Company lists · Data verified August 2026

Top 15 Book publishing platforms based in London, United Kingdom

Name: Book publishing platforms based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 39 companies tracked

There are 39 book publishing platforms headquartered in London, United Kingdom (RevenueBase, August 2026). RevenueBase tracks 756 professional contacts across them, including 96 with verified work emails and 109 with mobile numbers. London is the largest hub.

This list covers book publishing platforms headquartered in London, United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

39Companies

756Contacts tracked

96Verified emails

109Mobile numbers

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The 15 largest book publishing platforms based in London, United Kingdom

Ranked by team size

Top 15 of 39 book publishing platforms based in London, United Kingdom, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Reedsy	London	n/a	304	40
2	Relay Publishing	London	51-200	33	9
3	Supadu	London	51-200	25	20
4	Glassboxx	London	11-50	13	6
5	Cranthorpe Millner Publishers	London	1-10	12	5
6	Briefcase	London	1-10	11	3
7	Nespola The Publishing Company	London	11-50	10	1
8	Monwell LTD	London	1-10	6	5
9	Ingenious Books	London	1-10	3	1
10	Triobo LTD	London	1-10	2	1
11	Bookvolts Limited	London	1-10	2	1
12	Onyx Publishing	London	1-10	2	1
13	Bookempress Limited	London	1-10	1	1
14	Today IS About	London	1-10	1	1
15	Jellybooks	London	1-10	1	1

Showing 15 of 39 book publishing platforms based in London, United Kingdom

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Book publishing platforms based in London, United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 40 HQs

109Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Book publishing platforms by metro in the United Kingdom

Metro	Companies
Book publishing platforms in London	40
Book publishing platforms in St Albans	2
Book publishing platforms in Newbury	2
Book publishing platforms in Liverpool	2
Book publishing platforms in Beaconsfield	1
Book publishing platforms in Beckenham	1
Book publishing platforms in Shiremoor	1

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “book publishing platforms”, with match quality audited by blind human judging, and headquartered in London, United Kingdom.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many book publishing platforms are there based in London, United Kingdom?

There are 39 book publishing platforms headquartered in London, United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most book publishing platforms?

London leads with 40 headquartered companies, followed by St Albans (2) and Newbury (2).

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 96 verified decision-maker contacts tracked across these 39 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.