Tefke Oy - Building living ecosystems
Permaculture-Inspired Landscaping in Greater Helsinki Region, Finland
We innovate daily with ecological landscape design, new ways of hardscaping and gardening that supports biodiversity
We are a small and nimble company, constantly experimenting with new ways of working in the landscaping industry. For example, we harvest and cultivate our own local wildflower and native plant seeds for meadow projects, study and enrich the soil microbes on our sites, and pioneer new ways to integrate biodiversity and natural dynamics into landscaping projects. We’ve had the privilege of contributing to several research projects with leading Finnish universities like Aalto, and we take immense pride in having crafted so many vibrant, living environments for our clients.
We empower our clients for a more sustainable future
We are dedicated to not only building green spaces, but long-term learning journeys where our clients grow more aware of their environment alongside their spaces — not just during the project, but for years to come. We strive to share our expertise and inspire actionable change for both people and planet, whether in urban centers or rural landscapes.
The people behind our passion
Our team brings together seasoned hardscape construction professionals, innovative landscape designers, and experienced landscape maintenance professionals, while empowering the next generation of talent through annual early-career opportunities.
Landscape Designers at Tefke Oy
Joel Tefke
Founder and Head of Design
Horticulturist and Permaculture Designer passionate about systems thinking and ecological harmony. I specialize in analyzing, evaluating, and developing holistic nature-based solutions that reconnect human activities with natural processes.
Driven by an idealist vision and grounded in practical experience—whether leading complex ecological projects or working hands-on in the soil—I design spaces where individual elements and whole ecosystems thrive together.
Marja Nuora
Landscape Designer
Bringing over two decades of experience in organic agriculture to sustainable landscape design, I focus on holistic, nature-first solutions. As a Horticulturist and certified Permaculture Teacher, my expertise lies in continuous plant development and integrated ecosystem management—delivering design, consultation, and maintenance that help people and landscapes thrive together.
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