Company lists · Data verified August 2026

Top 25 Iot security companies based in the United Kingdom

Name: Iot security companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 110 companies tracked

The 110 IoT security companies based in the United Kingdom listed here include contact details for 2,419 professionals and 782 email addresses. London is the single most-represented city among the companies on this list. This directory was updated in August 2026.

IoT security companies provide products and services that protect connected devices, networks, data, and applications from unauthorized access, disruption, and misuse. This list covers companies that provide security products or services for Internet of Things devices, networks, data, or applications. Ranked by team size, largest first. Data current as of August 28, 2026.

110Companies

2,419Contacts tracked

782Verified emails

156Mobile numbers

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The 25 largest iot security companies based in the United Kingdom

Ranked by team size

Top 25 of 110 iot security companies based in the 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	SISA	Leicester	201-500	739	253
2	Bsquare A Brand Of Kontron	Trowbridge	51-200	294	6
3	Quorum Cyber	Edinburgh	201-500	292	177
4	Gorilla Technology Group	London	51-200	188	75
5	Khipu Networks	Fleet	51-200	129	94
6	Telesoft	Blandford	51-200	68	19
7	Garrison NOW A Part Of Everfox	London	51-200	59	2
8	Attivo Networks , A Sentinelone Company	Cambridge	1,001-5,000	57	21
9	Nothreat	London	11-50	36	16
10	Cylera	Cheltenham	51-200	32	13
11	Angoka	Belfast	11-50	23	13
12	Giraffe Cctv	Barnstaple	11-50	21	1
13	Webeye Limited	Mansfield	11-50	16	11
14	Deltaflare	London	11-50	15	8
15	Tranchulas	London	11-50	15	2
16	Cyberprism	London	11-50	11	2
17	Microsoft Azure Community	London	11-50	9	1
18	Netaccess LTD	Flitton	11-50	8	6
19	Y3k Europe LTD	Caterham	11-50	8	3
20	Riskxchange	London	11-50	8	2
21	JC Cyber Security Services	Birmingham	1-10	8	1
22	Blueskytec	Bath	11-50	7	6
23	Exacttrak LTD	Cheltenham	11-50	7	2
24	Periphery	Leeds	1-10	6	4
25	Tactile Technology	Birmingham	1-10	6	4

Showing 25 of 110 iot security companies based in the United Kingdom

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Iot security companies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 49 HQs

156Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Iot security companies by metro

Metro	Companies
Iot security companies in London	49
Iot security companies in Manchester	3
Iot security companies in Cambridge	2
Iot security companies in Birmingham	2
Iot security companies in Flitton	2
Iot security companies in Leeds	2
Iot security companies in Cheltenham	2

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 “iot security companies”, 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; 5 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

What do IoT security companies do?

IoT security companies protect connected devices, networks, data, and applications from unauthorized access, disruption, and misuse. The list includes 110 companies based in the United Kingdom.

How many IoT security companies are based in the United Kingdom?

The directory lists 110 IoT security companies based in the United Kingdom, with contact details for 2,419 professionals and 782 email addresses.

Where are IoT security companies located?

IoT security companies on this list are located across United Kingdom. London is the single most-represented city among the companies on the list.

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Iot security companies by geography

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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.