Company lists · Data refreshed September 2026

Top 25 Customer experience platform specialists based in the United Kingdom

RevenueBase identified 503 customer experience platform specialists headquartered in the United Kingdom as of September 2026 and tracks 15,438 professional contacts across them, including 5,011 with verified work emails. London is the largest hub.

This list covers customer experience platform specialists headquartered in the United Kingdom, 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 28, 2026.

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 28, 2026 86% judged on-target in blind review
503Companies
15,438Contacts tracked
5,011Verified emails
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The 25 largest customer experience platform specialists based in the United Kingdom

Ranked by team size
Top 25 of 503 customer experience platform specialists based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to customer experience platform specialists: 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
1Strong evidenceLondon, United KingdomHQ checked Sep 28, 20261,001-5,0002,965 contacts →

Strong evidence

“Ciklum is a global Experience Engineering firm that stands at the forefront of innovation, blending next-generation product engineering, exceptional customer experiences, and…”

Source: RevenueBase Database · checked Sep 28, 2026
2Indirect evidenceMotherwell, United KingdomHQ checked Sep 28, 20261,001-5,0001,244 contacts →

Indirect evidence

“Ascensos is now Firstsource.”

Source: RevenueBase Database · checked Sep 28, 2026
3Indirect evidenceGlasgow, United KingdomHQ checked Sep 28, 20261,001-5,000595 contacts →

Indirect evidence

“Kura is a global CX outsourcer.”

Source: RevenueBase Database · checked Sep 28, 2026
4Partial evidenceDatchet, United KingdomHQ checked Sep 28, 2026501-1,000534 contacts →

Partial evidence

“Your world is changing at lightning speed; new business models, new technologies, new competitors, and new customers.”

Source: RevenueBase Database · checked Sep 28, 2026
5Strong evidenceBracknell, United KingdomHQ checked Sep 28, 2026501-1,000428 contacts →

Strong evidence

“Content Guru is a leading global cloud Customer Experience (CX) technology provider and the only ‘challenger’ named in the 2025 Gartner® CCaaS Magic Quadrant™’.”

Source: RevenueBase Database · checked Sep 28, 2026
6Indirect evidenceLondon, United KingdomHQ checked Sep 28, 2026501-1,000408 contacts →

Indirect evidence

“Zenitech creates technology to transform businesses.”

Source: RevenueBase Database · checked Sep 28, 2026
7Partial evidenceLondon, United KingdomHQ checked Sep 28, 2026201-500398 contacts →

Partial evidence

“We’re Connect, a global systems integrator and digital transformation expert with over 35 years of experience.”

Source: RevenueBase Database · checked Sep 28, 2026
8Strong evidenceLondon, United KingdomHQ checked Sep 28, 2026201-500373 contacts →

Strong evidence

“Mapp helps marketers build personalized customer experiences through our SaaS platform, Mapp Marketing Cloud.”

Source: RevenueBase Database · checked Sep 28, 2026
9Partial evidenceLondon, United KingdomHQ checked Sep 28, 20265,001-10,000368 contacts →

Partial evidence

“Merkle, a dentsu company, powers the experience economy.”

Source: RevenueBase Database · checked Sep 28, 2026
10Indirect evidenceSouthend-on-sea, United KingdomHQ checked Sep 28, 2026501-1,000318 contacts →

Indirect evidence

“Ventrica is a global leader in delivering emotive CX through BPO.”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceBath, United KingdomHQ checked Sep 28, 202651-200221 contacts →

Indirect evidence

“Edit are future-focused data and technology experts.”

Source: RevenueBase Database · checked Sep 28, 2026
12Strong evidenceRichmond, United KingdomHQ checked Sep 28, 2026501-1,000162 contacts →

Strong evidence

“We are a leading UK customer experience outsourcer, recently named Gold winners for L&D Team of the Year 2025, Best Contact Centre Culture (Large) 2024 and Outsourced Contact…”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceManchester, United KingdomHQ checked Sep 28, 2026n/a162 contacts →

Indirect evidence

“The World's Largest Contact Centre and CX Community.”

Source: RevenueBase Database · checked Sep 28, 2026
14Strong evidenceBristol, United KingdomHQ checked Sep 28, 202651-200131 contacts →

Strong evidence

“Route 101 offers award-winning customer engagement solutions that help you reduce operational costs, enhance efficiency, and deliver a next-generation customer experience (CX).”

Source: RevenueBase Database · checked Sep 28, 2026
15Strong evidenceMoorgate, United KingdomHQ checked Sep 28, 202651-200127 contacts →

Strong evidence

“At Adqura, we pride ourselves in delivering an exceptional customer experience to our clients and enabling them to deliver a world-class experience to their customers.”

Source: RevenueBase Database · checked Sep 28, 2026
16Partial evidenceLondon, United KingdomHQ checked Sep 28, 202651-200102 contacts →

Partial evidence

“Massive Rocket is a global consultancy specializing in customer engagement, data, and CRM for enterprise brands.”

Source: RevenueBase Database · checked Sep 28, 2026
17Partial evidenceLondon, United KingdomHQ checked Sep 28, 202651-20099 contacts →

Partial evidence

“Marketers spend billions on attracting customers and yet more than 70% of first time interactions with a brand are also the last.”

Source: RevenueBase Database · checked Sep 28, 2026
18Partial evidenceLondon, United KingdomHQ checked Sep 28, 202651-20096 contacts →

Partial evidence

“We help businesses succeed in an ever-changing digital landscape and keep pace with evolving customer expectations.”

Source: RevenueBase Database · checked Sep 28, 2026
19Strong evidenceLondon, United KingdomHQ checked Sep 28, 202651-20092 contacts →

Strong evidence

“We are customer experience experts, working with our clients on bespoke strategies to engage customers along the entire customer journey.”

Source: RevenueBase Database · checked Sep 28, 2026
20Strong evidenceWest End, United KingdomHQ checked Sep 28, 202651-20089 contacts →

Strong evidence

“Brandwidth is a digital customer experience agency that has been helping brands to grow through digital transformation for over 20 years.”

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceGuildford, United KingdomHQ checked Sep 28, 202651-20086 contacts →

Indirect evidence

“We are Spotler!”

Source: RevenueBase Database · checked Sep 28, 2026
22Strong evidenceCheltenham, United KingdomHQ checked Sep 28, 202651-20085 contacts →

Strong evidence

“Signal, a Broadridge Company, is a UK customer communications specialist trusted by leading enterprises in the banking, insurance and social sectors to accelerate digital…”

Source: RevenueBase Database · checked Sep 28, 2026
23Partial evidenceRichmond, United KingdomHQ checked Sep 28, 202651-20084 contacts →

Partial evidence

“Engage Your Customers; a world leader analytical and customer centric technology company with powerful consulting services.”

Source: RevenueBase Database · checked Sep 28, 2026
24Indirect evidenceLondon, United KingdomHQ checked Sep 28, 2026201-50084 contacts →

Indirect evidence

“We do what very few digital agencies do.”

Source: RevenueBase Database · checked Sep 28, 2026
25Strong evidenceLondon, United KingdomHQ checked Sep 28, 202651-20083 contacts →

Strong evidence

“Remarkable is an award winning agency that brings together deep expertise across multiple specialisms to solve complex brand experiences.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 503 customer experience platform specialists based in the United Kingdom

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Customer experience platform specialists based in the United Kingdom at a glance

As of Sep 28, 2026
32.5%Verified-email coverage
30.7Average contacts per company
1-10Median size (employees)
42.3%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
253
11-50
138
51-200
85
201-500
10
501-1,000
6
1,001-5,000
6
5,001-10,000
2

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 503 companies.

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 customer experience platform specialists, 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.
What qualifies
Companies headquartered in the United Kingdom whose own description of what they do matches “customer experience platform specialists”. 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 customer experience platform specialists), 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 customer experience platform specialists, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
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, 5,011 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 28, 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.

Customer experience platform specialists by metro

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 customer experience platform specialists, 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 customer experience platform specialists are there based in the United Kingdom?

RevenueBase identified 503 customer experience platform specialists headquartered in the United Kingdom 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?

Ciklum, headquartered in London, tops this list with the largest team on record.

Which city has the most customer experience platform specialists?

London leads with 213 headquartered companies, followed by Manchester (13) and Bristol (7).

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 5,011 verified decision-maker contacts tracked across these 503 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 28, 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.