TPA Inc., also known as Thymio Papayannis & Associates, is a renowned multidisciplinary consulting firm based in Athens, Greece. With over sixty years of experience, TPA has become one of the oldest and largest consulting firms in the country. The firm has made a significant social impact in Greece and the Eastern Mediterranean through its studies, programs, and interventions in regional planning, environmental protection, urban planning and development, landscape architecture, regeneration projects, and contemporary architectural design.

TPA specializes in a wide range of sectors, with a particular focus on tourism, health, and sports facilities. With a strong emphasis on collaboration, TPA has successfully worked with international clients and consultants. The firm's commitment to excellence is evident through its numerous international and Greek distinctions, awards, publications, and scientific reports.

TPA takes a holistic approach to its projects, considering the natural and cultural heritage of each area while ensuring sustainable development and efficient resource management. With a diverse portfolio that includes spatial and environmental planning, urban regeneration, healthcare, hotels, residential projects, landscape design, arts and culture, education, sport facilities, industrial facilities, interior design, and more, TPA aims to create meaningful and lasting experiences that positively impact the local communities. The firm's dedicated team brings together decades of experience, social sensitivity, creativity, and a passion for delivering excellence in every project undertaken.

TPA's mission is to provide effective and efficient solutions to clients' needs while prioritizing the sustainable use of resources and preserving cultural and natural heritage. With an unwavering commitment to design excellence, technical proficiency, and multidisciplinary collaboration, TPA continues to be a trusted and respected consulting firm in Greece and beyond