Company lists · Data refreshed September 2026
Top 15 Research institutes based in Slovenia
RevenueBase identified 43 research institutes headquartered in Slovenia as of September 2026 and tracks 1,909 professional contacts across them, including 604 with verified work emails. Ljubljana is the largest hub.
This list covers research institutes headquartered in Slovenia, 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 21, 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 15 largest research institutes based in Slovenia
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 764 contacts → | ||||
Strong evidence “The Jožef Stefan Institute is the leading Slovenian scientific research institute, covering a broad spectrum of basic and applied research.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 123 contacts → | ||||
Strong evidence “The Research Centre of the Slovenian Academy of Sciences and Arts (ZRC SAZU) was established as an independent public research institution in 1981 and has since become one of the…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 117 contacts → | ||||
Partial evidence “Slovenian National Building and Civil Engineering Institute or Zavod za gradbeništvo Slovenije (ZAG Ljubljana) is the leading Slovenian institute in the field of building and…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 63 contacts → | ||||
Partial evidence “The Faculty offers courses for all three levels of higher education and conducts research in the fields of mathematics, computer science and information technology, and in the…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 62 contacts → | ||||
Strong evidence “Agricultural Institute of Slovenia is a public research institute founded in 1898 making it the oldest institution of its kind in Slovenia.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 54 contacts → | ||||
Strong evidence “The InnoRenew CoE is an interdisciplinary research institute located in Slovenia.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 38 contacts → | ||||
Partial evidence “Elektroinstitut Milan Vidmar (EIMV) is the leading Slovenian engineering and scientific research organisation acting in the area of electric power engineering and was established…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 35 contacts → | ||||
Strong evidence “Rudolfovo – Science and Technology Centre Novo mesto is a public research institute founded in 2022 with a clear mission: to co-create, develop and transfer high-tech knowledge…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 23 contacts → | ||||
Strong evidence “PRESENTATION The Educational Research Institute (ERI) is the central research institution in Slovenia for research in education undertaking basic research, development and applied…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 21 contacts → | ||||
Strong evidence “The Institute for Economic Research (IER) is an autonomous non-governmental research organisation with a long tradition in the field of macroeconomic and microeconomic analysis.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 18 contacts → | ||||
Strong evidence “The Institute of Metals and Technology (IMT) is a public research institute for fundamental and applied research in natural, technical and environmental sciences.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 13 contacts → | ||||
Partial evidence “Building and Civil Engineering Institute ZRMK (Gradbeni inštitut ZRMK), founded in 1993 and building on a tradition dating back to 1949, is Slovenia’s leading institute for…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 13 contacts → | ||||
Indirect evidence “Mednarodna podiplomska šola Jožefa Stefana is a higher education company based out of Osrednjeslovenska, Slovenia.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 6 contacts → | ||||
Strong evidence “The Peace Institute – Institute for Contemporary Social and Political Studies – is a non-profit research institution developing interdisciplinary research activities in various…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 3 contacts → | ||||
Partial evidence “IOS’s strategy is to continually acquire new expertise and apply it to the economic and research area, both home and international.” Source: RevenueBase Database · checked Sep 21, 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: research institutes. 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 research institutes.
- Partial evidence
- Its own public description names part of research institutes, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name research institutes. 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 15 of 43 research institutes based in Slovenia
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Research institutes based in Slovenia at a glance
As of Sep 21, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Slovenia, so it is reported there. Company counts and contact totals on this page are exact for Slovenia, over 43 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 research institutes, 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 Slovenia whose own description of what they do matches “research institutes”. 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 research institutes), 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 research institutes, and records with no verified work email. Companies headquartered outside Slovenia 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, 604 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 21, 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.
Research institutes by metro
- Research institutes in Ljubljana27
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 research institutes, 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 research institutes are there based in Slovenia?
RevenueBase identified 43 research institutes headquartered in Slovenia 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?
Jozef Stefan Institute, headquartered in Ljubljana, tops this list with the largest team on record.
Which city has the most research institutes?
Ljubljana leads with 27 headquartered companies, followed by Maribor (5) and Koper (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 604 verified decision-maker contacts tracked across these 43 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 21, 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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