Trusted by 100s of brands

Here’s what our customers say

Hear how our vetted sustainability consultants have driven meaningful change for our clients

Leafr is a great solution for finding professional sustainability specialists. Especially convenient if time is short and you need to find a consultant very fast.

Anastasiya Popova
Chief BD Officer
at
Solskin

Good communication, flexible schedule and delivered exactly what was agreed and on time. Would work with her again!

Alexander Pfeiffer
CEO
at
Terralytiq

Tom helped us with calculating our carbon footprint outputs from 2019 to 2023. He managed everything end to end with minimal client direction. It was seamless and effortless. He's an excellent professional.

Bolu
COO
at
Miai

The support's been great from when we first started speaking, you wrote the brief for me and did all the sourcing. So that was fantastic. Communication has been great. The level of engagement has been brilliant.

Nick Anderdon
CFO
at
Freddies Flowers

‍Working with Leafr has been a pleasure from the beginning. Leafr has a wide network of talented individuals, and they have been able to seamlessly connect us with strong candidates for our various projects.

Lara
Partner
at
Xynteo

Leafr's marketplace boasts an extensive network of highly talented individuals. They have effortlessly connected us with great candidates. Leafr has become our go-to for skilled sustainability professionals.

Brenan Hodkinson
CRO
at
Apiday

Whenever you hire consultants you worry whether they'll be as motivated or skilled as your team. Every Leafr consultant has been so impressive. We spoke to several sustainability agencies and this has been far better value.

Guadalupe Oliver
CEO
at
Candoe

Our expert immediately became a seamless addition to our team. Her work showed a mastery of ESG and a strong understanding of the financial sector. We'd love the opportunity to work with her again.

Jess Katz
Director
at
TRIPTIK

Our results

Using independent sustainability consultants with Leafr just makes sense

3x

More cost effective

Clients report significant savings compared to alternative hiring approaches

Lower Risks
48 hrs

Hiring time

We will find you the best person for the role in record time

High Project
100%

Trial to hire rate

We offer a risk-free trial period on every project. Not satisfied? Find someone else for free

Our consultants have delivered for the best across industries

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Non Profit
The Ocean Cleanup
Non Profit
ShareAction
Non Profit
Richmond Vale
Consumer Goods
OceanSaver
Non Profit
Mediterranean Alliance for Wetlands
Non Profit
Mastercard Foundation
Non Profit
Impact Hub
Non Profit
Good Law Project
Non Profit
fossil-free.ch
Non Profit
Friends of the Earth
Government & Public Sector
European Climate Pact
Non Profit
Climate Clock
Non Profit
Corporación Acción Verde
Non Profit
High Seas Alliance
Non Profit
Environmental Law Foundation
Media
The Times
Media
Wunderman Thompson
Media
Wieden+Kennedy
Media
Tate Galleries
Media
Royal Shakespeare Company
Media
New York Times
Media
Nasdaq
Media
Latitude Media
Media
Morningstar
Media
Marble LDN
Media
GreenBiz
Media
Cannes Lions
Media
Discovery Channel
Media
Bloomberg
Manufacturing & Industrial
Seagate
Media
Grupo Ferré Rangel
Manufacturing & Industrial
Solvay
Manufacturing & Industrial
Smurfit Kappa
Manufacturing & Industrial
Schneider Electric
Manufacturing & Industrial
Mitsubishi Chemicals
Manufacturing & Industrial
Interface
Manufacturing & Industrial
LyondellBasel
Manufacturing & Industrial
Irish Manufacturing Research
Manufacturing & Industrial
GM
Manufacturing & Industrial
Covestro
Manufacturing & Industrial
Clariant
Manufacturing & Industrial
BASF
Manufacturing & Industrial
ALLTEC
Manufacturing & Industrial
Bridgestone
Transportation
Toyota Material Handling Europe
Healthcare & Pharmaceuticals
Novartis
Government & Public Sector
Oxfordshire County Council
Healthcare & Pharmaceuticals
CDC
Government & Public Sector
United Nations
Government & Public Sector
National Oceanic and Atmospheric Administration (NOAA)
Government & Public Sector
NASA
Government & Public Sector
Massachusetts State Environmental Agency
Government & Public Sector
Greater London Authorities
Government & Public Sector
International Renewable Energy Agency (IRENA)
Government & Public Sector
Green Party of England & Wales
Education
Humber
Government & Public Sector
Green Party in Ireland
Government & Public Sector
Home Office
Government & Public Sector
Commonwealth and Development Office
Government & Public Sector
European Space Agency
Government & Public Sector
US Environmental Protection Agency (EPA)
Government & Public Sector
Canada Climate Law Initiative
Government & Public Sector
ADEME
Government & Public Sector
Bath & North East Somerset Council
Government & Public Sector
UN Climate Change team
Government & Public Sector
National Highways
Government & Public Sector
CERN
Government & Public Sector
European Research Council
Food and Beverage
Sodexo
Food and Beverage
Simpsons Malt
Food and Beverage
Namib Mills
Food and Beverage
Sainsburys
Food and Beverage
Red Bull
Food and Beverage
Oatly
Food and Beverage
Nestle
Food and Beverage
Intercontinental Hotels Group
Food and Beverage
General Mills
Food and Beverage
Coca-Cola
Food and Beverage
SAVENCIA
Food and Beverage
Carrefour
Consumer Goods
Mentos
Fashion and Retail
Burberry
FMCG
P&G
FMCG
Mondelez
Fashion and Retail
Pour Moi
Fashion and Retail
Levi's
Fashion and Retail
Kohls
Fashion and Retail
Chanel
Fashion and Retail
Kering
Fashion and Retail
Bam Clothing
Fashion and Retail
Adidas
Energy & Utilities
Takachar
Energy & Utilities
Santos
Energy & Utilities
SES Water
Energy & Utilities
Hess Corporation
Energy & Utilities
Orange and Rockland Utilities Inc.
Energy & Utilities
Oil Search
Energy & Utilities
NextEra Energy Resources
Energy & Utilities
Hydrogen Ontario
Energy & Utilities
INENSUS GmbH
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How it works

Go from search to hire in as little as 48 hrs.

Project

1. Create project

Post your job description or work with us to write one on your behalf

Talent

2. See the best profiles

No more sifting through 100s of CVs. See a shortlist of the best 3-5 consultants within hours.

Interview

3. Interview & start project

Hire your favourite candidate and start working. There is a risk-free trial period on each project.

Do you need to align with a specific framework or regulation?

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Our vetting process

Each applicant must pass our stringent vetting process before working with clients. Only those meeting our high standards are accepted. We test for behavioural competency, technical skills,  sustainability experience, and culture fit.

20% pass rate

In-depth skill review

Each consultant submits a written application along with case studies of their work. This ensures they have the specialised technical skills to tackle your sustainability challenges.

12% pass rate

Live screening

We interview each candidate for behavioural and technical skills, and test against our detailed  sustainability skillset matrix. We also ask for references and testimonials.

3% pass rate

Test projects & peer review

With the help of our experts, we review past projects to verify the consultant’s ability to deliver impactful sustainability outcomes.