About Us


We partner you to provide reliable and quality water piping systems and waste management solutions through strategic ALLIANCE with established principals.


Your preferred partner – working with stakeholders to bring innovative water piping systems and waste management solutions to protect the environment for a better future.


Teamwork, Taking Ownership, Continuous Learning, Productivity & Customer Satisfaction.


Grande Alliance Corporation (GAC) is a brilliant place that offers a different type of experience. It is a 1 stop solution to all of your plumbing needs. Modern-day wholesaler typically supply you with various high quality products at affordable factory pricing.

GAC is a reputable plumbing & sanitary ware supplier that has an amazing track records and an even more impressive range of products that helps contractors (main and sub) to yield maximum profit with valued for money and highly dependable products.  Active member of the Singapore Sanitary Ware Importers & Exporter Association always keeping abreast with the authority – Public Utility Board (PUB) on its new regulations and standards.

Looking back through history, GAC branched off from a huge consortium (HAH Grp.) in year 1993 with a mammoth ambitious to be the largest construction supplier in Singapore and the regional. 

Its current Executive Director, who is also the founder with multi-disciplines back drop, clear foresights and solid down-to-earth business management philosophy, he has established strong foothold and rapport among overseas manufacturers.

Looking back in time (history)

Hurdled through the

GAC had emerged sturdier and grander than ever before.


Excellent sales support, their team responds is the reasons for their success.  We highly recommend Grande Alliance Corporation Pte Ltd to our licensed plumbers and contractors.

Mr. Eric Lim KC- Project Manager

… Fully responsive and professional sales person. Encompass under one stop solutions to all my plumbing needs.  Deeply appreciated.

Mrs. Sharon Tan – Building Owner