About Us

From Concept to Completion.

Sigma Consultants is a multidisciplinary consultancy offering Architecture, Engineering and Planning services that has been based in Rotorua for over 23 years.

We have an unparalleled knowledge and understanding of local conditions and factors that result in successful projects in the Rotorua district and beyond. We have worked on projects throughout the country, building long term relationships with clients.

Being based in Rotorua we are passionate about our community and the area. We aim to make a lasting contribution to the urban and natural environment through sensitive and sustainable environmental design principles that filter through all the disciplines within the practice.

We offer our clients the opportunity of a ‘concept to completion’ service. Depending on the scale and requirements of each project, we provide professional advice individually or in a carefully chosen team with the relevant expertise from our broad range of disciplines to work collaboratively with our client and deliver excellent results.

Who We Are

Our best feature is our people.

Our wide range of services comes from our highly skilled and diverse team. We are proud of who we are and we take that pride and put it into our work. If you want the best of the best, talk to one of us.

Ann Nicholas

Principal Planner

Adam Tokelove

Principal Civil Engineer
BE(Env), CPEng, CMEng

Jacqui Heaton

Architecture Team Lead
(B.Arch) NZIA

Mark Jones

Technician Engineer
CMEngNZ (Eng. Tech.)

Jonathan Ward


Kate Dahm


Pam Rossiter

Senior Architectural Tech.

Sarah Bullock

Senior Architectural Tech.

Linda Kennedy

Practice Manager