Who are TMA?
We provide professional services in landscape design, arboriculture, ecology, and natural capital, supporting projects across planning and land management. Our expertise includes large scale tree surveys, digital and GIS assessments, natural capital evaluations including iTree Eco, and biodiversity enhancement strategies.
Trusted by infrastructure developers, land managers, and homeowners, we deliver clear, practical solutions across development planning, expert witness work, mortgage and subsidence assessments, and long term landscape and environmental management. Our reputation is built on professionalism, precision, and a strong understanding of environmental challenges.
Our Team
At TMA, our people are at the centre of everything we do. We are a team of professionals, industry leaders, and innovators who share a common goal: delivering exceptional outcomes for our clients. Collaboration, creativity, and a supportive culture make TMA not only a great place to work but also a trusted partner for those we work with.
Alice McAuley
Managing Director
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Emma McDonald
Director
Tim Moya
Director
Simon Thomas
Associate Director of Ecology
James Chambers
Principal Arboricultural Consultant
Chris Wright
Principal Arboricultural Consultant
Maria Rapti
Principal Landscape Architect
Glyn Jones
Principal Arboricultural Consultant & Team Lead
Harriet Radmore
Managing Technician
Bradley Collins
Senior Ecologist
Sarah Holdaway
Senior Project Co-ordinator
James Allnutt
Senior Arboricultural Consultant
Juan Castellanos
Principal Geospatial & Digital Transformation Consultant
Lee Davies
Senior Arboricultural Consultant
Siobhan Daniels
Principal Landscape Architect
Loic Jourdan
Senior Technician
Sean Pursey
Arboricultural Consultant
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Emily (Burns) Crosby
Senior Contracts Manager
Matthew Barker
Senior Arboricultural Consultant
Lynden Reed
Senior Ecologist - Head of Bats
Loren Daley
Arboricultural Consultant
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Becky Dennis
Office Manager & Accounts Admin
Paul Sheridan
Principal Ecologist
Rosalie Brooks
Project Co-ordinator
Pheobe Koonce
Senior Geospacial Consultant
Kendra Edwards
Assistant Ecologist
Jake Duthie
Arboricultural Consultant
Clayton Dickerson
Arboricultural Consultant
Maya Harvey-Mills
Consultant Ecologist
Daniel Kitching
Arboricultural Consultant
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Phil Gower
Principal Arboricultural Consultant
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Ellis Fletcher
Arboricultural Consultant
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Claudia Curell
Consultant Ecologist
Zac Richards
Seasonal Assistant Ecologist
Our Values
Trusted Expertise
For 30 years, we’ve earned the trust of our clients by combining our expertise with clear advice and thoughtful design to deliver practical, sustainable solutions.
Multidisciplinary Insight
Our team work collaboratively to ensure alignment across disciplines, reducing duplication, minimising abortive work, and delivering projects with clarity and cost efficiency.
Advancing Our People
We prioritise professional development, innovation, and wellbeing, making TMA a rewarding place to work.
Technological Innovation
We invest in cutting-edge technology, from 3D modelling, infrared cameras, advanced tree diagnostic equipment, and develop our own software for industry-leading data capture.
Measuring Meaningful Metrics
We quantify the value of your ecosystem services using tools like BNG, iTree, CAVAT, and Urban Greening Factor. Our insights turn data into meaningful, lasting impact, helping you plan effectively for environmental uplift.
Accredited and Awarded
We are committed to delivering quality in everything we do. We are proud to be recognised as a Registered Practice with both CIEEM and the Landscape Institute.
