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About us

Who we are

Your leading real estate development company on the paradisiacal island of Koh Samui. Specialising in the construction of homes with pools, we bring you our vast experience and professionalism to create real estate projects that meet your expectations while respecting the island’s natural environment.

With many years of experience in the industry, Horizon Development Koh Samui guarantees you top-quality constructions. We work with a team of passionate experts to provide homes that meet the highest quality standards, perfectly in harmony with the local environment. Each project is carefully designed, taking into account the island’s specifics and integrating ecological and sustainable solutions.

We use solid and durable materials, carefully selected for their strength and longevity. Such selection guarantees that our constructions endure and sustain their beauty and functionality over an extended period. Our priority is to offer you a secure and sustainable investment in high-quality homes, capable of withstanding the island’s weather conditions and standing up to the wear and tear of time.

Our Team of Experts

Lamine HAOUAS
Lamine Haouas
Co-founder & Non-executive Director

Lamine HAOUAS has built his experience through a rich and international life journey, fueled by curiosity and adaptability. His global vision of the real estate and construction sectors is supported by strong financial management skills and a pragmatic approach to projects. As a co-founder, he provides thoughtful support to the company, guided by rigor and a constant search for balance between performance and sustainability. His ability to facilitate communication with a diverse clientele is a valuable asset in supporting the company’s growth.

Lamine HAOUAS has built his experience through a rich and international life journey, fueled by curiosity and adaptability. His global vision of the real estate and construction sectors is supported by strong financial management skills and a pragmatic approach to projects. As a co-founder, he provides thoughtful support to the company, guided by rigor and a constant search for balance between performance and sustainability. His ability to facilitate communication with a diverse clientele is a valuable asset in supporting the company’s growth.

Paul GUILLAUME
Paul Guillaume
Co-founder & Non-executive Director

With over two decades of experience in construction, Paul GUILLAUME has built his career over the years, driven by a passion for the craft and respect for quality work. His entrepreneurial path has been shaped by diverse projects, carried out with rigor and patience, in both new builds and renovations. He now offers the company a steady perspective, valuable experience, and constant attention to quality and project coherence. As a co-founder, he contributes to major strategic decisions, staying true to simple values: diligence, integrity, and pragmatism.

With over two decades of experience in construction, Paul GUILLAUME has built his career over the years, driven by a passion for the craft and respect for quality work. His entrepreneurial path has been shaped by diverse projects, carried out with rigor and patience, in both new builds and renovations. He now offers the company a steady perspective, valuable experience, and constant attention to quality and project coherence. As a co-founder, he contributes to major strategic decisions, staying true to simple values: diligence, integrity, and pragmatism.

Chanakan CHOOPHET
Chanakan Choophet
Managing Director

Thai by nationality, Chanakan CHOOPHET has a strong expertise in real estate marketing, gained within international Asian groups. She plays a key role in developing and promoting our projects in Thailand. Specialized in digital communication, branding strategy, and advertising, she implements targeted actions to strengthen the company’s visibility and structure its market positioning. Her methodical approach and deep knowledge of the local real estate sector ensure optimal impact.

Thai by nationality, Chanakan CHOOPHET has a strong expertise in real estate marketing, gained within international Asian groups. She plays a key role in developing and promoting our projects in Thailand. Specialized in digital communication, branding strategy, and advertising, she implements targeted actions to strengthen the company’s visibility and structure its market positioning. Her methodical approach and deep knowledge of the local real estate sector ensure optimal impact.

Orlane GAILLOT
Orlane GAILLOT
Partner – External Design Consultant

Orlane GAILLOT, a painter and artist, brings an artistic and emotional dimension to our projects by combining painting, decoration, and interior design. Her creative support, from concept to realization, helps create spaces where art dialogues with architecture. Inspired by nature, she favors raw and sustainable materials — wood, stone, natural fibers — and promotes local craftsmanship. Her mission: to design unique, warm, and authentic places where life is good.

Orlane GAILLOT, a painter and artist, brings an artistic and emotional dimension to our projects by combining painting, decoration, and interior design. Her creative support, from concept to realization, helps create spaces where art dialogues with architecture. Inspired by nature, she favors raw and sustainable materials — wood, stone, natural fibers — and promotes local craftsmanship. Her mission: to design unique, warm, and authentic places where life is good.

Maître Teeranan CHUAICHAI
Maître Teeranan CHUAICHAI
Partner – Thai Legal Counsel

A recognized lawyer based in Koh Samui, Maître Teeranan CHUAICHAI is an expert in real estate law and was elected among the best lawyers in Thailand in 2025 by the Lawyers Council of Thailand under Royal Patronage. He plays a strategic role in legally securing our projects by ensuring compliance and optimization of administrative and contractual procedures. His expertise provides our clients and partners with enhanced legal security and complete peace of mind in their investments.

A recognized lawyer based in Koh Samui, Maître Teeranan CHUAICHAI is an expert in real estate law and was elected among the best lawyers in Thailand in 2025 by the Lawyers Council of Thailand under Royal Patronage. He plays a strategic role in legally securing our projects by ensuring compliance and optimization of administrative and contractual procedures. His expertise provides our clients and partners with enhanced legal security and complete peace of mind in their investments.