SGI was formed in 2008 as part of an international expansion program and the result of a partnership arrangement between of Stephen George and Partners est 1970 and K&D Architects est. 1995.

Since 2008 SGI has become one of the leading Architectural practices in the Central and Eastern European region, delivering firsts in different sectors and winning multiple awards along the way. In 2019 SGI opens a new chapter in it’s development retaining a strategic partnership with our colleagues in the UK, as well as gaining the flexibility to choose our markets and our future direction by becoming an autonomous operation. Our team in Sofia is around 50 Architects and Engineers. Our award-winning teams are highly versatile, providing an exceptional level of expertise in master planning, design and delivery.

Our immediate focus is to develop our presence throughout Europe where we have existing expertise such as the UK and Germany. Although we are based in Sofia, Britain will always be our home, by offering our experience and skills with a light, local footprint, we are able to significantly reduce costs for our clients. We excel in quality of service and are proud to have built long-term relationships with clients across a range of sectors, including, Logistics + Industrial, Offices + Workplace, Residential, Retail + Mixed-use, Interiors + Fit-out, Transport and Leisure.

We are known for our quality, reliability and integrity. We respond rapidly to client requirements, applying technical expertise and commercial realism to resolve complex issues effectively and we produce well-designed, innovative and deliverable buildings. We are committed to nurturing an open, inclusive, fair and supportive business that also embraces our duty of care to our community, the environment and society as a whole.

SELECTED Portfolio



At Stephen George International we employ talented architects and technical staff on a diverse portfolio of exciting projects. We are always interested in meeting new architects, engineers and students who might want to bring their talent and ambition to our team in the future.

We are committed to positive employment policy, and actively encourage our staff to take training and promotion opportunities.