Company lists · Data refreshed September 2026
Top 25 Contact center automation services based in London, United Kingdom
RevenueBase identified 140 contact center automation services headquartered in London, United Kingdom as of September 2026 and tracks 3,915 professional contacts across them, including 758 with verified work emails. Across the United Kingdom, London is the largest hub for this category.
This list covers contact center automation services headquartered in London, 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 27, 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.
The 25 largest contact center automation services based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,991 contacts → | ||||
Indirect evidence “We believe customers and employees should be looked after, and every interaction is an opportunity for a conversation and to learn more about them.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 433 contacts → | ||||
Indirect evidence “We've moved!” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 127 contacts → | ||||
Strong evidence “Natterbox is an AI-powered contact center solution that's natively integrated to Salesforce.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 98 contacts → | ||||
Strong evidence “Founded in 1988, RSVP is the oldest provider of contact centre services in the UK.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 85 contacts → | ||||
Indirect evidence “Humanizing AI-Powered Customer Support The future of customer support is intelligent, efficient-and unmistakably human.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 63 contacts → | ||||
Strong evidence “Business Systems is a trusted transformation partner with over 35 years of experience helping CX teams and contact centres become smarter, faster and more compliant.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 59 contacts → | ||||
Strong evidence “CallCare is your outsourced contact centre and customer service partner.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 52 contacts → | ||||
Indirect evidence “Creative Virtual is a conversational AI leader recognised in the industry for our nearly two decades of experience and unmatched expertise.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 46 contacts → | ||||
Partial evidence “Founded in 2018 by a team with international experience, develops conversational automation solutions that manage for some of the ’.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 30 contacts → | ||||
Indirect evidence “RocketPhone.ai empowers organisations to unlock the full potential of their customer conversations by transforming them into actionable insights.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 30 contacts → | ||||
Indirect evidence “Over the 14 years of experience, Nanosemantics Lab has accumulated multiple technologies for human-machine communication, in addition to the vast knowledge database of dialogs in…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 29 contacts → | ||||
Indirect evidence “QStory is a complete WFM platform that eliminates the trade-offs between operational efficiency, customer service, and employee experience.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 25 contacts → | ||||
Strong evidence “Noetica are a provider of Customer Interaction Management software for use in contact centres.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 22 contacts → | ||||
Partial evidence “ContactEngine is an award-winning proactive conversational AI technology used by large corporations across industries to automate customer communications.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 22 contacts → | ||||
Indirect evidence “ConnectiveOne is an omnichannel AI communication platform designed to help companies deliver top-tier customer service.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 16 contacts → | ||||
Strong evidence “Specialised cloud contact centre services for charities, retail, public bodies & construction.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 15 contacts → | ||||
Indirect evidence “Fully Autonomous Customer Experiences Our autonomous AI technology handles all customer interactions seamlessly, with no need for human agents.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 10 contacts → | ||||
Indirect evidence “Cloudax is the always connected conversational AI platform.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 10 contacts → | ||||
Indirect evidence “Alana transforms customer service by delivering intuitive, human-like interactions that enhance satisfaction and drive business results.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 8 contacts → | ||||
Partial evidence “Confero is a UK based outsourced call centre business, focussed on delivering high quality inbound, outbound, and digital services to our clients.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 7 contacts → | ||||
Indirect evidence “At alaouico, we understand the challenges businesses face with customer interactions-whether it's managing high call volumes, ensuring timely responses, or maintaining customer…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 7 contacts → | ||||
Strong evidence “Phase2 is a specialist Cloud Contact Centre (CCaaS) solutions partner, delivering bespoke, data-driven solutions that transform customer experience and business operations.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 6 contacts → | ||||
Indirect evidence “Kasookoo is a dynamic cloud-native platform that is redefining business communication.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 6 contacts → | ||||
Indirect evidence “At Stobee, we provide the space for you to enhance customer interactions, making more memorable meaningful relationships.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 5 contacts → | ||||
Strong evidence “Cloudworks.cc is the SaaS child of Sensée, the pioneers in work-from-home (aka home working) for medium to large contact centres.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
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: contact center automation services. 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 contact center automation services.
- Partial evidence
- Its own public description names part of contact center automation services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name contact center automation services. 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 140 contact center automation services based in London, United Kingdom
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Contact center automation services based in London, United Kingdom at a glance
As of Sep 27, 2026Companies by employee count
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 140 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 contact center automation services, 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 London, United Kingdom whose own description of what they do matches “contact center automation services”. 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 contact center automation services), 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 contact center automation services, and records with no verified work email. Companies headquartered outside London 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, 758 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 27, 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.
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 contact center automation services, 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 contact center automation services are there based in London, United Kingdom?
RevenueBase identified 140 contact center automation services headquartered in London, 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?
Quantanite, headquartered in London, tops this list with the largest team on record.
Which city in the United Kingdom has the most contact center automation services?
London leads the United Kingdom with 140 headquartered companies, followed by Manchester (18) and Glasgow (10).
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 758 verified decision-maker contacts tracked across these 140 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 27, 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.
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