Company lists · Data refreshed September 2026
Top 12 Critical infrastructure security integrators based in Doha, Qatar
RevenueBase identified 30 critical infrastructure security integrators headquartered in Doha, Qatar as of September 2026 and tracks 955 professional contacts across them, including 92 with verified work emails. Across Qatar, Doha is the largest hub for this category.
This list covers critical infrastructure security integrators headquartered in Doha, Qatar, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 27, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 12 largest critical infrastructure security integrators based in Doha, Qatar
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 257 contacts → | ||||
Partial evidence “European Guarding & Security Services co.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 242 contacts → | ||||
Partial evidence “Part of the 48+ years JBK Group,leading Systems Integrator headquartered in Doha, Qatar.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 50 contacts → | ||||
Partial evidence “Qatar Security Systems (QSSC), a subsidiary of Qatari Investors Group Technology (QIG Technology); specialized in integrated security systems, detection, life safety and other…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 44 contacts → | ||||
Partial evidence “Established in 2015, Elite Security Services (ESS) has grown to become one of Qatar’s most trusted names in security.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 23 contacts → | ||||
Partial evidence “Established in State of Qatar as a leading security and technology solutions provider.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 21 contacts → | ||||
Partial evidence “Salam Security Systems & Services (S4) is part of Salam International Investment Limited (SIIL), a publicly listed Qatari shareholding company.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 13 contacts → | ||||
Strong evidence “Orbit Security Systems is a specialized Security & IT Systems Integrator representing leading products from various U.S, European, and Australian product manufacturers.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 10 contacts → | ||||
Strong evidence “MOSECO A specialized Systems Integrator and large project Turnkey contractor for Cyber Security, National Security, Homeland Security, Digitization, Media Broadcast, Command and…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 4 contacts → | ||||
Partial evidence “Welcome to QRTD, a leading cybersecurity and IT system integrator that specializes in providing efficient digital solutions to our clients while ensuring protection against…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 3 contacts → | ||||
Partial evidence “GSS is a leading security solution system provider in Qatar with providing a wide range of security systems We design systems that provide intelligence, security, and control to…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 2 contacts → | ||||
Partial evidence “A rapidly growing technology services company which specializes in Information Security & Cyber Security.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 2 contacts → | ||||
Partial evidence “BPC plus is a consulting company based in Qatar, specialised in cyber security.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: critical infrastructure security integrators. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names critical infrastructure security integrators.
- Partial evidence
- Its own public description names part of critical infrastructure security integrators, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name critical infrastructure security integrators. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 12 of 30 critical infrastructure security integrators based in Doha, Qatar
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Critical infrastructure security integrators based in Doha, Qatar at a glance
As of Sep 27, 2026Companies by employee count
Email recency for this list is measured across the whole Qatar list rather than for Doha, so it is reported there. Company counts and contact totals on this page are exact for Doha, over 30 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among critical infrastructure security integrators, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Doha, Qatar whose own description of what they do matches “critical infrastructure security integrators”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names critical infrastructure security integrators), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among critical infrastructure security integrators, and records with no verified work email. Companies headquartered outside Doha are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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
- Every listed company carries at least one verified work email, 92 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 27, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names critical infrastructure security integrators, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many critical infrastructure security integrators are there based in Doha, Qatar?
RevenueBase identified 30 critical infrastructure security integrators headquartered in Doha, Qatar as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
European Guarding & Security Services, headquartered in Doha, tops this list with the largest team on record.
Which city in Qatar has the most critical infrastructure security integrators?
Doha leads Qatar with 30 headquartered companies, followed by Doha, Qatar (5) and Doha Doha (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 92 verified decision-maker contacts tracked across these 30 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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