About Sustainable X

We’re passionate about working with businesses to improve their sustainability.

Sustainable X is a sustainability consultancy who help businesses make progress on sustainability

Sustainable X - sustainability consultants

At Sustainable X, our mission is to help businesses not just talk the talk, but walk the walk so that people are proud to work with them. Through our tailored consultancy services, we work with organisations to help them identify their most significant impacts, break down the challenges, understand their goals, prioritise the right actions, and develop a roadmap to success. 

We support businesses in pulling all aspects of their sustainability efforts together. This makes it easier for them to communicate their commitments to the right audience, at the right time.

Whether you want to instil confidence in investors, attract and retain top talent, or engage customers, we’re here to get you on the right track, authentically. All while reducing costs, and minimising risk.

Our Sectors

Sustainability sectors graphic

Our Founders

Sustainable X came from Rondi and Nick’s shared interest in Sustainable Business and recognising the urgency of working towards Sustainable Development Goals.

The energy the process generates in people is infectious, and we get real satisfaction from seeing customers benefit from taking action to ‘X’ their positive impacts. Having run businesses ourselves, we appreciate the day to day pressures and challenges you face, and always strive to be humble, supportive and positive!

Rondi Allan of Sustainable X

Rondi Allan

Rondi was formerly a Price Waterhouse Chartered Accountant and has Manufacturing and Supply Chain expertise. Originally from Australia, she has worked extensively on 4 continents and been a Board Member in 6 countries.

Nick Reilly of Sustainable X

Nick Reilly

Nick is a Practitioner of the Institute of Environmental Management & Assessment and comes from a Civil Engineering background. Originally from Northern Ireland, he has extensive SME leadership experience as an MD and CEO in the construction and utilities sectors.

Our Team

Everyone on our team who works directly with customers has spent the majority of their careers in business. As Company Directors, Function Leaders and everything that led them there. So we understand real business pressures, and take a practical outcome focused approach to get things done for you.

Siobhan Lavelle of Sustainable X

Siobhan Lavelle

Siobhan has many years of corporate and social responsibility experience, with expertise in reputation and marketing strategy.

Jamie Pratt

Jamie is an experienced Operations Director, and has particular expertise specialising in Supply Chain and Operational effectiveness.

Jamie Pratt of Sustainable X
Nick Shanagher of Sustainable X

Nick Shanagher

Nick is an experienced Managing Director, with business strategy and retail sector expertise.

Neil Huzinga

Neil is an award-winning business leader and specialises in innovation and value creation.

Neil Huzinga of Sustainable X
David Hawes of Sustainable X

David Hawes

David is an experienced leader in customer centric organisations with large field teams. He also brings expertise in carbon accounting and measurement.

Recent Awards & Recognition

What our clients say

Some of the clients we’ve worked with

Sushi Gourmet logo
form_ logo
Articad logo
Big Green Smile logo
Richard Irvin logo
Storm logo
Time Finance logo
APR logo
Watford Council logo
Brightly logo
Amthal Fire logo
Mama Bamboo logo
O'neill Brennan logo
IF DO logo
RO logo
Curious Universe logo
Rennie Hospice logo
Sigma logo
R logo
DF Capital logo

See how we can help you

accelerate your sustainability

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