Lyndsay is the Owner/Director of Lyndsay Tait & Associates Ltd, he has been a Chartered Accountant in public practice since 1984.
Lyndsay provides financial and strategic planning advice to a wide variety of small, medium and large businesses both in New Zealand and overseas.
In 2002 Lyndsay was elected as a director of New Zealand Automobile Association Ltd and its many subsidiaries. In addition to being on the Board Lyndsay is also on the Audit Committee and the Remuneration Committee.
Lyndsay is a director of Enterprise Wanganui, this company's mission is to encourage and develop business growth in the Wanganui and Rangitikei regions.
Lyndsay has in the past also been a director of the Wanganui Games Trust. This trust is responsible for running the NZ Masters Games in Wanganui.