Our Certified Partners
We work with a network of trusted professionals across the UK to deliver and install our premium aluminium products. Each partner is carefully selected for their expertise and commitment to quality.
Meet our partners
Hi Tech Services
Trusted home improvement specialists in Bournemouth for over 35 years. Offering insulated garden builds, luxury summer houses, garage doors, gates, and security solutions.
Crocodilla
Industry leaders in premium aluminium gates and fencing, combining durability, aesthetics, and security. Full service from consultation to installation across the UK. Established in 2000 and partnering with Kostum since 2012.
Alumax UK
Suppliers of bespoke low-maintenance aluminium gates and fencing for over 24 years. Based in Scotland, delivering nationwide with a 30-year guarantee.
Door And Gate
Specialists in electric garage doors and remote-controlled gate systems. Based in Hull, serving Yorkshire and Lincolnshire with premium Hörmann products.
Charged Services
Family-run business with over 20 years of engineering expertise. Specialists in electric gates, CCTV, and integrated security solutions across Essex and the South East.
Become a partner
Join our network of certified installers and grow your business with Kostum.
Apply nowThe Kostum newsletter
Stay inspired all year round with our outdoor design tips, trends for enjoying the outdoors and all the latest news from the Kostum brand by signing up to our newsletter.