design consultancies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 34,463 service design consultancies worldwide

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Service design consultancies worldwide at a glance

As of Sep 29, 2026

26.8%Verified-email coverage

9.2Average contacts per company

1-10Median size (employees)

4.2%Largest-city concentration · London

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

27,187

11-50

5,742

51-200

1,137

201-500

199

501-1,000

1,001-5,000

5,001-10,000

10001+

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 service design consultancies, 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 service design consultancies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “service design consultancies”. 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 design consultancies), 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 design consultancies, 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, 84,596 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 29, 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 design consultancies by location

167 lists · largest first

Every Service design consultancies 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 design consultancies, 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 design consultancies are there worldwide?

RevenueBase identified 34,463 service design consultancies 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?

Boston Consulting Group BCG, headquartered in Boston, tops this list with the largest team on record.

Which country has the most service design consultancies?

The United States leads with 5,029 companies, followed by the United Kingdom (3,785) and India (2,264). Every service design consultancies list by country and city is linked on this page.

Which city has the most service design consultancies?

London leads with 1464 headquartered companies, followed by New York (468) and Dubai (388).

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 84,596 verified decision-maker contacts tracked across these 34,463 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 29, 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.