Company lists · Data verified August 2026

Top 20 Iot security companies based in Spain

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 61 companies tracked

The 61 IoT security companies based in Spain listed here include contact details for 2,259 professionals and 155 email addresses. Madrid 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.

61Companies

2,259Contacts tracked

155Verified emails

32Mobile numbers

Unlock all 61 companies Free account · no credit card · 2 minutes

The 20 largest iot security companies based in Spain

Ranked by team size

Top 20 of 61 iot security companies based in Spain, 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	Alhambra IT	Madrid	201-500	228	26
2	Essence Group	Madrid	201-500	214	17
3	A3sec	Madrid	51-200	122	24
4	Tarlogic	n/a	51-200	122	21
5	Innotec Security	Madrid	501-1,000	105	14
6	GSS Security	n/a	51-200	89	9
7	Hispasec	Malaga	51-200	68	11
8	Covert Security Plana Fābrega	Madrid	51-200	39	8
9	Apolo Cybersecurity	Barcelona	11-50	37	5
10	Segurisur	Torremolinos	51-200	24	3
11	Beonesec Cybersecurity	Sevilla	11-50	20	3
12	Cybertix Simulation Technologies	San Sebastian	11-50	17	2
13	Tecisa	Madrid	11-50	16	2
14	Ralset Seguridad	Torrelavega	11-50	14	1
15	Electro Alavesa Seguridad By Attlon	Vitoria	11-50	13	3
16	Blackdogs	Barcelona	1-10	8	1
17	Enigmedia	San Sebastian	11-50	6	1
18	TBO Security	Reus	11-50	6	1
19	Cibersegura	n/a	1-10	3	2
20	Cloudtainer	Bilbao	11-50	1	1

Showing 20 of 61 iot security companies based in Spain

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 155 reachable decision-makers.

Free account · no credit card

See all 61 companies

Iot security companies based in Spain at a glance

As of Aug 28, 2026

11-50Median size (employees)

MadridLargest hub · 15 HQs

32Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Iot security companies by metro

Metro	Companies
Iot security companies in Madrid	15
Iot security companies in Malaga	5
Iot security companies in Barcelona	5
Iot security companies in Sevilla	2
Iot security companies in San Sebastian	2
Iot security companies in Ceuti	1
Iot security companies in Torremolinos	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 “iot security companies”, with match quality audited by blind human judging, and headquartered in Spain.
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; 1 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 61 companies based in Spain.

How many IoT security companies are based in Spain?

The directory lists 61 IoT security companies based in Spain, with contact details for 2,259 professionals and 155 email addresses.

Where are IoT security companies located?

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

Ready to reach these companies? Verified emails and direct dials for all 61 iot security companies based in Spain. Start with a free account, no credit card.

Get the full list

Related lists

Iot security companies by geography

Browse the directory

Browse: Companies home · All Spain lists · All Iot security companies lists · New 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.