Company lists · Data refreshed October 2026

Top 25 Infrastructure design consultancies based in Slovenia

Name: Infrastructure design consultancies based in Slovenia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 56 companies tracked

RevenueBase identified 56 company matches for infrastructure design consultancies associated with Slovenia as of October 2026 and tracks 556 professional contacts across them, including 297 with verified work emails and 5 with mobile numbers. Ljubljana is the largest hub.

This list covers company matches for infrastructure design consultancies associated with Slovenia, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 1, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 1, 2026 How this list was built

56Companies

556Contacts tracked

297Verified emails

5Mobile numbers

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The 25 largest infrastructure design consultancies based in Slovenia

Ranked by team size

Top 25 of 56 company matches for infrastructure design consultancies based in Slovenia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Elea IC D.O.O	Exact match	Ljubljana, SloveniaHQ recorded Oct 1, 2026	51-200	90 contacts →
	Exact match “Elea iC is one of the largest interdisciplinary providers of intellectual services in Slovenia.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	IBE D.D	Exact match	Ljubljana, SloveniaHQ recorded Oct 1, 2026	51-200	58 contacts →
	Exact match “In IBE we see our mission as providing CONSULTING, DESIGN and ENGINEERING services in the areas of ENERGY, INDUSTRY, INFRASTRUCTURE, PUBLIC and COMMERCIAL SECTOR and ENVIRONMENTAL…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	DRI Upravljanje Investicij, D. O. O	Exact match	Ljubljana, SloveniaHQ recorded Oct 1, 2026	201-500	57 contacts →
	Exact match “DRI upravljanje investicij, d.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Lineal D.O.O	Exact match	Maribor, SloveniaHQ recorded Oct 1, 2026	51-200	32 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	PNZ D.O.O	Exact match	Ljubljana, SloveniaHQ recorded Oct 1, 2026	11-50	29 contacts →
	Exact match “SINCE 1953 PNZ is one of the leading project design companies in Slovenia.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	HSE Invest D.O.O	Exact match	Maribor, SloveniaHQ recorded Oct 1, 2026	51-200	23 contacts →
	Exact match “Excellent in consulting, engineering and construction.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Luz, D.D	Exact match	Ljubljana, SloveniaHQ recorded Oct 1, 2026	51-200	17 contacts →
	Exact match “We are at home in spatial planning.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	CBE D.O.O	Exact match	Ljubljana, SloveniaHQ recorded Oct 1, 2026	51-200	15 contacts →
	Exact match “Ustvarjanje učinkovitih inženirskih rešitev je naša strast.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Diming, Inženiring In Projektiranje D.O.O	Exact match	Ljubljana, SloveniaHQ recorded Oct 1, 2026	11-50	15 contacts →
	Exact match “Smo mlado in hitro rastoče podjetje, ki s svojim znanjem in profesionalnim odnosom opravljamo kakovostne storitve.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Savaprojekt D.D	Exact match	Krško, SloveniaHQ recorded Oct 1, 2026	51-200	13 contacts →
	Exact match “Company for Development, Planning, Consulting and Engineering Savaprojekt is one of the few companies in Slovenia with its own professionals to provide investors with…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Sipro Inženiring D.O.O	Exact match	Krsko, SloveniaHQ recorded Oct 1, 2026	11-50	12 contacts →
	Exact match “SIPRO Inženiring (SIPRO Engineering) provides design, engineering, consulting, supervision, and site services in the fields of nuclear power generation, as well as other power…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Scapelab	Exact match	Ljubljana, SloveniaHQ recorded Oct 1, 2026	1-10	9 contacts →
	Exact match “INTEGRATED PLANNING FOR LIFE CHANGING ENVIRONMENTS We focus on finding sustainable solutions for complex spatial challenges.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Ac&p Inženirski Biro D.O.O	Exact match	Ajdovščina, SloveniaHQ recorded Oct 1, 2026	1-10	6 contacts →
	Exact match “We are a company specializing in the planning of complex infrastructure and other projects requiring an intensive multidisciplinary approach.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Locus D.O.O	Exact match	Domžale, SloveniaHQ recorded Oct 1, 2026	11-50	5 contacts →
	Exact match “Dedicated to sustainable development, LOCUS is a collective of experts in urban planning, landscape architecture, civil engineering, spatial economics, geography and geospatial…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Gradis, BP Maribor D.O.O	Exact match	Maribor, SloveniaHQ recorded Oct 1, 2026	11-50	5 contacts →
	Exact match “Civil engineering company based in Maribor, Slovenia.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	IEM Inženiring In Projektiranje D.O.O	Exact match	Ljubljana, SloveniaHQ recorded Oct 1, 2026	1-10	5 contacts →
	Exact match “IEM Engineering and planning Ltd, is one of the oldest engineering, consulting and planning companies in Slovenia.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Megalit D.O.O	Exact match	Poljčane, SloveniaHQ recorded Oct 1, 2026	1-10	4 contacts →
	Exact match “infrastructure project design” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Proinfra D.O.O	Exact match	Maribor, SloveniaHQ recorded Oct 1, 2026	1-10	4 contacts →
	Exact match “Podjetje se ukvarja z izdelavo projektne dokumentacije, prometnih in okoljskih študij, svetovalnega inženiringa in strokovnega nadzora na področju inženirskih objektov.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Sloman D.O.O	Exact match	Ljubljana, SloveniaHQ recorded Oct 1, 2026	1-10	4 contacts →
	Exact match “SUPERVISION Transport infrastructure (roads, railways, ports, airports) Communal infrastructure Water and water management infrastructure High-rise buildings (public buildings and…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Corus Inženirji D.O.O	Exact match	Šempeter Pri Gorici, SloveniaHQ recorded Oct 1, 2026	1-10	3 contacts →
	Exact match “We are a leading construction company specializing in an integrated approach to the design of building structures, building control, geological geomechanical surveys, high-rise…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Studio 20-20	Exact match	Kranj, SloveniaHQ recorded Oct 1, 2026	1-10	3 contacts →
	Exact match “Studio 20-20 is a design company of architects and engineers that offers consulting, project management and BIM related services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Hidroinzeniring D.O.O	Exact match	Ljubljana, SloveniaHQ recorded Oct 1, 2026	11-50	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Heptagon Engineering	Exact match	Maribor, SloveniaHQ recorded Oct 1, 2026	1-10	1 contacts →
	Exact match “Engineering, Design, Consulting and Supervision” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	BCE Consulting And Engineering	Exact match	Kamnik, SloveniaHQ recorded Oct 1, 2026	1-10	1 contacts →
	Exact match “BCE consulting and engineering offers consulting and engineering services for the railway sector, specialising in the fields of railway signalling and telecommunications.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Klinvest, Inženirnig, Nadzor, Projektiranje, D.O.O	Exact match	Kranj, SloveniaHQ recorded Oct 1, 2026	1-10	1 contacts →
	Exact match “Our company provides comprehensive services in architecture and engineering, planning and interior design for new facilities, both residential and commercial, as well as…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “infrastructure design consultancies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 56 infrastructure design consultancies based in Slovenia

See the full list, filter by size, metro and specialty, and access 297 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Infrastructure design consultancies based in Slovenia at a glance

As of Oct 1, 2026

53.4%Verified-email coverage

0.9%Mobile-number coverage

9.9Average contacts per company

1-10Median size (employees)

33.9%Largest-city concentration · Ljubljana

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 33.0d

560–30

22831–60

1361–90

090–180

0180+

Company record updated

Median 96.0d

00–30

10431–60

15461–90

28090–180

18180+

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Slovenia whose business descriptions match “infrastructure design consultancies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 297 professional contacts with verified work emails across the full matched dataset. 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 October 1, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “infrastructure design consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many infrastructure design consultancies are there based in Slovenia?

RevenueBase identified 56 company matches for infrastructure design consultancies associated with Slovenia as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Elea IC D.O.O tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most infrastructure design consultancies?

Ljubljana leads with 19 company records, followed by Maribor (9) and Kranj (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 297 professional contacts with verified work emails tracked across these 56 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 1, 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 SmartSearch, 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.