Company lists · Data verified August 2026

Top 25 Construction consulting firms based in Greece

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 281 companies tracked

There are 281 construction consulting firms headquartered in Greece (RevenueBase, August 2026). RevenueBase tracks 8,729 professional contacts across them, including 1,904 with verified work emails and 709 with mobile numbers. Athens is the largest hub.

This list covers construction consulting firms headquartered in Greece, 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.

281Companies

8,729Contacts tracked

1,904Verified emails

709Mobile numbers

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The 25 largest construction consulting firms based in Greece

Ranked by team size

Top 25 of 281 construction consulting firms based in Greece, 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	Hill International, INC	Athens	1,001-5,000	6,713	1,374
2	Salfo & Associates SA	Athens	201-500	361	90
3	Ballian Techniki SA	Athens	51-200	94	49
4	FOCAL	n/a	51-200	85	44
5	Urban Soul Project	Athens	51-200	79	32
6	Delta Engineering S.A. Consulting Engineers	n/a	51-200	73	32
7	VCE Vienna Consulting Engineers ZT Gmbh	n/a	201-500	68	37
8	Nama Consulting Engineers And Planners SA	n/a	51-200	45	15
9	Gaia SA	n/a	51-200	43	10
10	Vitael S.A	Attiki	11-50	24	11
11	ANAX	n/a	11-50	18	9
12	Liontos & Associates	n/a	11-50	17	13
13	Anicon. Engineering & Management Consultants	Athens	11-50	16	9
14	Engineering Force	Lofou	51-200	16	2
15	PTB	n/a	11-50	14	7
16	Arxiko Engineers	Kalamaria	11-50	13	6
17	HM Engineering S.A	Athens	11-50	10	2
18	A4 Engineers P.C	n/a	11-50	9	3
19	Kube Contractors	Athens	11-50	9	3
20	1 Zita	Athens	11-50	8	3
21	Giakoumakis Engineering	n/a	11-50	7	5
22	Team E-M Consulting Engineers S.A	Athens	11-50	7	1
23	ACA Architects	Kallithea	11-50	6	2
24	Omek S.A	n/a	51-200	5	3
25	Peppas Construction	n/a	11-50	5	2

Showing 25 of 281 construction consulting firms based in Greece

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Construction consulting firms based in Greece at a glance

As of Aug 28, 2026

1-10Median size (employees)

AthensLargest hub · 77 HQs

709Contacts with mobile numbers

10Emails re-verified in last 30 days

Companies by employee count

1-10

173

11-50

51-200

201-500

1,001-5,000

Construction consulting firms by metro

Metro	Companies
Construction consulting firms in Athens	77
Construction consulting firms in Thessaloniki	10
Construction consulting firms in Patras	4
Construction consulting firms in Marousi	3
Construction consulting firms in Piraeus	3
Construction consulting firms in Kallithea	2
Construction consulting firms in Salonica	2

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 “construction consulting firms”, with match quality audited by blind human judging, and headquartered in Greece.
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; 10 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 construction consulting firms are there based in Greece?

There are 281 construction consulting firms headquartered in Greece as of August 2026 (RevenueBase).

What is the largest company on this list?

Hill International, INC, headquartered in Athens, tops this list with the largest team on record.

Which city has the most construction consulting firms?

Athens leads with 77 headquartered companies, followed by Thessaloniki (10) and Patras (4).

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 1,904 verified decision-maker contacts tracked across these 281 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.