GMSA is an independent practice based in Bergen, Norway, offering solutions through architectural means, to clients in need of a building – reflecting their identity, solving their problems. The repertoire spans for small extensions, commercial buildings, housing developments, refurbishment, adaptive re-use, to leisure spaces, landscaping, and interiors.


“Our thinking, making, and doing is all about architecture.

We do it not for our self’s – but for the sheer joy of making

something great for others!

Lotte Sponberg M.arch

Managing Principal  ||  Architect


p: +47 977 40 245

Lotte Sponberg holds a master’s degree in architecture. She trained as an architect at the Bergen school of Architecture and Aarhus school of Architecture and has for the last 20 years gained a wide range of experience working at small and large renown offices in Oslo and Bergen. Her repertoire consists of work in all phases with projects of different scale and scope, spanning from smaller private residential projects to more complex private and public developments as well as adaptive re-use and historic preservation projects.

Jørgen Grahl-Madsen M.arch

Design Principal  ||  Architect


p: +47 900 11 019

Jørgen Grahl-Madsen has over 25 years of experience from architecture, construction, design, and project development. He has worked for, in partnership and collaborated with various acclaimed international architects, simultaneously running his own studio for the last 15 years. He holds a master’s degree from the Bergen school of Architecture (BAS).

Our goal is to produce and deliver the most optimized solution

within the projects given framework.

That is why we dive deeper and go further than the traditional commissions, by offering pre-architecture advising in early phase for all our assignments. To our experience early and thorough analysis to make guided decisions paves for the success of the project, and that its potential is limited to strength and resilience of strategy one lay up on it.


To take advantage of the contradictions, specific and generic demands concerning every assignment, exploiting the uncertainties

– turning disadvantages in to benefits providing for innovation and customization, optimizing the result with the uppermost useability and excellent quality.

For us problem solving is turning disadvantages in to benefits

We are always searching for new projects, partners, and collaborators. Do you have a potential project collaboration? Don’t be a stranger! We love to hear about your ambitions.

+ 47 900 11 019

We do it – for the love of it!

Grahl-Madsen & Sponberg Architecture

Designed and developed by GMSA 2023