About Us — 16 Years of PVC & Aluminium Frame Experience
MultiWindows has manufactured and installed PVC and aluminium windows and doors for 16 years, with thousands of satisfied clients across Portugal.
Join our team
We are always looking for talent to strengthen our manufacturing and installation teams.
About MultiWindows
Bringing a new reality to every home through windows that expand the limits of space.
We are a Portuguese company dedicated to manufacturing and selling PVC and aluminium windows and doors. We install turnkey solutions according to our customers' orders and personalised projects, using high-quality raw materials and technologically advanced equipment. We sell windows through our own commercial network and partners.
Featured in the newspaper Público for our energy efficiency and commitment to quality.
Our Commitment
Window frames are more than just closing a hole in the wall. They are the element that separates your comfort from outside noise, cold, and heat. Every window is custom-made with millimetric precision, and our team handles the entire process: from precise manufacturing to specialised installation and readily available after-sales service.
Our Pillars
A complete service, with no middlemen.
In-House Manufacturing
We produce our systems with high-quality profiles, ensuring precision and durability.
Certified Installation
Even the best window loses its effectiveness if poorly installed. Our teams guarantee a perfect seal.
Nationwide After-Sales
Our relationship does not end at installation. We provide continuous technical support.
MultiWindows in numbers
Years in the market
Team members
Clients
Structures installed
A sincere service means...
Caring
Our philosophy is based on respect, support and friendliness at every stage of your project.
Responsibility
We keep our promises and always seek to give a little more of ourselves.
Trust
We do everything to meet your expectations — over 90% of clients recommend us.
Closeness
Dedicated professionals to support you. Your project is our project.
Our mission
We create a new reality in every home through windows that expand the boundaries of space.
Quality guarantee
We created a control system that monitors the quality of our production and service at every stage, so you feel comfortable throughout the process.
In-house production
We have a factory with state-of-the-art technology and a skilled workforce — the only way to control the entire manufacturing process.
- 16 years of experience
- Headquarters: Lisboa / Sintra — Zona Industrial São Carlos, 2725-473 Mem Martins, Sintra — +351 210 995 036 / +351 964 448 469 — [email protected]