Company lists · Data verified August 2026

Top 25 Environmental consulting firms based in Spain

Name: Environmental 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 896 companies tracked

There are 896 environmental consulting firms headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 31,617 professional contacts across them, including 894 with verified work emails and 784 with mobile numbers. Madrid is the largest hub.

This list covers environmental 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.

896Companies

31,617Contacts tracked

894Verified emails

784Mobile numbers

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The 25 largest environmental consulting firms based in Spain

Ranked by team size

Top 25 of 896 environmental 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	Autonomo	Cordoba	n/a	23,114	23
2	Labaqua, S.A	n/a	201-500	240	32
3	Valora Consultores	A Coruna	51-200	238	41
4	Quadrante Meta Engineering	Barcelona	501-1,000	236	26
5	Ecointegral Ingeniería, SL	Cordoba	201-500	232	26
6	Iproma	Platja De Palma	201-500	227	21
7	Conurma Ingenieros Consultores	Madrid	51-200	198	16
8	Sm, Sistemas Medioambientales, SL	Barcelona	201-500	174	2
9	Ideas Medioambientales	Albacete	51-200	132	69
10	Antea Group España Y Latinoamérica	A Coruna Coruna	51-200	132	15
11	Tecnoambiente	Badalona	51-200	126	28
12	Cehtra	Madrid	51-200	92	72
13	Tresca Ingeniería, S.A	Leon	51-200	78	13
14	Afesa Medio Ambiente, S. A	Derio	51-200	73	16
15	DNOTA	Torrelavega	51-200	71	8
16	Taxus Medio Ambiente	Oviedo	51-200	69	1
17	Tauw Iberia	Madrid	51-200	65	11
18	Azigrene Energy Consulting	n/a	51-200	58	11
19	Intacta Gestión Ambiental	As Pontes De Garcia Rodriguez	11-50	45	8
20	Agresta S. Coop	Cuenca	11-50	45	6
21	G-Advisory	Madrid	11-50	44	6
22	IGM Ingenieria Y Gestión Medioambiental	Madrid	201-500	43	1
23	Proeste	Lugo	51-200	37	8
24	Esolve. Environmental Consulting And Engineering	Madrid	11-50	34	6
25	Cuarta Esfera	Laguna De Duero	51-200	32	1

Showing 25 of 896 environmental consulting firms based in Spain

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Environmental consulting firms based in Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

MadridLargest hub · 135 HQs

784Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

603

11-50

235

51-200

201-500

501-1,000

1,001-5,000

Environmental consulting firms by metro

Metro	Companies
Environmental consulting firms in Madrid	135
Environmental consulting firms in Barcelona	78
Environmental consulting firms in Valencia	37
Environmental consulting firms in Sevilla	28
Environmental consulting firms in Malaga	26
Environmental consulting firms in Murcia	20
Environmental consulting firms in Zaragoza	18

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 “environmental 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; 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 environmental consulting firms are there based in Spain?

There are 896 environmental consulting firms headquartered in Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

Autonomo, headquartered in Cordoba, tops this list with the largest team on record.

Which city has the most environmental consulting firms?

Madrid leads with 135 headquartered companies, followed by Barcelona (78) and Valencia (37).

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 894 verified decision-maker contacts tracked across these 896 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.