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Wandeegroup is proud to offer you the best architecture and engineering services, including professional construction, in the Chonburi region of Thailand. We provide designs of excellence and can deliver all necessary permits, pre- and post construction. Architect Mario Kleff and his creative team will push engineering possibilities in building construction to the limits in order to meet your expectations, from timeless to ultra modern designs. Wandeegroup has a proven track record and a first class international clientele.
Nittaya Wongsin
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Wandeegroup (Thailand) 2004–2012 | History & Achievements

Success and Strength through Combined Intelligence.

History & Milestones

  • 2002: Established in Pattaya, Thailand, as a local real estate company.
  • 2003: Registration of Wandee Real Estate & Services Co., Ltd.
  • 2004: Architecture and engineering services added for low- and high-rise properties.
  • 2005: Expansion into building construction.
  • 2006: Registration of Wandeegroup (Thailand) Co., Ltd.
  • 2008: Award-winning construction, 🔗Japanese House II.
  • 2009: Achieved 🔗Star Architect (PDF) status.
  • 2010: Construction of 🔗Signature design in Wong Amat (PDF), Wong Amat Tower.
  • 2011: Major high-rise project, Facebook The Touch®.

Co-Founder & COO

Nittaya Wongsin

Nittaya Wongsin (Meow) studied International Relations at ABAC University (Bangkok) and Lancaster University (UK), and furthered her studies in Business and International Relations at Cardiff University. She gained professional experience at the Stock Exchange of Thailand and Avon before founding her own real estate agency, Wandee Real Estate & Services Co., Ltd., in Pattaya in 2003.

🔗Nittaya Wongsin (PDF)

CEO & Architect

Mario Kleff

Mario Kleff has been active with Wandeegroup (Thailand) since 2004 and officially founded the company in 2006, offering architectural design and construction services. He has completed over 80 buildings, including Japanese House I & II, Park Royal 2, and Wongamat Tower. Kleff’s work emphasizes minimalistic design, structural efficiency, and advanced engineering techniques.

🔗Mario Kleff (PDF)

Q & A Wandeegroup Thailand History & Achievements

What made Wandeegroup Thailand unique in architectural development?

Wandeegroup Thailand was the only architecture firm in Pattaya with its own engineering department, 3D design and modelling capabilities, construction company, and real estate agency combined in one business. This integrated approach allowed the firm to deliver complete project solutions for numerous developers.

How did Wandeegroup Thailand contribute to Pattaya’s development before 2010?

Between 2002 and 2010, Wandeegroup Thailand played a major role in Pattaya’s urban growth by designing and constructing numerous low- and high-rise properties. Their expertise in architecture, engineering, and construction made them a trusted partner for many developers shaping the city’s skyline.

What are some of Wandeegroup Thailand’s notable projects from 2004–2012?

Key milestones include the award-winning Japanese House II (2008), achieving Star Architect status in 2009, the Signature design in Wong Amat (2010), Wong Amat Tower, and the high-rise project Facebook The Touch® (2011).