About us

150+ more then clients in global reviews

Partnership for Quality Construction

At GRE-TOM, Gregor Štefančič sp, we combine craftsmanship, reliability, and experience to deliver roofing, plumbing, carpentry, and complete construction services. From attic renovations to waterproofing and wooden canopies, we ensure every project is built to last.

Complete Roofing & Construction Solutions

We offer a wide range of professional services, from roofing and plumbing to carpentry and waterproofing. With quality materials and skilled workmanship, we bring durability and reliability to every project.

Roofing

Durable roofing solutions including brick, sheet metal, bitumen, and green roofs.

Plumbing

Expert installation of gutters, downpipes, and complete roof plumbing systems.

Carpentry

Wooden structures, canopies, log cabins, and custom woodwork.

Flat Roof Waterproofing

Professional waterproofing with coatings, foils, and modern systems.

Wooden Canopies

Stylish wooden canopies, pergolas, and carports designed and installed.

Impressive Words from Customers!

We are proud of the trust our clients place in us. Here’s what they have to say about our roofing, plumbing, and construction services.

Excellent workmanship and professional team. Our new roof was completed on time and looks amazing.

Marko K. House Owner

They renovated our attic and waterproofed the basement. Everything was done with precision.

Ama P. House Owner

Reliable, fast, and high-quality service. I would recommend GRE-TOM to anyone needing roofing or carpentry.

Luka K. House Owner

Great communication, honest advice, and flawless installation of our wooden canopy.

Petra G. House Owner