Updated 23 September 2026

THREES Efficiency, S.L.
Spanish tax identification number: B95979779
Santa Ana 6, 48930 Getxo (Bizkaia), Spain
Email: info@threesefficiency.com

Registered with the Bizkaia Commercial Registry, volume 5901, page 122, section 8, sheet BI-74528.

Purpose and use

This website presents Threes Efficiency services and projects. The information published does not by itself constitute a contractual offer. The terms of each service are agreed separately.

You may browse the website and contact the company. Unlawful use, harmful code, impersonation and interference with the operation of the website are not permitted.

Content and external links

Trademarks, text and images belong to their respective rights holders. Their publication does not grant a licence for reuse; any reuse must respect applicable rights.

External links lead to third-party websites with their own terms and policies. We work to keep information up to date. Please report errors using our contact email. These terms do not exclude any liability or rights imposed by applicable law.

Privacy and cookies

Read our privacy policy and cookie and local storage information.

Photography and licences

Location photographs come from the sources listed below. They have been resized, converted to WebP and cropped for their layouts. Adaptations of CC BY-SA 4.0 images are offered under the same licence.

Bilbao · Guggenheim Museum Bilbao
José Ligero Loarte · Original photograph · CC BY-SA 4.0

Ciudad de México · Ángel de la Independencia, Mexico City
Intersofia · Original photograph · Public domain (PD-self)

Dubái · Dubai Marina waterfront and skyline
Sergei Gussev · Original photograph · CC BY 2.0

Riad · Kingdom Centre, Riyadh
Ibuz4u · Original photograph · CC BY-SA 4.0

Noida · Okhla Bird Sanctuary, Noida
Mohsin alam3 · Original photograph · CC BY-SA 4.0