Design Excellence Singapore Trusted
Design-To-Defects Professionals
Our Story
For more than a decade, Ark Interior has grown uniquely in Singapore property transformations through our unique architect-engineer partnership. Lead by our perseverance, our team blends creative vision with technical precision – delivering flawlessly executed spaces that pass rigorous IES/BCA/HDB compliance standards and defect inspections standards
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Unlike conventional interior firms, we integrate structural engineering expertise into every project. This dual-discipline approach has made us the preferred partner for discerning homeowners, property developers, and commercial clients across Singapore.

ARCHITECT- ENGINEER HYBRID TEAM
DEFECT PREVENTION FOCUS
REGULATION EXPERTS
MANAGED > $2 BIL PROJECT VALUE IN 25+ YEARS
Why We Are Different
At Ark Interior, we transform spaces through deep collaboration. Our architect-engineer team listens intently to your functional needs and aesthetic vision - whether for HDB renovations, landed property builds, or defect-free home & commercial spaces.
Our Values
CREATIVITY
Intense Yet Innovative
​PASSION
Passion to Learn. Desire to Excel
​PROCESS
Piece by Piece. We Built Great Walls
​WILL
Determination. Never Give Up
​DEDICATION
Commitment. Self-discipline
Our Goal
Through the variety of projects and skills-specific training, Ark Interior aims to assist our team to becoming an international team player and perform to the best of their ability through the principal of teamwork, care, discipline and dedication. We greatly believe that a skilful professional with a great character IMPACTS the enjoyable process of our valuable clients
Our Misson
To deliver spaces where safety, functionality and beauty coexist – without compromise
Our Vision
Building the next generation of homes and commercial space with a loving heart.
Our Expertise

Gary Koh
Managing Director & Lead Defects Specialist
25+ years in Singapore Construction
"we don't just build spaces; we co-create environments where clients fall in love with their surroundings." ~ gary
Mr Koh is a Senior Member (Elected) in The Institute of Engineers Singapore (IES), a Certified Project Manager and holds a Civil & Structural Degree. With 25 years of construction site supervision and management experiences, Mr Koh is a team player whom had managed more than $2 billion in construction project values working as a property developer, consultants and contractors. He leverage his expertise in financial management, market analysis, and strategic planning to contribute to the organisational success.l
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REGULATORY COMPLIANCE
Adherence to HDB/BCA guidelines on every project
RIGOROUS VETTING
All specialists hold active IES/BCA Certification
INSTITUTIONAL PARNERSHIP
Tied to Singapore's top engineering consultancies
"We prioritise results over recognition - your project's precision is our reputation."