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Leveraging Value From Sustainability Transformation 

Many organisations we come across, approach sustainability from a compliance perspective and as a cost of doing business.   We take a different approach. We know that within sustainability transformation there are a wealth of strategic opportunities to reduce cost and add lasting value to the bottom line.  
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Carbon Footprint

A carbon footprint is a calculation of total greenhouse gas (GHG) emissions caused directly by a person, organisation, event, or product. We help orgnisations decarbonise
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Find out how we can help

If you think we could be a good fit for your organisation or project get in touch.
Get in touch

Why Choose Cala Sustain?

  • Passionate about sustainability
  • Expertise and professionalism
  • Proven track record
  • Bespoke quality service
  • Focused on delivering long term value

Why Choose Cala Sustain?

  • Passionate about sustainability
  • Expertise and professionalism
  • Proven track record
  • Bespoke quality service
  • Focused on delivering long term value

Second to None

We have collaborated successfully with the Cala Sustain team on a number of occasions. We have always found them to be knowledgeable, reliable, enthusiastic and very experienced. 

In Defence, their understanding of environmental and sustainability policy and standards is second to none. 

Marc Brule-Walker
Integrated Logistic Support Manager
Red Scientific

Always Add Value

The Cala Sustain team has been our trusted support service for all things “responsible business”. They are able to quickly understand and meet our challenges, understand our business and they always add unexpected value. 

The Cala Sustain team is trustworthy, reliable and knowledgeable. I can’t recommend them highly enough. 

Jerry Beeston
Facilities Manager
Nisbets Plc

We couldn’t have done it without you

I just wanted to thank you for all the support you gave us with the renewal of our Royal Warrant.

We all breathed a big sigh of relief when we found out that we had been successful, and we couldn’t have done it without you!

Kate Gough
General Manager
Mitre Linen

Great people to do business with

Mark’s knowledge and understanding of corporate sustainability issues is extensive. His ability to provide practical solutions to difficult problems through the application of analytical and lateral thinking makes him a great person to do business with. 

Phil Harding
MBE

In depth Knowledge

Mark has substantial knowledge and experience of environmental and sustainability management issues, an in-depth knowledge of the Ministry of Defence’s processes and procedures, and a sound knowledge of the wider defence industry. 

Tommy Mason
QINETIQ

Great Partner to work with

Cala Sustain have been a great partner to work with on Sustainable Procurement projects, including for the NHS, Defra and under a variety of Frameworks. They demonstrated a wealth of knowledge, experience, tenacity and a clear understanding and practical application of the client’s needs.”

Philip Duddell
Sustainable Procurement Limited

Would recommend them

We’ve worked with the team at Cala Sustain over the last few years. We’ve valued their expertise, plus their highly professional and ethical approach and would recommend them to any organisation seeking to develop a company-wide sustainability strategy.

Matt Roper
GREENBUYING

Second to None

We have collaborated successfully with the Cala Sustain team on a number of occasions. We have always found them to be knowledgeable, reliable, enthusiastic and very experienced. 

In Defence, their understanding of environmental and sustainability policy and standards is second to none. 

Marc Brule-Walker
Integrated Logistic Support Manager
Red Scientific

Always Add Value

The Cala Sustain team has been our trusted support service for all things “responsible business”. They are able to quickly understand and meet our challenges, understand our business and they always add unexpected value. 

The Cala Sustain team is trustworthy, reliable and knowledgeable. I can’t recommend them highly enough. 

Jerry Beeston
Facilities Manager
Nisbets Plc

We couldn’t have done it without you

I just wanted to thank you for all the support you gave us with the renewal of our Royal Warrant.

We all breathed a big sigh of relief when we found out that we had been successful, and we couldn’t have done it without you!

Kate Gough
General Manager
Mitre Linen

Great people to do business with

Mark’s knowledge and understanding of corporate sustainability issues is extensive. His ability to provide practical solutions to difficult problems through the application of analytical and lateral thinking makes him a great person to do business with. 

Phil Harding
MBE

In depth Knowledge

Mark has substantial knowledge and experience of environmental and sustainability management issues, an in-depth knowledge of the Ministry of Defence’s processes and procedures, and a sound knowledge of the wider defence industry. 

Tommy Mason
QINETIQ

Great Partner to work with

Cala Sustain have been a great partner to work with on Sustainable Procurement projects, including for the NHS, Defra and under a variety of Frameworks. They demonstrated a wealth of knowledge, experience, tenacity and a clear understanding and practical application of the client’s needs.”

Philip Duddell
Sustainable Procurement Limited

Would recommend them

We’ve worked with the team at Cala Sustain over the last few years. We’ve valued their expertise, plus their highly professional and ethical approach and would recommend them to any organisation seeking to develop a company-wide sustainability strategy.

Matt Roper
GREENBUYING

Find out how we can help

If you think we could be a good fit for your organisation or project get in touch.
Get in touch