Company lists · Data refreshed October 2026

Top 25 Environmental consulting companies for oil and gas based in Spain

Name: Environmental consulting companies for oil and gas based in Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 451 companies tracked

RevenueBase identified 451 company matches for environmental consulting companies for oil and gas associated with Spain as of October 2026 and tracks 6,759 professional contacts across them, including 669 with verified work emails. Madrid is the largest hub.

This list covers company matches for environmental consulting companies for oil and gas associated with Spain, 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 12, 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 12, 2026 How this list was built

451Companies

6,759Contacts tracked

669Verified emails

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The 25 largest environmental consulting companies for oil and gas based in Spain

Ranked by team size

Top 25 of 451 company matches for environmental consulting companies for oil and gas based in Spain, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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	Inerco	Exact match	Seville, SpainHQ recorded Oct 12, 2026	1,001-5,000	735 contacts →
	Exact match “INERCO is a multinational technology company specialising in sustainability.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	Amphos 21	Exact match	Barcelona, SpainHQ recorded Oct 12, 2026	201-500	436 contacts →
	Exact match “Founded in 1994, in Barcelona, Spain, Amphos21 includes three companies in Spain (1994), Chile (2009) and Peru (2012).” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	Iplan Gestión Integral	Exact match	Barcelona, SpainHQ recorded Oct 12, 2026	501-1,000	396 contacts →
	Exact match “Iplan is a company related to the engineering services of projects developed mainly in the energy sector, civil works, renewable energies and environment.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	Ingeniería Estudios Y Proyectos Nip,s.A. Nipsa	Exact match	Madrid, SpainHQ recorded Oct 12, 2026	201-500	263 contacts →
	Exact match “Ingeniería Estudios y Proyectos NIP, S.A.(NIPSA) is a Spanish engineering and consulting company created in 1976 with the purpose of providing high quality and flexible technical…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	Labaqua, S.A	Exact match	Alicante/alacant, SpainHQ recorded Oct 12, 2026	201-500	259 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	Applus Environment	Exact match	Madrid, SpainHQ recorded Oct 12, 2026	10001+	259 contacts →
	Exact match “At Applus+, we provide environmental management services to help clients reduce their environmental footprint and improve operational efficiency, while minimizing risks and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	Ecointegral Ingeniería, SL	Exact match	Córdoba, SpainHQ recorded Oct 12, 2026	201-500	255 contacts →
	Exact match “ECOINTEGRAL INGENIERÍA is an independent company of advanced engineering and consulting firm that operates in 3 areas of expertise: Energy, Telecommunications and Environment.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Sm, Sistemas Medioambientales, SL	Exact match	Barcelona, SpainHQ recorded Oct 12, 2026	201-500	195 contacts →
	Exact match “Impulsamos la sostenibilidad empresarial con soluciones técnicas y reales.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Tecnoambiente	Exact match	Cerdanyola Del Vallès, SpainHQ recorded Oct 12, 2026	51-200	135 contacts →
	Exact match “Tecnoambiente, a wholly owned subsidiary of TRADEBE, is a multidisciplinary geoscience-environmental survey, subsea inspections and environmental consultancy company, with an…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	Eia21	Exact match	Erandio, SpainHQ recorded Oct 12, 2026	51-200	120 contacts →
	Exact match “Founded in 1979, EIA21 was chartered with the aim of responding to the engineering needs of high growth industrial companies, soon achieved a strong footprint in this area…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Diseprosa	Exact match	Madrid, SpainHQ recorded Oct 12, 2026	51-200	97 contacts →
	Exact match “DISEÑOS Y PROYECTOS REUNIDOS, S.A.(DISEPROSA), fundada en Madrid en 1986 y dedicada al desarrollo y prestación de servicios de Ingeniería y Consultoría, Dirección y Supervisión de…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Litoclean	Exact match	Barcelona, SpainHQ recorded Oct 12, 2026	51-200	93 contacts →
	Exact match “Litoclean es una consultora medioambiental experta en el desarrollo de proyectos de investigación y descontaminación de suelos.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	Afesa Medio Ambiente, S. A	Exact match	Derio, SpainHQ recorded Oct 12, 2026	51-200	83 contacts →
	Exact match “AFESA Medio Ambiente, S.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	Tresca Ingeniería, S.A	Exact match	Léon, SpainHQ recorded Oct 12, 2026	51-200	81 contacts →
	Exact match “Tresca Ingeniería nace en 2001, ofreciendo a sus clientes servicios de ingeniería y consultoría en los sectores industrial, terciario y residencial.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Taxus Medio Ambiente	Exact match	Oviedo, SpainHQ recorded Oct 12, 2026	51-200	79 contacts →
	Exact match “TAXUS MEDIO AMBIENTE es una consultoría ambiental.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	Civile	Exact match	Seville, SpainHQ recorded Oct 12, 2026	11-50	68 contacts →
	Exact match “Civile es una empresa de ingeniería, consultoría y formación, dentro del ámbito civil, medioambiental, agronómico y forestal, que pone a disposición del cliente, público y…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Tauw Iberia	Exact match	Madrid, SpainHQ recorded Oct 12, 2026	51-200	62 contacts →
	Exact match “Tauw Iberia is an independent environmental consultancy and engineering company established in 1989.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	Diagnóstiqa	Exact match	Torrejón De Ardoz, SpainHQ recorded Oct 12, 2026	51-200	58 contacts →
	Exact match “DiagnóstiQA se constituye en junio de 2007 con el objeto de proporcionar servicios técnicos de Consultoría, Asistencia Técnica, Supervisión, Inspección y Diagnóstico para el…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	Intacta Gestión Ambiental	Exact match	As Pontes De García Rodríguez, SpainHQ recorded Oct 12, 2026	11-50	50 contacts →
	Exact match “Intacta surge como una sinergia que une la participación activa y concertada para alcanzar una eficacia total y garantizar cualquier servicio medioambiental, pero con ella nace…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	G-Advisory	Exact match	Madrid, SpainHQ recorded Oct 12, 2026	11-50	45 contacts →
	Exact match “G-advisory - Consultoría estratégica en Energía y ESG Filial de Garrigues que ofrece asesoramiento técnico, económico y estratégico en todo tipo de energías y servicios de ESG.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Agresta S. Coop	Exact match	Madrid, SpainHQ recorded Oct 12, 2026	11-50	45 contacts →
	Exact match “AGRESTA Sociedad Cooperativa es una consultora ambiental de ámbito nacional especializada en el sector forestal, ingeniería en el medio natural y estudios de impacto ambiental.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Ecos Group	Exact match	Las Palmas De Gran Canaria, SpainHQ recorded Oct 12, 2026	11-50	42 contacts →
	Exact match “At ECOS Group (ECOS Estudios Ambientales y Oceanografía S.L.), we are an environmental consultancy and coastal engineering firm with over 18 years of experience, specialized in…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Tandem HSE	Exact match	Barcelona, SpainHQ recorded Oct 12, 2026	11-50	39 contacts →
	Exact match “TANDEM is an Industrial Safety and Environment consultancy, founded in 1995 and by a team of Engineers.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	Esolve. Environmental Consulting And Engineering	Exact match	Barcelona, SpainHQ recorded Oct 12, 2026	11-50	35 contacts →
	Exact match “ESOLVE is an environmental consulting and engineering company that provides a wide range of professional services to private sector companies and public organizations for the…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	ALLPE	Exact match	Madrid, SpainHQ recorded Oct 12, 2026	11-50	34 contacts →
	Exact match “ALLPE cubre las necesidades de Administraciones Públicas, Empresas y Particulares por integrar el Medio Ambiente en sus actuaciones y proyectos.” Recorded in the RevenueBase company graph · Oct 12, 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 “environmental consulting companies for oil and gas”. 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 451 environmental consulting companies for oil and gas based in Spain

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Environmental consulting companies for oil and gas based in Spain at a glance

As of Oct 12, 2026

9.9%Verified-email coverage

15.0Average contacts per company

1-10Median size (employees)

18.4%Largest-city concentration · Madrid

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

287

11-50

122

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for Spain, so it is reported there. Company counts and contact totals on this page are exact for Spain, over 451 companies.

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 Spain whose business descriptions match “environmental consulting companies for oil and gas” 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 669 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 12, 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.

Environmental consulting companies for oil and gas by metro

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 “environmental consulting companies for oil and gas”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental consulting companies for oil and gas are there based in Spain?

RevenueBase identified 451 company matches for environmental consulting companies for oil and gas associated with Spain 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?

Inerco tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most environmental consulting companies for oil and gas?

Madrid leads with 83 company records, followed by Barcelona (32) and Valencia (20).

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 669 professional contacts with verified work emails tracked across these 451 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 12, 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.