Company lists · Data refreshed November 2026

Top 25 Complex systems ux design agencies worldwide

Name: Complex systems ux design agencies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 14,374 companies tracked

RevenueBase identified 14,374 company matches for complex systems ux design agencies worldwide as of November 2026 and tracks 98,454 professional contacts across them, including 24,950 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for complex systems ux design agencies 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 complex systems ux design agencies 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

14,374Companies

98,454Contacts tracked

24,950Verified emails

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The 25 largest complex systems ux design agencies worldwide

Ranked by team size

Top 25 of 14,374 company matches for complex systems ux design agencies 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Ciklum	Exact match	London, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	3,113 contacts →
	Exact match “Ciklum is a global Experience Engineering firm that stands at the forefront of innovation, blending next-generation product engineering, exceptional customer experiences, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	IBM IX	Exact match	Armonk, NY, United StatesHQ recorded Nov 6, 2026	10001+	1,614 contacts →
	Exact match “IBM iX is your global experience design partner within IBM Consulting.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	HGA	Exact match	Minneapolis, DC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,613 contacts →
	Exact match “HGA is a national interdisciplinary design firm committed to making a positive, lasting impact for our clients and communities through research-based, holistic solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	IDEO	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	201-500	1,303 contacts →
	Exact match “IDEO (pronounced “EYE-dee-oh”) is a global design consultancy helping the world’s most audacious dreamers create braver tomorrows.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Lollypop Design Studio	Exact match	San Jose, CA, United StatesHQ recorded Nov 6, 2026	201-500	1,193 contacts →
	Exact match “We are a full-stack design-to-development solution provider, that helps enterprises build future-ready products.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Smart Design	Exact match	Brooklyn, United StatesHQ recorded Nov 6, 2026	n/a	896 contacts →
	Exact match “Smart Design is a strategic design company that helps people live better and work smarter.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	IBM IX Dach	Exact match	Berlin, GermanyHQ recorded Nov 6, 2026	501-1,000	880 contacts →
	Exact match “We are IBM iX.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Hassell	Exact match	Melbourne, United StatesHQ recorded Nov 6, 2026	501-1,000	865 contacts →
	Exact match “We are a leading international design practice with studios in Asia, Australia, the United Kingdom and the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	HIPPO	Exact match	Leeds, United KingdomHQ recorded Nov 6, 2026	501-1,000	633 contacts →
	Exact match “At Hippo, we design for humans and build for intelligence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Saggezza, An Apexon Company	Exact match	Santa Clara, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	494 contacts →
	Exact match “Saggezza is now part of Apexon.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Method	Exact match	Charlotte, United StatesHQ recorded Nov 6, 2026	201-500	435 contacts →
	Exact match “Method is an AI-first, end-to-end digital consultancy that helps leading organizations transform how they compete.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Garaje DE Ideas Groupe EDG	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	201-500	425 contacts →
	Exact match “We are Garaje de ideas, a Design, Technology, Data and Growth agency.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Fjord, Part Of Accenture Song	Exact match	London, TX, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	380 contacts →
	Exact match “Fjord, part of Accenture Song, is a design and innovation consultancy that reimagines people’s relationships with the digital and physical world around them.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	UNIC	Exact match	Zürich, SwitzerlandHQ recorded Nov 6, 2026	201-500	348 contacts →
	Exact match “Wir machen Digitales menschlich.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Kettle	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	51-200	312 contacts →
	Exact match “Kettle is an agency that brings technology and creativity together to solve our client's toughest challenges.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Logotel	Exact match	Milan, ItalyHQ recorded Nov 6, 2026	201-500	297 contacts →
	Exact match “Siamo una Design Company che, dal 1993, progetta servizi, esperienze, sistemi e piattaforme innovativi su scala internazionale.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Ioasys	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	201-500	295 contacts →
	Exact match “We are specialists in unique experiences for bold companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Teague	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	201-500	285 contacts →
	Exact match “Teague is an independent design consultancy that combines technology expertise with a deep understanding of human behavior to design what’s next for companies in automotive…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	IA Interactive	Exact match	Morelia, CA, MexicoHQ recorded Nov 6, 2026	201-500	260 contacts →
	Exact match “For nearly three decades, IA interactive has been at the forefront of digital transformation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Bhdp Architecture	Exact match	Cincinnati, NC, United StatesHQ recorded Nov 6, 2026	51-200	257 contacts →
	Exact match “BHDP is an award-winning international design firm recognized for creating innovative and inspiring design solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Halo Media	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	201-500	241 contacts →
	Exact match “For over two decades, Halo has blended visionary design with precision engineering to craft high-impact digital experiences.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	ONE North	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	51-200	227 contacts →
	Exact match “One North is a digital experience agency that combines curiosity, scale, and agility to shape the future.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Blink UX	Exact match	Seattle, WA, United StatesHQ recorded Nov 6, 2026	51-200	220 contacts →
	Exact match “Blink UX is a product design consulting firm that partners with ambitious companies to turn insight into action-creating breakthrough products and experiences through strategy…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	G&a Strategy And Design	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	51-200	216 contacts →
	Exact match “G&A is one of the only fully integrated experience design firms in the world, a single partner that plans, designs, produces, and operates the destinations people travel to see…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	DST	Exact match	Rome, ItalyHQ recorded Nov 6, 2026	201-500	214 contacts →
	Exact match “We combine design, strategy and technology to create digital experiences that become success stories.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “complex systems ux design agencies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 14,374 complex systems ux design agencies worldwide

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Complex systems ux design agencies worldwide at a glance

As of Nov 6, 2026

25.3%Verified-email coverage

6.8Average contacts per company

1-10Median size (employees)

2.9%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

11,201

11-50

2,655

51-200

386

201-500

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

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 complex systems ux design agencies are linked below.
What qualifies: Company records worldwide whose business descriptions match “complex systems ux design agencies” 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 24,950 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.

Complex systems ux design agencies by location

103 lists · largest first

Every Complex systems ux design agencies 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 “complex systems ux design agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many complex systems ux design agencies are there worldwide?

RevenueBase identified 14,374 company matches for complex systems ux design agencies 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?

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

Which country has the most complex systems ux design agencies?

The United States leads with 2,651 companies, followed by India (1,219) and the United Kingdom (848). Every complex systems ux design agencies list by country and city is linked on this page.

Which city has the most complex systems ux design agencies?

London leads with 422 company records, followed by New York (232) and Bangalore (174).

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 24,950 professional contacts with verified work emails tracked across these 14,374 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.