Company lists · Data refreshed November 2026

Top 22 Customer experience platform developers based in London, United Kingdom

Name: Customer experience platform developers based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 107 companies tracked

RevenueBase identified 107 company matches for customer experience platform developers associated with London, United Kingdom as of November 2026 and tracks 3,476 professional contacts across them, including 1,576 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for customer experience platform developers associated with London, United Kingdom, 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 5, 2026.

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 5, 2026 How this list was built

107Companies

3,476Contacts tracked

1,576Verified emails

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The 22 largest customer experience platform developers based in London, United Kingdom

Ranked by team size

Top 22 of 107 company matches for customer experience platform developers based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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	MAPP	Exact match	London, United KingdomHQ recorded Nov 5, 2026	201-500	362 contacts →
	Exact match “Mapp helps marketers build personalized customer experiences through our SaaS platform, Mapp Marketing Cloud.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Actito Previously Smartfocus	Exact match	London, United KingdomHQ recorded Nov 5, 2026	51-200	108 contacts →
	Exact match “Marketers spend billions on attracting customers and yet more than 70% of first time interactions with a brand are also the last.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	Massive Rocket Global Braze & Snowflake Agency	Exact match	London, United KingdomHQ recorded Nov 5, 2026	51-200	96 contacts →
	Exact match “Massive Rocket is a global consultancy specializing in customer engagement, data, and CRM for enterprise brands.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	Pisano	Exact match	London, United KingdomHQ recorded Nov 5, 2026	51-200	82 contacts →
	Exact match “Collect, analyze, and act on feedback from all touchpoints with a unified XM platform powered by a Generative AI-driven assistant.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	Pobuca	Exact match	London, United KingdomHQ recorded Nov 5, 2026	51-200	73 contacts →
	Exact match “Pobuca, the Customer Experience (CX) company.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Chattermill	Exact match	London, United KingdomHQ recorded Nov 5, 2026	51-200	70 contacts →
	Exact match “Chattermill is the AI-native Customer Intelligence platform that turns messy customer feedback from every source - surveys, reviews, support tickets, social - into evidence-backed…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Silverbullet	Exact match	London, United KingdomHQ recorded Nov 5, 2026	51-200	57 contacts →
	Exact match “Silverbullet is a leading Data-Driven Customer Experience (CX) Company that empowers the world's leading brands to better understand the data they collect, store, and activate to…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Proximity London	Exact match	London, United KingdomHQ recorded Nov 5, 2026	201-500	48 contacts →
	Exact match “Proximity London is an award-winning customer experience agency that brings brands and people closer together through authentic human experiences.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	PLINC	Exact match	London, United KingdomHQ recorded Nov 5, 2026	51-200	46 contacts →
	Exact match “Plinc helps brands turn first-party data into competitive advantage.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Rapier AI Analytics	Exact match	London, United KingdomHQ recorded Nov 5, 2026	11-50	43 contacts →
	Exact match “We are Rapier, a leading AI customer growth platform with a strong focus on transforming first-party customer data into business growth.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	Countly	Exact match	London, United KingdomHQ recorded Nov 5, 2026	51-200	41 contacts →
	Exact match “Countly is a first-party digital analytics and customer engagement platform that gives organizations complete ownership of their data and product intelligence - across every…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	Crownpeak Product Discovery	Exact match	London, United KingdomHQ recorded Nov 5, 2026	51-200	40 contacts →
	Exact match “Crownpeak strives to enable customers to create tailored digital experiences, to expand their brand and grow their revenue.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	Abacus	Exact match	London, United KingdomHQ recorded Nov 5, 2026	51-200	40 contacts →
	Exact match “Abacus is a Software as a Service (SaaS) provider with unique proprietary Customer Data Platform (CDP) and Digital eXperience Platform (DXP) offerings.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	io.tt	Exact match	London, United KingdomHQ recorded Nov 5, 2026	11-50	33 contacts →
	Exact match “io.tt is a Connected Experiences Platform used by brands to deliver connected experience programmes across trillions of brand touchpoints globally.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Hugo & CAT	Exact match	London, United KingdomHQ recorded Nov 5, 2026	51-200	33 contacts →
	Exact match “Next-generation experiences for customer obsessed businesses We’re Hugo & Cat.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	Leadscale Group	Exact match	London, United KingdomHQ recorded Nov 5, 2026	11-50	31 contacts →
	Exact match “LeadScale provides the greatest leverage to any business – the ability to use personal data to identify more opportunities earlier, driving revenue at scale.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Loop Horizon	Exact match	London, United KingdomHQ recorded Nov 5, 2026	11-50	28 contacts →
	Exact match “We deploy elite teams to accelerate returns from your customer data.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	Yieldify	Exact match	London, United KingdomHQ recorded Nov 5, 2026	51-200	25 contacts →
	Exact match “Yieldify is a personalization platform that helps marketers unlock more revenue by engaging their customers with personalized experiences.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	Open Reply UK	Exact match	London, United KingdomHQ recorded Nov 5, 2026	11-50	21 contacts →
	Exact match “Open Reply is an AI-first product engineering consultancy.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Dotdigital Group PLC	Exact match	London, United KingdomHQ recorded Nov 5, 2026	201-500	21 contacts →
	Exact match “Dotdigital Group plc is a leading provider of cross-channel marketing automation technology to marketing professionals.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Cloudinteract	Exact match	London, United KingdomHQ recorded Nov 5, 2026	11-50	20 contacts →
	Exact match “We build customer experience platforms and unlock your data to make customer interactions your competitive advantage.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Zzgtech	Exact match	London, United KingdomHQ recorded Nov 5, 2026	11-50	19 contacts →
	Exact match “ZZGTech builds secure and scalable infrastructure for modern marketing and customer communication.” Recorded in the RevenueBase company graph · Nov 5, 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 “customer experience platform developers”. 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 22 of 107 customer experience platform developers based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 1,576 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Customer experience platform developers based in London, United Kingdom at a glance

As of Nov 5, 2026

45.3%Verified-email coverage

32.5Average contacts per company

11-50Median size (employees)

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 107 companies.

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.
What qualifies: Company records associated with London, United Kingdom whose business descriptions match “customer experience platform developers” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 1,576 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 5, 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.

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 “customer experience platform developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many customer experience platform developers are there based in London, United Kingdom?

RevenueBase identified 107 company matches for customer experience platform developers associated with London, United Kingdom 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?

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

Which city in the United Kingdom has the most customer experience platform developers?

London leads the United Kingdom with 107 company records, followed by Manchester (10) and Bristol (4).

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 1,576 professional contacts with verified work emails tracked across these 107 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 5, 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.