Company lists · Data verified August 2026

Top 16 Iot security companies based in London, United Kingdom

The 49 IoT security companies based in London, United Kingdom listed here include contact details for 536 professionals and 125 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.

49Companies
536Contacts tracked
125Verified emails
25Mobile numbers
Unlock all 49 companies Free account · no credit card · 2 minutes

The 16 largest iot security companies based in London, United Kingdom

Ranked by team size
Top 16 of 49 iot security companies 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.
#CompanyHQEmployeesContactsVerified emails
1Gorilla Technology GroupLondon51-20018875
2Garrison NOW A Part Of EverfoxLondon51-200592
3NothreatLondon11-503616
4DeltaflareLondon11-50158
5TranchulasLondon11-50152
6CyberprismLondon11-50112
7Microsoft Azure CommunityLondon11-5091
8RiskxchangeLondon11-5082
9StrataLondon1-1055
10Cyber Tech GuardiansLondon1-1041
11TetherxLondon11-5032
12Trusted Knight CorporationLondon11-5032
13UncloakLondon1-1031
14Cansol ConsultingLondon11-5021
15Cyberrock LTDLondon1-1021
16Alion4London1-1011

Showing 16 of 49 iot security companies based in London, United Kingdom

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 125 reachable decision-makers.

Free account · no credit card

See all 49 companies

Iot security companies based in London, United Kingdom at a glance

As of Aug 28, 2026
1-10Median size (employees)
LondonLargest hub · 49 HQs
25Contacts with mobile numbers
2Emails re-verified in last 30 days

Companies by employee count

1-10
26
11-50
18
51-200
3
201-500
2

Iot security companies by metro in the United Kingdom

MetroCompanies
Iot security companies in London49
Iot security companies in Manchester3
Iot security companies in Cambridge2
Iot security companies in Birmingham2
Iot security companies in Flitton2
Iot security companies in Leeds2
Iot security companies in Cheltenham2

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 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; 2 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 49 companies based in London, United Kingdom.

How many IoT security companies are based in London, United Kingdom?

The directory lists 49 IoT security companies based in London, United Kingdom, with contact details for 536 professionals and 125 email addresses.

Where are IoT security companies located?

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

Ready to reach these companies? Verified emails and direct dials for all 49 iot security companies based in London, United Kingdom. Start with a free account, no credit card.

Get the full list

Related lists

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.