Company lists · Data refreshed October 2026

Top 25 Infrastructure design consultancies based in Croatia

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

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 142 companies tracked

RevenueBase identified 142 company matches for infrastructure design consultancies associated with Croatia as of October 2026 and tracks 1,143 professional contacts across them, including 315 with verified work emails and 10 with mobile numbers. Zagreb is the largest hub.

This list covers company matches for infrastructure design consultancies associated with Croatia, 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

142Companies

1,143Contacts tracked

315Verified emails

10Mobile numbers

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The 25 largest infrastructure design consultancies based in Croatia

Ranked by team size

Top 25 of 142 company matches for infrastructure design consultancies based in Croatia, 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	Institut Igh, D.D	Exact match	Zagreb, CroatiaHQ recorded Oct 1, 2026	501-1,000	261 contacts →
	Exact match “Institut IGH d.d.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Elektroprojekt Consulting Engineers	Exact match	Zagreb, CroatiaHQ recorded Oct 1, 2026	51-200	57 contacts →
	Exact match “Established in 1949, Elektroprojekt has since developed from a company specialized in design of hydroelectric and thermal power plants into a company unique in the region for its…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	WYG Consulting	Exact match	Zagreb, CroatiaHQ recorded Oct 1, 2026	11-50	42 contacts →
	Exact match “WYG Consulting is a project management and technical consultancy firm working across Europe and Africa.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Investinženjering	Exact match	Zagreb, CroatiaHQ recorded Oct 1, 2026	51-200	41 contacts →
	Exact match “INVESTINŽENJERING d.o.o.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Ipz.Hr	Exact match	Zagreb, CroatiaHQ recorded Oct 1, 2026	51-200	30 contacts →
	Exact match “IPZ (en.The Engineering Design Institute) is a joint-stock company specializing in design and consulting services, operating independently and without any ties to construction…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	Interkonzalting D.O.O	Exact match	Zagreb, CroatiaHQ recorded Oct 1, 2026	11-50	23 contacts →
	Exact match “Tvrtka je utemeljena 1967.g.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	INP OIL & GAS Engineering LTD	Exact match	Zagreb, CroatiaHQ recorded Oct 1, 2026	51-200	23 contacts →
	Exact match “INP Oil & Gas Engineering Ltd.(Inženjering za naftu i plin d.o.o.) is a leading engineering, design and consultancy company founded 1952.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	AGS	Exact match	Dugopolje, CroatiaHQ recorded Oct 1, 2026	11-50	22 contacts →
	Exact match “To start, we listen, get to know you, learn about your goals and acquire a feel for the opportunities and limitations of the project.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Geotehnika D.O.O. Selca	Exact match	Selca, CroatiaHQ recorded Oct 1, 2026	51-200	21 contacts →
	Exact match “We have established a reputation for providing high-quality and professional services in the field of civil engineering works, building construction works, and structural repairs.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Urbane Ideje D.O.O	Exact match	Samobor, CroatiaHQ recorded Oct 1, 2026	11-50	17 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Advensys Engineering	Exact match	Zagreb, CroatiaHQ recorded Oct 1, 2026	11-50	16 contacts →
	Exact match “We create innovative engineering solutions and implement them in projects that benefit a variety of industries.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Vodoprivredno-Projektni Biro	Exact match	Zagreb, CroatiaHQ recorded Oct 1, 2026	11-50	16 contacts →
	Exact match “VPB d.d.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	MAR D.O.O	Exact match	Zagreb, CroatiaHQ recorded Oct 1, 2026	51-200	16 contacts →
	Exact match “We are civil engineering company founded in 1986 for the construction and energy works on the infrastructure facilities.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Geotech DOO	Exact match	Rijeka, CroatiaHQ recorded Oct 1, 2026	11-50	12 contacts →
	Exact match “Geotech d.o.o.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Studio Arhing	Exact match	Zagreb, CroatiaHQ recorded Oct 1, 2026	1-10	11 contacts →
	Exact match “Structural design in steelwork, concrete, timber and masonry • Special structures • Building performance • Assessment and renovation • Refurbishment, re-modelling and renovation…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Mobilita Evolva D.O.O	Exact match	Zagreb, CroatiaHQ recorded Oct 1, 2026	11-50	10 contacts →
	Exact match “Mobilita Evolva Ltd.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Ultra Studio	Exact match	Zagreb, CroatiaHQ recorded Oct 1, 2026	1-10	10 contacts →
	Exact match “We deal with architectural design, small scale planning, structural engineering, civil engineering covering all phases of project, from the early start to the finished product.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Enison	Exact match	Zagreb - Odra, CroatiaHQ recorded Oct 1, 2026	11-50	9 contacts →
	Exact match “Osposobljeni smo i certificirani za obavljanje svih radova projektiranja, izvođenja i održavanja energetskih i industrijskih postrojenja.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Infra Plan Consulting	Exact match	Zagreb, CroatiaHQ recorded Oct 1, 2026	1-10	9 contacts →
	Exact match “Infra Plan is research driven company, providing consultancy in the area of data analytics, maintenance planning projects and infrastructure management.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Upi-2m	Exact match	Zagreb, CroatiaHQ recorded Oct 1, 2026	11-50	9 contacts →
	Exact match “UPI-2M is a design company that provides architectural, structural and consulting services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Granova D.O.O	Exact match	Zagreb, CroatiaHQ recorded Oct 1, 2026	11-50	9 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	IDT D.O.O	Exact match	Osijek, CroatiaHQ recorded Oct 1, 2026	11-50	8 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Sirrah Projekt	Exact match	Osijek, CroatiaHQ recorded Oct 1, 2026	11-50	8 contacts →
	Exact match “Founded about 30 years ago SIRRAH projekt is a multidisciplinary engineering team with over 30 members.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	Scan Projekt D.O.O	Exact match	Zagreb, CroatiaHQ recorded Oct 1, 2026	11-50	8 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Hidroing D.O.O. Osijek	Exact match	Osijek, CroatiaHQ recorded Oct 1, 2026	11-50	7 contacts →
	Exact match “Engineering company based in Osijek, Croatia with dislocated office in Zagreb, Croatia.” 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 142 infrastructure design consultancies based in Croatia

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Infrastructure design consultancies based in Croatia at a glance

As of Oct 1, 2026

27.6%Verified-email coverage

0.9%Mobile-number coverage

8.0Average contacts per company

1-10Median size (employees)

46.5%Largest-city concentration · Zagreb

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

Freshness & accuracy

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

Email last verified

Median 33.0d

570–30

24431–60

1261–90

090–180

2180+

Company record updated

Median 96.0d

00–30

21331–60

27761–90

61190–180

42180+

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 Croatia 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 315 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.

Infrastructure design consultancies by metro

Infrastructure design consultancies in Zagreb66

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 Croatia?

RevenueBase identified 142 company matches for infrastructure design consultancies associated with Croatia 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?

Institut Igh, D.D 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?

Zagreb leads with 66 company records, followed by Osijek (14) and Zadar (5).

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 315 professional contacts with verified work emails tracked across these 142 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.