Company lists · Data verified August 2026
Top 12 Encrypted messaging platforms based in the United Kingdom
There are 31 encrypted messaging platforms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 281 professional contacts across them, including 129 with verified work emails and 25 with mobile numbers. London is the largest hub.
This list covers encrypted messaging platforms headquartered in the 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.
The 12 largest encrypted messaging platforms based in the United Kingdom
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 |  Element | 57 |
| 2 |  Galaxkey | 29 |
| 3 | Salt Communications | 11 |
| 4 | YEO Messaging | 6 |
| 5 |  Beyond Encryption | 13 |
| 6 |  Cyber1st | 4 |
| 7 |  Stealthmail | 3 |
| 8 |  Qrispy | 1 |
| 9 | Tappter | 2 |
| 10 |  HAIA | 1 |
| 11 |  Chatpro | 1 |
| 12 |  Cell Guard Technologies | 1 |
Showing 12 of 31 encrypted messaging platforms based in the United Kingdom
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Encrypted messaging platforms based in the United Kingdom at a glance
As of Aug 28, 2026Companies by employee count
Encrypted messaging platforms by metro
| Metro | Companies |
|---|---|
| Encrypted messaging platforms in London | 21 |
| Encrypted messaging platforms in Fareham | 1 |
| Encrypted messaging platforms in Milton Keynes | 1 |
| Encrypted messaging platforms in Gaerwen | 1 |
| Encrypted messaging platforms in Belfast | 1 |
| Encrypted messaging platforms in St. Albans | 1 |
| Encrypted messaging platforms in Bristol | 1 |
| Encrypted messaging platforms in Bath | 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 “encrypted messaging platforms”, with match quality audited by blind human judging, and headquartered in the 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 encrypted messaging platforms are there based in the United Kingdom?
There are 31 encrypted messaging platforms headquartered in the United Kingdom as of August 2026 (RevenueBase).
What is the largest company on this list?
Element, headquartered in London, tops this list with the largest team on record.
Which city has the most encrypted messaging platforms?
London leads with 21 headquartered companies, followed by Fareham (1) and Milton Keynes (1).
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 129 verified decision-maker contacts tracked across these 31 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.
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