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“At 5 Masons, we are committed to deliver and bring customer experience to our clients”

Tommy Chang, Co-founder & Project Director.



5 Masons Pte Ltd is founded by our founding team of highly-experienced design and construction players who aim to bring professional standards at the commercial level to all our projects, from large-scale industrial buildings to HDB homes.

Our vast experience interior design and project management portfolio covers more than 1000 residential projects and 600 commercial projects. These varying from retail spaces as spacious as 80,000 square feet of office space; supermarkets, hypermarkets, shophouses, restaurants, cafés, medical facilities, fitness gym, the list goes on.

At 5 Masons, we possess unwavering strong beliefs in delivering customer excellence and experience, coupled with a personal touch to our clients.


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5Masons Our Values


We are a full-service design and construction company that aims to provide services to our commercial and residential clients that consistently delivers on our guiding values.

Customer Satisfaction





5Masons Qualifications



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5 Masons is championed by Co-founder and Project Director, Tommy Chang, who is known in the commercial and residential industry for his wit and pro-active solutions for his clients. In 1999, Tommy represented Singapore in an international design competition in Japan and won a Bronze award.

Design & Build
5 Masons Design & Build

Design & Build is a method to deliver a project in which the design and construction services are contracted by a single entity and answers your wish for a single point of responsibility to reduce risk and overall costs. At 5 Masons Pte Ltd, our design & build team provides one unified flow of work from inital concept through completion professionally faster, more cost effectively and with fewer change orders. We aim to partner you, hear and deliver on your vision.

Construction Works
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5 Masons Pte Ltd provides professional technical solutions for your design intent. Our experienced Project team will take charge of all construction processes from authority submissions, technical drawings and manage project schedule and budget to bring your design to reality. Our capable team will work closely with reliable traders and suppliers to govern your budget, timeliness and deliver quality works.

Mechnical & Electrical Engineering Works
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Delivered primarily by our partner, Hon Sheng Electrical Engineering Pte Ltd, our M&E services works professionally to comply with contractual, statutory and the quality management system requirements  to complete undertaked projects on time, cost effectively with minimum defects.



5 Masons Pte Ltd

61 Ubi Road 1 

#01-28 Oxley Bizhub

Singapore 408727


General Enquiry:

Tender Enquiry:

Opening Hours

Mon - Fri  8:30am – 5:30pm

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