The business has since constructed more than 400 homes and 600,000 square metres (6,500,000 sq ft) of commercial office space in Auckland, and is the largest private property development company in New Zealand.

Other programmes include the targeted provision of teaching resources for new-entrant classes and school counselling and wellbeing services.

[4][5] In the 2015 New Year Honours, Manson was appointed an Officer of the New Zealand Order of Merit, for services to urban redevelopment.

[6] He was promoted to Companion of the New Zealand Order of Merit, for services to philanthropy, urban development and business, in the 2022 Queen's Birthday and Platinum Jubilee Honours,[7] and further promoted to Knight Companion of the New Zealand Order of Merit, for services to philanthropy, the community and business, in the 2025 New Year Honours.

[8] In 2023, Manson was inducted into the New Zealand Business Hall of Fame, in recognition of his contributions to property development and social equity.