THE PAST IS THE FUTURE. THAT'S WHAT WE BUILD ON.
Is the future what isn’t here yet? Wrong. Today’s buildings already contain the built environment of tomorrow. We view existing buildings as a space of possibilities that we shape together with our clients.
As the market leader in building renovations, we carry out transformation projects of every scale and complexity across nearly all asset classes. In doing so, we stand for partnership on equal footing: based on trust, clear in our approach, and respectful in our interactions.
For us, partnership also means not letting up until we’ve found the best solution. But since concepts are only as good as their implementation, that’s only half the battle. Drawing on our experience from 5,000 projects, we know what matters most in building stock transformation: Integrating planning and construction. That’s why we rely on Design & Build. We take responsibility across the entire value chain and provide all services—from planning to turnkey handover—from a single source.
The biggest advantage of existing buildings? They’re already there. It’s a matter of sustainable common sense to harness this—in the truest sense of the word—substantial potential, to adapt buildings to new requirements, and thereby create opportunities for long-term value appreciation.
BUILDING TEAMS
We believe in the power of teamwork. That’s because, when it comes to complex transformation projects, having individual disciplines work sequentially or in isolation isn’t enough. The best solutions emerge only through collaboration. That’s why, for every project, we bring together the right experts—from cost estimation and construction management to interior design, building services, and ESG—in an interdisciplinary team.
Why apoprojekt?
Our mission: To understand our clients better than anyone else. That’s why we delve into the goals behind each project. What is the property intended to achieve in the future? What needs to change to make that happen? This allows us to plan projects with technical precision and execute them on time and within budget—always with an eye toward the property’s long-term profitability.
Financable
With Design-to-Cost, we ensure economic planning certainty and transparency in cost estimates.
Feasible
Design & Build and interdisciplinary teams enable us to implement complex projects quickly, smoothly, and reliably.
Leasable
Attractive space concepts and ESG-compliant standards increase market appeal and accelerate the leasing process.
Functional
We plan with foresight and create spaces that can be flexibly adapted to different uses and changing requirements.

Why apoprojekt?
Our mission: To understand our clients better than anyone else. That’s why we delve into the goals behind each project. What is the property intended to achieve in the future? What needs to change to make that happen? This allows us to plan projects with technical precision and execute them on time and within budget—always with an eye toward the property’s long-term profitability.
Financable
With Design-to-Cost, we ensure planning reliability and transparency in cost estimates.
Feasible
Design & Build and interdisciplinary teams enable us to implement complex projects quickly, smoothly, and reliably.
Leasable
Attractive space concepts and ESG-compliant standards increase market appeal and accelerate the leasing process.
Functional
We plan with foresight and create spaces that can be flexibly adapted to different uses and changing requirements.

Our References
More than 5,000 successfully completed projects demonstrate what we can do.
YOUR LOCAL CONTACTS
Are you planning a renovation project? Then let’s talk about it. We’re here to assist you in person at our regional locations.
The Management

Alexander Knälmann (Founder and Managing Director),
Stephan Winn (Managing Director),
Thilo von Trotha (Managing Director)
Alexander Knälmann
, Founder and Managing Director
Stephan Winn
, Managing Director
Thilo von Trotha
, Managing Director







