Ewan joined Ossian in 2023 and Grigor in early 2025, though their collaboration goes back much further. The pair first studied together at the Mackintosh School of Architecture, and since then, they’ve developed a shared approach to thoughtful, context-driven design, shaped by their work across Scotland and beyond.

Sustainability is a common thread in their approach, with an emphasis on fabric upgrades, regionally sourced low-impact materials, and collaboration with local craftspeople and trades.

Ewan brings experience from other leading practices, where he worked on complex urban and heritage sites. His work combines an understanding of technical and contextual challenges with a growing portfolio of rural projects, where material, craft and detail play a central role. He is particularly interested in how architecture can respond to place, drawing on local histories, natural materials and construction traditions to create buildings that feel rooted and enduring. 

Grigor has worked across differing scales and typologies throughout his career, from large residential developments to light-touch adaptive reuse. His work ranges from careful retrofits, where original features are retained and celebrated, to new-build projects shaped by vernacular forms and landscape.

In each project, his approach begins with an understanding of existing places and the people who shape them. Grigor values collaboration with local makers and has a keen interest in composition, material and detail.

Martin Flett, director of Ossian Architects, said the pair’s promotion recognises the skill, leadership and perspective they’ve brought to projects and studio culture to date, adding that he is excited to see their influence continue to grow in the years ahead.

“Ewan and Grigor have each brought a huge amount of creativity, energy and care to their work,” Marton said. “Their promotion recognises their shared commitment to thoughtful, sustainable design and to the collaborative culture that defines our practice.”