Company lists · Data refreshed September 2026
Top 10 Security system maintenance companies based in Romania
RevenueBase identified 90 security system maintenance companies headquartered in Romania as of September 2026 and tracks 414 professional contacts across them, including 23 with verified work emails. Bucharest is the largest hub.
This list covers security system maintenance companies headquartered in Romania, 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 29, 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 10 largest security system maintenance companies based in Romania
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 60 contacts → | ||||
Partial evidence “ADVANCE SRL a fost fondata in anul pentru a promova si furniza solutii tehnologice de varf pentru sistemele de securitate care ofera clientilor o siguranta si o eficienta sporita.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 25 contacts → | ||||
Partial evidence “Serviciile noastre- Pază și Protecție - Instalări și Mentenanță Sisteme de Securitate - Monitorizare și Intervenție - Supraveghere Video - Securitate Evenimente - Transport de…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 11 contacts → | ||||
Partial evidence “UltraVision Consult is driving the future of security and automation in Central and Eastern Europe.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 9 contacts → | ||||
Indirect evidence “KRENIC a luat fiinta in anul 2008, numara in prezent 20 de angajati, formand o echipa de experti care ofera profesionalism, calitate si seriozitate.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 8 contacts → | ||||
Partial evidence “Security Business team este o echipa formata din consultanti de securitate cu o experienta de peste 10 ani, atat in concepte de securitate cat si instalarea efectiva a peste 800…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 7 contacts → | ||||
Partial evidence “At KSS, we understand that security is more than just technology-it’s about peace of mind, trust, and protecting what matters most.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 5 contacts → | ||||
Partial evidence “Perspective Security instaleaza, programeaza, tine in mentenanta sisteme de securitate industriale precum CCTV, efractie, eas, sonorizare, pontaj.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 4 contacts → | ||||
Partial evidence “Cu o experiență de peste 15 ani, echipa High Tech Security România a asigurat satisfacția clienților printr-o manieră de lucru responsabilă și transparență.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 4 contacts → | ||||
Partial evidence “Bitroot Solutions este o companie specializata in furnizarea de servicii si solutii de securitate si infrastructura IT.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 1 contacts → | ||||
Indirect evidence “Instalari si verificari instalatii limitare si stingere Instalari si verificari instalatii desfumare Instalari si verificari instalatii detectie si alarmare Mentenanta tehnica…” Source: RevenueBase Database · checked Sep 29, 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: security system maintenance companies. 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 security system maintenance companies.
- Partial evidence
- Its own public description names part of security system maintenance companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name security system maintenance companies. 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 10 of 90 security system maintenance companies based in Romania
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Security system maintenance companies based in Romania at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Romania, so it is reported there. Company counts and contact totals on this page are exact for Romania, over 90 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 security system maintenance companies, 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 Romania whose own description of what they do matches “security system maintenance companies”. 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 security system maintenance companies), 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 security system maintenance companies, and records with no verified work email. Companies headquartered outside Romania 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, 23 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 29, 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 security system maintenance companies, 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 security system maintenance companies are there based in Romania?
RevenueBase identified 90 security system maintenance companies headquartered in Romania 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?
Advance SRL, headquartered in Cluj-Napoca, tops this list with the largest team on record.
Which city has the most security system maintenance companies?
Bucharest leads with 31 headquartered companies, followed by Cluj-Napoca (10) and Baia Mare (3).
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 23 verified decision-maker contacts tracked across these 90 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 29, 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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