Company lists · Data verified August 2026

Top 25 Engineering consulting firms based in Croatia

Name: Engineering consulting firms based in Croatia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 196 companies tracked

There are 196 engineering consulting firms headquartered in Croatia (RevenueBase, August 2026). RevenueBase tracks 1,617 professional contacts across them, including 456 with verified work emails and 15 with mobile numbers. Zagreb is the largest hub.

This list covers engineering consulting firms headquartered in Croatia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

196Companies

1,617Contacts tracked

456Verified emails

15Mobile numbers

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The 25 largest engineering consulting firms based in Croatia

Ranked by team size

Top 25 of 196 engineering consulting firms based in Croatia, 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	Institut Igh, D.D	Zagreb	501-1,000	262	5
2	S.C.A.N. D.O.O	Zagreb	51-200	63	35
3	Elektroprojekt Consulting Engineers	Zagreb	51-200	56	34
4	Investinženjering	Zagreb	51-200	41	24
5	WYG Consulting	Zagreb	11-50	41	20
6	Projektgradnja Plus D.O.O. Projektgradnja Plus LTD	Gornja Vrba	201-500	33	20
7	Lineal D.O.O	Zagreb	51-200	32	18
8	Ipz.Hr	Zagreb	51-200	30	25
9	PPG Sarajevo	Grad	51-200	30	14
10	Interkonzalting D.O.O	Split	11-50	23	22
11	INP OIL & GAS Engineering LTD	Zagreb	51-200	23	20
12	Ires Ekologija	Zagreb	11-50	22	17
13	Geotehnika D.O.O. Selca	Selca	51-200	21	14
14	Autegra	n/a	11-50	18	13
15	Urbane Ideje D.O.O	Samobor	11-50	17	5
16	Vodoprivredno-Projektni Biro	Zagreb	11-50	16	11
17	Advensys Engineering	Zagreb	11-50	15	12
18	MAR D.O.O	Zagreb	51-200	15	10
19	Upi-2m	Zagreb	11-50	14	10
20	Vita Projekt LTD	Zagreb	11-50	14	7
21	Geotech DOO	n/a	11-50	12	9
22	Cadeli D.O.O. LTD	Rijeka	11-50	10	3
23	Granova D.O.O	Zagreb	11-50	9	1
24	Proton Ee-Elektronika D.O.O	Daruvar	11-50	8	6
25	Speculum LTD	Zagreb	11-50	8	4

Showing 25 of 196 engineering consulting firms based in Croatia

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Engineering consulting firms based in Croatia at a glance

As of Aug 28, 2026

1-10Median size (employees)

ZagrebLargest hub · 90 HQs

15Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

131

11-50

51-200

201-500

501-1,000

Engineering consulting firms by metro

Metro	Companies
Engineering consulting firms in Zagreb	90
Engineering consulting firms in Osijek	12
Engineering consulting firms in Split	9
Engineering consulting firms in Zadar	7
Engineering consulting firms in Rijeka	5
Engineering consulting firms in Pula	4
Engineering consulting firms in Sibenik	3

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 “engineering consulting firms”, with match quality audited by blind human judging, and headquartered in Croatia.
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; 0 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

How many engineering consulting firms are there based in Croatia?

There are 196 engineering consulting firms headquartered in Croatia as of August 2026 (RevenueBase).

What is the largest company on this list?

Institut Igh, D.D, headquartered in Zagreb, tops this list with the largest team on record.

Which city has the most engineering consulting firms?

Zagreb leads with 90 headquartered companies, followed by Osijek (12) and Split (9).

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 456 verified decision-maker contacts tracked across these 196 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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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.