Founded in 1986, ADDP Architects is a multi-faceted architectural practice based in Singapore that offers a comprehensive scope of services including architectural and interior design, project administration and master planning. Since formation, a strong base of expertise has been established for a wide spectrum of project types with accomplishments of an international profile.

ADDP's philosophy emphasizes vibrant growth through the production of innovative and quality designs, which at the same time are responsive to client's operating budgetary needs.
ADDP has been awarded BCI Asia Top 10 Architectural firms in Singapore for years 2005 to 2011. This award honors the commercially-most significantly architectural firms in Singapore. ADDP is one of the first architectural firms to be certified ISO 14001 – Environmental management System in year 2005 as the management is committed to green and sustainable building design.

Mr Lim Boon Leng, John graduated from University of Singapore in 1978 and is one of the founding members of ADDP in 1986. He has more than 30 years of architectural experience practice in Singapore and around the region.

Mr Lim Meng Hwa graduated from University of Singapore in 1978. He was in private practice and Housing & Development Board for 9 years before becoming one of the founding members of ADDP in 1986. He has more than 30 years of architectural experience practice in Singapore and around the region.

Mr Wong Toon Jin graduated from University of Singapore in 1979 and is one of the founding partners of ADDP in 1986. He has more than 30 years of architectural experience practice in Singapore and around the region. He had few years of working experiences with the Housing & Development Board before joining the private practice. Mr Wong possesses a diverse experience in master planning, the design of mixed development, office, residential, commercial, civic, industrial and institutional buildings. A responsible and respected practitioner in the architectural practice, Mr Wong has garnered a wide range of projects in Singapore and overseas in China, Malaysia, Philippine, Myanmar, United Arab Emirates and Vietnam.

Mdm Chin Hang Ping joined ADDP Architects LLP as partner in 2010. She has more than 30 years of architectural experience practice in Singapore and around the region. Before joining the private practice, she worked in the Housing & Development Board for 25 years and subsequently joined the HDB corporatised company - Surbana International Consultants Pte Ltd for 7 years. Mdm Chin possesses a diverse experience in architectural design, master planning and urban design especially in Town Planning & Implementation, Land Use & Transportation Planning. She was involved in several HDB and overseas township development projects. She completed a wide range of projects from design of public housings to mixed development, office, residential, commercial, civic, industrial and institutional building projects.

Mr Ow Wah Foong graduated from University of Singapore in 1978 and is one of the founding partners of ADDP in 1986. He has more than 30 years of experience in architectural design, contract administration and project management in both public and private sector projects, in Singapore, Malaysia, Indonesia, Vietnam and China. Mr Ow is a corporate member of the Royal Institute of British Architects and, since 1993, he was appointed by the Board of Architects, Singapore as an advisor for Professional Training of Architects' Registration. Apart from being a Corporate Member of the Singapore Institute of Architects, he is also representing the Singapore Institute of Architects to sit on the BCA-NPark Sub-Committee since 2007.

Mrs Ow-Tsai Ay Giok graduated from University of Singapore in 1978, is a corporate member of the Royal Institute of British Architects. She has more than 30 years of experience in architectural design, contract administration and project management in a wide range of projects, both public and private sector, in Singapore and around the region. Her experience includes mixed development, commercial, residential, industrial and institutional buildings.