Company lists · Data verified August 2026

Top 23 Construction consulting firms based in Spain

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,148 companies tracked

There are 1,148 construction consulting firms headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 8,215 professional contacts across them, including 791 with verified work emails and 96 with mobile numbers. Madrid is the largest hub.

This list covers construction consulting firms headquartered in Spain, 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.

1,148Companies

8,215Contacts tracked

791Verified emails

96Mobile numbers

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The 23 largest construction consulting firms based in Spain

Ranked by team size

Top 23 of 1,148 construction consulting firms based in Spain, 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	Deerns Nederland	Madrid	501-1,000	400	207
2	JG Ingenieros S.A	Barcelona	51-200	344	31
3	Itercon	Valencia	201-500	201	56
4	Conurma Ingenieros Consultores	Madrid	51-200	198	16
5	Acerta	Madrid	51-200	122	17
6	Euroconsult	San Sebastian De Los Reyes	51-200	69	2
7	Rehbilita	Madrid	51-200	47	11
8	AGI Architects	Madrid	51-200	44	21
9	Torrella Ingeniería	Terrassa	51-200	39	13
10	Colomer-Rifà	Vic	51-200	38	11
11	Solduct Constructora	Barcelona	51-200	35	7
12	Taller DE Construccion TMR SA	Madrid	51-200	35	3
13	Aldara Construcciones E Infraestructuras, S.L	Madrid	51-200	35	2
14	Idom Consulting	Bilbao	1,001-5,000	34	4
15	Incoa Grupo	Granada	51-200	29	1
16	Dewan Architects & Engineers	Barcelona	201-500	18	1
17	Media Caña	Elx	51-200	17	3
18	Grandía Obras, S.L.U	Huercal De Almeria	51-200	14	2
19	Siurel Obra Civil SL	Palma	51-200	12	3
20	Gabiteco	Madrid	51-200	9	3
21	Brufau, Obiol, Moya & Asociados	Valencia	51-200	6	1
22	JPG Arquitectura Y Construcción	Madrid	51-200	5	1
23	B Biosca SL	Lleida	51-200	4	3

Showing 23 of 1,148 construction consulting firms based in Spain

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Construction consulting firms based in Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

MadridLargest hub · 197 HQs

96Contacts with mobile numbers

7Emails re-verified in last 30 days

Companies by employee count

1-10

750

11-50

300

51-200

201-500

501-1,000

1,001-5,000

Construction consulting firms by metro

Metro	Companies
Construction consulting firms in Madrid	197
Construction consulting firms in Barcelona	133
Construction consulting firms in Valencia	42
Construction consulting firms in Sevilla	25
Construction consulting firms in Malaga	22
Construction consulting firms in Murcia	17
Construction consulting firms in Granada	15

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 Spain.
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; 7 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 Spain?

There are 1,148 construction consulting firms headquartered in Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

Deerns Nederland, headquartered in Madrid, tops this list with the largest team on record.

Which city has the most construction consulting firms?

Madrid leads with 197 headquartered companies, followed by Barcelona (133) and Valencia (42).

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 791 verified decision-maker contacts tracked across these 1,148 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.