Instalación de paneles solares
18+ years of experience

End-to-end energy management

We are your external Energy Managers: audits, ISO 50001 and monitoring to optimise your organisation’s consumption.

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Aerogeneradores al atardecer
Towards decarbonisation

Calculate your carbon footprint

We measure, reduce and offset your organisation’s emissions with a technical, independent approach.

Calculate carbon footprint
Instalación industrial energética
Delegated Parties of the CAE scheme

Monetise your energy efficiency measures

We developed the first singular CAE project in Spain. We identify the opportunity and manage the whole process, from calculating the savings to settling the certificate.

Calculate my CAEs
Who we are

Experts in energy efficiency and sustainability

Since 2007, SinCeO2 has been helping companies and institutions use energy better, reduce their environmental impact and turn efficiency into profitability. A multidisciplinary team supports the entire process — from diagnosis to execution — with complete technical independence and a single goal: less pollution and greater economic performance.

+18years of experience
+4,500energy audits
+60ISO 50001 systems
+5M m²energy certified
+3,500students trained
Delegated Party of the CAE scheme
Spain’s first flagship CAE project · no. E CAE 2023 00001
Our services

Three areas, comprehensive solutions

We cover the full cycle of energy efficiency and sustainability. Each service has its own page with the full detail.

01

Sustainability

We embed sustainability into your organisation’s strategy and management. We help you comply with European regulations, measure and reduce your environmental impact and report your performance rigorously: carbon footprint, LCA, sustainability reports, water and urban sustainability.

Energy Saving Certificates

Monetise your energy efficiency measures

We are a Delegated Party of the CAE scheme: we help you spot the opportunity and manage the whole process, from calculating savings to obtaining and settling the CAE, with every guarantee. The return can range between 18% and 50% of the investment.

CAE Calculator

Find your measure and estimate your Energy Saving Certificates in minutes.

Go to the calculator →
Energy management

End-to-end energy services management

Pursuing efficiency and optimising resources takes dedication and know-how. We plan every task to achieve the best results.

  • ✓Contracting and supervising suppliers
  • ✓Measuring and monitoring facilities and savings
  • ✓Implementing the right management system
Instalación de paneles solares
Already a client

Access your tools and platforms

They trust us

Some of our clients

Industrial

Logo de Endesa
Endesa
Logo de Gas Natural Fenosa
Gas Natural Fenosa
Logo de Repsol
Repsol
Logo de Abengoa
Abengoa
Logo de GMV
GMV
Logo de Siemens
Siemens
Logo de Pladur
Pladur

Services sector

Logo de NH Hoteles
NH Hotels
Logo de Merlin Properties
Merlin Properties
Logo de BNP Paribas
BNP Paribas
Logo de Unibail-Rodamco
Unibail-Rodamco
Logo de Bankinter
Bankinter
Logo de Sanitas
Sanitas
Logo de Mapfre
Mapfre

Retail

Logo de Leroy Merlin
Leroy Merlin
Logo de Cortefiel
Cortefiel
Logo de Gocco
Gocco
Logo de H&M
H&M
Logo de Pfizer
Pfizer
Logo de Osborne
Osborne
Logo de Compass Group
Compass Group

Public sector

Logo de ADIF
ADIF
Logo de Metro de Madrid
Metro de Madrid
Logo de RTVE
RTVE
Logo de Ministerio de Justicia
Spanish Ministry of Justice
Logo de Institut Català de la Salut
Institut Català de la Salut
Logo de Ayto. de Madrid
Madrid City Council
Logo de Ayto. de Pamplona
Pamplona City Council

Less pollution and better economic performance?

Ask us with no obligation. An expert will review your case and propose the best savings opportunities.