Barcelona · Alicante

A quiet holding company
building durable businesses.

[ WSK-01 ] BCN 41.39° N 2.17° E ALC 38.35° N 0.48° W

A quiet holding company
building durable businesses.

WSK Global, S.L. operates a small portfolio of independent companies across real estate, construction and home automation. Each is run on its own terms, with a long horizon.

Est. — Spain v.2026
01 / Ventures

Three companies under one roof. Each independent, each focused on doing one thing exceptionally well.

— 001
Altasera
Real Estate / Investment
A real estate venture sourcing and holding residential and mixed-use properties along the Spanish Mediterranean. Acquired, repositioned and operated for the long term.
altasera.com →
— 002
SierraX
Construction / Villas
Designs and builds bespoke villas on the Costa Blanca. Turnkey residences where architecture, craft and Mediterranean light are considered in equal measure.
sierrax.es →
— 003
Home Automation
Smart Home / Integration
Residential automation and integration. Quiet systems that make a home feel effortless: lighting, climate, security and media, orchestrated as one.
In operation ·
02 / About

Long-term stewardship, not short-term exits. We build and hold. Our companies compound over years, not quarters.

© 2026 WSK Global, S.L. — All rights reserved. CIF · B-XXXXXXXX