Company lists · Data refreshed September 2026

Top 24 AI agent builders based in London, United Kingdom

RevenueBase identified 266 company matches for AI agent builders associated with London, United Kingdom as of September 2026 and tracks 1,773 professional contacts across them, including 240 with verified work emails and 183 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for AI agent builders 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 September 20, 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 Sep 20, 2026 How this list was built
266Companies
1,773Contacts tracked
240Verified emails
183Mobile numbers
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The 24 largest AI agent builders based in London, United Kingdom

Ranked by team size
Top 24 of 266 company matches for AI agent builders based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-20083 contacts →

Exact match

“Complexio is the intelligence layer for enterprise AI.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-20055 contacts →

Exact match

“We build AI Native companies.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-20047 contacts →

Exact match

“Digital Apple is a full-service creative agency for B2B.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-20046 contacts →

Exact match

“At NDI, we enable artificial Intelligence in businesses for companies of all sizes through simple AI transformation and risk-free AI Automation.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-20041 contacts →

Exact match

“Talks & Talks Technologies Ltd – Building the Global Agentic AI Ecosystem Talks & Talks Technologies is a next-generation Agentic AI productivity and automation company…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5032 contacts →

Exact match

“Let anyone launch AI agents in days with natural language, without draining dev resources.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5032 contacts →

Exact match

“At Veyn.ai, we are at the forefront of innovation, transforming the way businesses connect with their customers through advanced Conversational AI and Generative AI technologies.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5024 contacts →

Exact match

“Backed by over 20 years of process automation experience, jaam automation is now leading the way in the exciting new era of Agentic AI, helping businesses to unlock its…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-20024 contacts →

Exact match

“Discover Swifter: the AI-native hub that helps IT and product teams deliver secure, enterprise-grade business applications 5x faster.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5021 contacts →

Exact match

“Enterprise-grade AI reasoning engine | AI Agent SDK & Orchestration Layer | Agent Marketplace : x.com/openservai : https://t.me/openservai :@openservai …”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5015 contacts →

Exact match

“DeepFlow solves AI transformation to enable companies to hit hyperscale.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5013 contacts →

Exact match

“Tovie AI delivers AI solutions from voice and text bots to agents driven by Generative AI.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5013 contacts →

Exact match

“The operating system and network for autonomous companies.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5010 contacts →

Exact match

“CognitionHub is the private network for e-commerce founders, operators and owners.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5010 contacts →

Exact match

“At Zappr.AI, we're passionate about helping businesses, teams, and individuals unlock the full potential of artificial intelligence.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 20, 20261-109 contacts →

Exact match

“Skippr is a voice-first AI agent that operates software for the people using it.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Sep 20, 20261-109 contacts →

Exact match

“Swiftsell, Customer operations that run themselves.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 20, 20261-109 contacts →

Exact match

“Honu is a platform for launching AI-operated businesses.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 20, 20261-108 contacts →

Exact match

“At Zinia, we believe the pursuit of optimized business outcomes in organizations hinges on Human-centered AI.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-507 contacts →

Exact match

“Empowering Digital Experiences with Intelligent AI Solutions: At Sodaclick, we redefine the future of digital interactions.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-507 contacts →

Exact match

“Redsand provides the intelligence layer inside the environment itself, allowing AI to process data locally, continuously and in real time.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 20, 20261-107 contacts →

Exact match

“We specialize in simplifying AI solutions development to empower businesses to unlock their full potential in the digital era.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-506 contacts →

Exact match

“Build AI agents with specialist skills.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Sep 20, 20261-106 contacts →

Exact match

“Growy is the AI platform that answers, acts and learns, always on, always working for your business.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 24 of 266 AI agent builders based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 240 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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AI agent builders based in London, United Kingdom at a glance

As of Sep 20, 2026
13.5%Verified-email coverage
10.3%Mobile-number coverage
6.7Average contacts per company
1-10Median size (employees)
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
172
11-50
77
51-200
13
201-500
4

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 22.0d

Company record updated

Median 63.0d

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 “AI agent builders” 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 240 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 September 20, 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 “AI agent builders”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many AI agent builders are there based in London, United Kingdom?

RevenueBase identified 266 company matches for AI agent builders associated with London, United Kingdom as of September 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?

Complexio 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 AI agent builders?

London leads the United Kingdom with 147 company records, followed by Manchester (7) and Birmingham (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 240 professional contacts with verified work emails tracked across these 266 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 September 20, 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.