Company lists · Data refreshed October 2026

Top 25 Iot consulting companies for energy based in Spain

Name: Iot consulting companies for energy based in Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 17, 2026 285 companies tracked

RevenueBase identified 285 company matches for iot consulting companies for energy associated with Spain as of October 2026 and tracks 3,572 professional contacts across them, including 408 with verified work emails. Madrid is the largest hub.

This list covers company matches for iot consulting companies for energy 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 17, 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 17, 2026 How this list was built

285Companies

3,572Contacts tracked

408Verified emails

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The 25 largest iot consulting companies for energy based in Spain

Ranked by team size

Top 25 of 285 company matches for iot consulting companies for energy based in Spain, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 17, 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	IKUSI	Exact match	San Sebastián, SpainHQ recorded Oct 17, 2026	501-1,000	590 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
2	Ingenia	Exact match	Málaga, SpainHQ recorded Oct 17, 2026	201-500	202 contacts →
	Exact match “Ingenia es una consultora TIC especializada en Internet y nuevos medios, con líneas estratégicas de negocio en seguridad, ingeniería y comunicaciones, emergencias y salud, calidad…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
3	Mtech Group	Exact match	Pinto, SpainHQ recorded Oct 17, 2026	201-500	188 contacts →
	Exact match “Somos Mtech Group y ofrecemos soluciones 360 en el sector de la energía.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
4	Voltae Engineering	Exact match	Seville, SpainHQ recorded Oct 17, 2026	51-200	137 contacts →
	Exact match “Somos una compañía de ingeniería y consultoría altamente especializada, ofreciendo servicios integrales de alto valor en proyectos de transmisión, distribución y generación de…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
5	Grupo Topdigital	Exact match	Málaga, SpainHQ recorded Oct 17, 2026	201-500	101 contacts →
	Exact match “Somos un grupo de empresas consolidado en el mercado que desarrolla actividades diferenciadas en áreas Tecnológicas y Energéticas, así como del Equipamiento del Hogar.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
6	Grupo Trebol Energia	Exact match	Sant Joan Despi, SpainHQ recorded Oct 17, 2026	51-200	98 contacts →
	Exact match “We are one of the leading energy business consultancies in Spain.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
7	Libelium	Exact match	Zaragoza, SpainHQ recorded Oct 17, 2026	51-200	94 contacts →
	Exact match “Libelium transforms data from companies and cities into decisions that make our planet more sustainable.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
8	EACOM	Exact match	Barcelona, SpainHQ recorded Oct 17, 2026	51-200	91 contacts →
	Exact match “EACOM S.A.(Enginyers i Arquitectes, Consultors d'Obres i Muntatges S.A.) es una sociedad privada consultora de servicios y actividades de ingeniería, que nace con las obras…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
9	NESS	Exact match	Madrid, SpainHQ recorded Oct 17, 2026	11-50	84 contacts →
	Exact match “NESS, empresa de servicios energéticos especializada en la gestión y ahorro energético.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
10	Azigrene Energy Consulting	Exact match	Valencia/valència, SpainHQ recorded Oct 17, 2026	51-200	56 contacts →
	Exact match “Azigrene es una empresa de servicios de Consultoría e Ingeniería Energética, que desarrolla su actividad en- Reducción del coste: Definición de la mejor estrategia de compra…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
11	ECOMT	Exact match	A Coruña, SpainHQ recorded Oct 17, 2026	51-200	53 contacts →
	Exact match “We provide #SmartEnergy and #SmartBuilding solutions with a clear objective; to help companies to find balance between financial peace of mind, corporate well-being, and…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
12	Sferaone	Exact match	Madrid, SpainHQ recorded Oct 17, 2026	51-200	52 contacts →
	Exact match “SferaOne, parte del Grupo Diggia, es una empresa que realiza actividades de proyección global desde 2002, especializada en la transición Energética desarrollando trabajos de…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
13	Binoovo	Exact match	La Pobla De Vallbona, SpainHQ recorded Oct 17, 2026	51-200	49 contacts →
	Exact match “Our portfolio of services is vertically integrated to offer complete solutions that respond to the new challenges of the digital environment, smart industry and energy.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
14	Energy Tools	Exact match	Olot, SpainHQ recorded Oct 17, 2026	11-50	34 contacts →
	Exact match “A Energy Tools, empresa líder en el mercat, ajudem, de manera ètica i transparent, les empreses amb grans consums energètics a prendre les millors decisions.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
15	Grupo Emececuadrado	Exact match	Badajoz, SpainHQ recorded Oct 17, 2026	11-50	34 contacts →
	Exact match “Emececuadrado es una de las principales compañías del sector energético, especializada en el asesoramiento y la optimización de recursos energéticos para empresas, organismos…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
16	Naturelek Energía E Ingeniería	Exact match	Derio, SpainHQ recorded Oct 17, 2026	51-200	31 contacts →
	Exact match “Somos una ingeniería y consultora especializada en eficiencia, gestión y transformación energética para empresas, con un enfoque técnico, integral y orientado a resultados.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
17	Tunergía	Exact match	Xàtiva, SpainHQ recorded Oct 17, 2026	51-200	31 contacts →
	Exact match “Bajamos tu factura de luz y gas.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
18	Ge&pe	Exact match	Seville, SpainHQ recorded Oct 17, 2026	11-50	29 contacts →
	Exact match “GE & PE was created in 1983 with the purpose of covering the needs and increasingly complex management and efficiency tasks related to the supply and consumption of energy by…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
19	Energía Local	Exact match	Barcelona, SpainHQ recorded Oct 17, 2026	11-50	27 contacts →
	Exact match “Somos una consultora especializada en el ámbito energético y sostenibilidad.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
20	Letter Ingenieros	Exact match	Granada, SpainHQ recorded Oct 17, 2026	11-50	26 contacts →
	Exact match “We offer companies efficient solutions with the best consulting and engineering services in: Energy Management Energy certification and qualification of buildings Energy…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
21	Cavo Energías	Exact match	Valencia, SpainHQ recorded Oct 17, 2026	11-50	23 contacts →
	Exact match “Empresa de servicios energéticos, especializada en diversas disciplinas en materia de ahorro energético y con una amplia formación derivada de sus más de 15 años de experiencia en…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
22	Sawatco	Exact match	Santander, SpainHQ recorded Oct 17, 2026	11-50	23 contacts →
	Exact match “SAWATCO, LA ENERGÍA DEL DATO.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
23	Energiot	Exact match	Bellaterra, SpainHQ recorded Oct 17, 2026	11-50	18 contacts →
	Exact match “Energiot is transforming grid management with self-powered IoT devices, powered by patented piezoelectric energy harvesters, and advanced grid analytics software.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
24	REINS	Exact match	Valencia, SpainHQ recorded Oct 17, 2026	51-200	18 contacts →
	Exact match “Nuestros principales clientes son empresas transportistas y distribuidoras de gas natural y electricidad, para las que se está trabajando a nivel internacional, y colaborando en…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
25	Celnet Comunicaciones	Exact match	Carrión De Los Céspedes, SpainHQ recorded Oct 17, 2026	11-50	17 contacts →
	Exact match “Celnet Comunicaciones es una empresa especializada en ofrecer soluciones de alto nivel tecnológico para el sector energético.” Recorded in the RevenueBase company graph · Oct 17, 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 “iot consulting companies for energy”. 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 285 iot consulting companies for energy based in Spain

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Iot consulting companies for energy based in Spain at a glance

As of Oct 17, 2026

11.4%Verified-email coverage

12.5Average contacts per company

1-10Median size (employees)

19.6%Largest-city concentration · Madrid

Oct 17, 2026Page data refreshed

Companies by employee count

1-10

163

11-50

51-200

201-500

501-1,000

1,001-5,000

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 285 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 “iot consulting companies for energy” 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 408 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 17, 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.

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 “iot consulting companies for energy”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many iot consulting companies for energy are there based in Spain?

RevenueBase identified 285 company matches for iot consulting companies for energy 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?

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

Which city has the most iot consulting companies for energy?

Madrid leads with 56 company records, followed by Barcelona (17) and Zaragoza (13).

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 408 professional contacts with verified work emails tracked across these 285 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 17, 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.