Your ON-DEMAND SUSTAINABILITY TEAM

Sustainability is 50 specialisms. But most teams are 1 or 2 people

Leafr is a vetted network of 1,000+ senior sustainability specialists. Bring in the exact expertise you need, as and when you need it. So your team of two can deliver like a team of fifty.

It’s free to post and see consultants. No commitment until you hire.

Trusted by teams at:

A BETTER WAY TO DELIVER

Keep a lean core team. Bring in specialists to execute.

Your team can focus on strategy, stakeholder management, and driving the agenda, not trying to be an expert in everything. Leafr specialists plug into your team with whatever skills you need in the moment.

What's on your desk right now?

Whatever the specialism. Hire someone who's done it before

Every engagement matched to the exact seniority, sector knowledge and framework expertise your project needs.

01

CSRD & Double materiality

EU regulation readiness on a deadline

02

Carbon measurement & reduction

From baseline to validated targets

03

Climate risk & transition planning

Strategy that satisfies investors and regulators

04

LCA & Product footprinting

Credible environmental claims at product level

05

Nature, Biodiversity & TNFD

From compliance to nature-positive strategy

06

Supply chain & Due diligence

Visibility, compliance and supplier transformation

07

Fractional sustainability leadership

Senior capacity when you need it most

Strategy Expertise

Our strategic approach combines data-driven insights with creative problem-solving to deliver exceptional results.

Business Strategy

Comprehensive business strategies that align with your goals and drive sustainable growth.

Digital Transformation

Transform your business operations through innovative digital solutions and technology adoption.

GHG Protocol

Scope 1

Scope 2

Scope 3

SBTi

SBTi Net-Zero

FLAG

CDP

ISO 14064

Carbon accounting

Hotspot analysis

Reduction roadmaps

Supplier emissions

Net zero

Carbon Measurement & Reduction

Whether you're building your first GHG inventory or preparing a CDP A-list submission, accurate carbon data underpins everything. Our consultants deliver Scope 1, 2 and 3 baselines, identify emissions hotspots, set and validate SBTi targets, and build the reduction roadmaps that turn commitments into progress.

Baseline Assessment

Detailed carbon footprint analysis across Scope 1, 2, and 3 emissions.

Reduction Roadmap

Strategic pathways to achieve validated science-based targets.

CFD

TPT

ISSB S2

ISSB S1

Climate transition plans

Scenario analysis

Physical risk

Transition risk

Energy transition

Decarbonisation strategy

Internal carbon pricing

Investor readiness

Climate Risk & Transition Planning

Investors, regulators and lenders want to see how your business performs under climate scenarios — and what you're doing about it. We place specialists who build TCFD-aligned disclosures, quantify physical and transition risks, design governance structures, and deliver credible transition plans that stand up to scrutiny.

Risk Assessment

Comprehensive climate risk analysis using scenario modeling and stress testing.

Transition Strategy

Strategic planning to align with climate scenarios and regulatory requirements.

ISO 14040/44

PEF

EPD

Product carbon footprint

Comparative LCA

Ecodesign

Green claims

Circular economy

Packaging assessment

LCA & Product Footprinting

Product-level claims need product-level evidence. Our consultants run full life cycle assessments using PEF and ISO 14040 methodologies, deliver comparative analyses, substantiate green claims before they go to market, and develop EPDs — giving you defensible data at SKU level.

Life Cycle Assessment

Detailed environmental impact analysis across product life cycles.

Product Claims

Validating environmental claims with robust data and methodologies.

TNFD

TNFD LEAP

SBTN

CSRD E4

GBF

Biodiversity net gain

Nature risk

Dependencies mapping

Ecosystem services

Deforestation

Nature, Biodiversity & TNFD

Nature risk is moving from voluntary to regulated, and most companies don't yet know where to start. We match you with specialists who run TNFD LEAP assessments, screen dependencies and impacts, set SBTN targets, and build nature-positive strategies that go beyond compliance.

Biodiversity Impact

Assessment of nature-related impacts and dependencies.

TNFD Preparedness

Readiness for nature-related financial disclosures.

CSDDD

OECD Guidelines

UNGPs

Supplier engagement

Scope 3 supplier data

Traceability

Responsible sourcing

Human rights due diligence

Risk management

Supply Chain & Due Diligence

The CSDDD means supply chain risk is now a board-level issue. Our consultants design due diligence systems, run supplier engagement programmes, build traceability from raw material to final product, and collect the Scope 3 supplier data your reporting requires.

Supplier Assessment

Comprehensive evaluation of supplier sustainability practices.

Due Diligence

Regulatory compliance and supply chain transformation.

Fractional CSO

Sustainability Strategy

Project leadership

Board advisory

Team build-out

Change management

Stakeholder engagement

Strategy development

Fractional Sustainability Leadership

Sometimes the gap isn't knowledge — it's capacity. We place fractional CSOs, sustainability directors and senior project leads who embed in your team, own delivery, build internal capability, and keep momentum through transitions, restructures or peak reporting periods.

CSRD & Double materiality

EU regulation readiness on a deadline

CSRD

ESRS

Double materiality

SFDR

EU Taxonomy

GRI

EcoVadis

B Corp

ESG reporting

ESG governance

Data gaps

Assurance readiness

Companies in scope need to move from zero to audit-ready disclosure, often without internal capacity or ESRS expertise. We match you with consultants who run end-to-end double materiality assessments, build your reporting architecture, close data gaps across the value chain, and prepare you for limited assurance — so your first filing isn't your first guess

Emma

Guided 20+ organisations through CSRD, ESRS, and CSDDD compliance as part of WWF's private sector advisory team

Scope 3

SBTi

CDP

TCFD

Delivered technical obligation mapping across CSRD, draft ESRS, and CSDDD→ Benchmarked French companies' ESG disclosures for sectoral analysis→ Integrated SBTi targets into reporting frameworks alongside WWF's climate team

Nick

Built GRI, SDG, and IFRS S1/S2-aligned reporting across governance, strategy, risk, and metrics

GRI

IFRS

SDGs

ESG Governance

Designed reporting strategy covering GRI Standards and SDG alignment→ Developed IFRS S1/S2 readiness plan across all four disclosure pillars
Get matched to the right specialist for your sector and project
Share a brief and we'll match you based on your sector, size, and specific requirements

Carbon measurement & reduction

From baseline to validated targets

GHG Protocol

Scope 1

Scope 2

Scope 3

SBTi

SBTi Net-Zero

FLAG

CDP

ISO 14064

Carbon accounting

Hotspot analysis

Reduction roadmaps

Supplier emissions

Net zero

Whether you're building your first GHG inventory or preparing a CDP A-list submission, accurate carbon data underpins everything. Our consultants deliver Scope 1, 2 and 3 baselines, identify emissions hotspots, set and validate SBTi targets, and build the reduction roadmaps that turn commitments into progress.

Emma

Guided 20+ organisations through CSRD, ESRS, and CSDDD compliance as part of WWF's private sector advisory team

Scope 3

SBTi

CDP

TCFD

Delivered technical obligation mapping across CSRD, draft ESRS, and CSDDD→ Benchmarked French companies' ESG disclosures for sectoral analysis→ Integrated SBTi targets into reporting frameworks alongside WWF's climate team

Nick

Built GRI, SDG, and IFRS S1/S2-aligned reporting across governance, strategy, risk, and metrics

GRI

IFRS

SDGs

ESG Governance

Designed reporting strategy covering GRI Standards and SDG alignment→ Developed IFRS S1/S2 readiness plan across all four disclosure pillars
Get matched to the right specialist for your sector and project
Share a brief and we'll match you based on your sector, size, and specific requirements

Climate risk & Transition planning

Strategy that satisfies investors and regulators

CFD

TPT

ISSB S2

ISSB S1

Climate transition plans

Scenario analysis

Physical risk

Transition risk

Energy transition

Decarbonisation strategy

Internal carbon pricing

Investor readiness

Investors, regulators and lenders want to see how your business performs under climate scenarios — and what you're doing about it. We place specialists who build TCFD-aligned disclosures, quantify physical and transition risks, design governance structures, and deliver credible transition plans that stand up to scrutiny.

Emma

Guided 20+ organisations through CSRD, ESRS, and CSDDD compliance as part of WWF's private sector advisory team

Scope 3

SBTi

CDP

TCFD

Delivered technical obligation mapping across CSRD, draft ESRS, and CSDDD→ Benchmarked French companies' ESG disclosures for sectoral analysis→ Integrated SBTi targets into reporting frameworks alongside WWF's climate team

Nick

Built GRI, SDG, and IFRS S1/S2-aligned reporting across governance, strategy, risk, and metrics

GRI

IFRS

SDGs

ESG Governance

Designed reporting strategy covering GRI Standards and SDG alignment→ Developed IFRS S1/S2 readiness plan across all four disclosure pillars
Get matched to the right specialist for your sector and project
Share a brief and we'll match you based on your sector, size, and specific requirements

LCA & Product footprinting

Credible environmental claims at product level

ISO 14040/44

PEF

EPD

Product carbon footprint

Comparative LCA

Ecodesign

Green claims

Circular economy

Packaging assessment

Product-level claims need product-level evidence. Our consultants run full life cycle assessments using PEF and ISO 14040 methodologies, deliver comparative analyses, substantiate green claims before they go to market, and develop EPDs — giving you defensible data at SKU level.

Emma

Guided 20+ organisations through CSRD, ESRS, and CSDDD compliance as part of WWF's private sector advisory team

Scope 3

SBTi

CDP

TCFD

Delivered technical obligation mapping across CSRD, draft ESRS, and CSDDD→ Benchmarked French companies' ESG disclosures for sectoral analysis→ Integrated SBTi targets into reporting frameworks alongside WWF's climate team

Nick

Built GRI, SDG, and IFRS S1/S2-aligned reporting across governance, strategy, risk, and metrics

GRI

IFRS

SDGs

ESG Governance

Designed reporting strategy covering GRI Standards and SDG alignment→ Developed IFRS S1/S2 readiness plan across all four disclosure pillars
Get matched to the right specialist for your sector and project
Share a brief and we'll match you based on your sector, size, and specific requirements

Nature, Biodiversity & TNFD

From compliance to nature-positive strategy

TNFD

TNFD LEAP

SBTN

CSRD E4

GBF

Biodiversity net gain

Nature risk

Dependencies mapping

Ecosystem services

Deforestation

Nature risk is moving from voluntary to regulated, and most companies don't yet know where to start. We match you with specialists who run TNFD LEAP assessments, screen dependencies and impacts, set SBTN targets, and build nature-positive strategies that go beyond compliance.

Emma

Guided 20+ organisations through CSRD, ESRS, and CSDDD compliance as part of WWF's private sector advisory team

Scope 3

SBTi

CDP

TCFD

Delivered technical obligation mapping across CSRD, draft ESRS, and CSDDD→ Benchmarked French companies' ESG disclosures for sectoral analysis→ Integrated SBTi targets into reporting frameworks alongside WWF's climate team

Nick

Built GRI, SDG, and IFRS S1/S2-aligned reporting across governance, strategy, risk, and metrics

GRI

IFRS

SDGs

ESG Governance

Designed reporting strategy covering GRI Standards and SDG alignment→ Developed IFRS S1/S2 readiness plan across all four disclosure pillars
Get matched to the right specialist for your sector and project
Share a brief and we'll match you based on your sector, size, and specific requirements

Supply chain & Due diligence

Visibility, compliance and supplier transformation

CSDDD

OECD Guidelines

UNGPs

Supplier engagement

Scope 3 supplier data

Traceability

Responsible sourcing

Human rights due diligence

Risk management

The CSDDD means supply chain risk is now a board-level issue. Our consultants design due diligence systems, run supplier engagement programmes, build traceability from raw material to final product, and collect the Scope 3 supplier data your reporting requires.

Fractional Sustainability Leadership

Senior capacity when you need it most

Fractional CSO

Sustainability Strategy

Project leadership

Board advisory

Team build-out

Change management

Stakeholder engagement

Strategy development

Sometimes the gap isn't knowledge — it's capacity. We place fractional CSOs, sustainability directors and senior project leads who embed in your team, own delivery, build internal capability, and keep momentum through transitions, restructures or peak reporting periods.

HOW IT WORKS

You know the problem. We have the person who's solved it before

Share your brief, find the right consultant and start work in as little as 48 hours.

Step 01

Share your brief

Describe the project — what you need, when, and any sector or framework requirements. Dont't worry about having something polished, we will help you build it out.

Define the scope

Step 02

Get matched

Within 48 hours, we'll deliver a shortlist of 3-5 specialists who’ve done exactly this work before, in your sector. You review profiles, interview who you want and choose who fits best.

Custom-picked for your needs

Step 03

They plug into your team

Your specialist starts work alongside you. We handle contracts, invoicing, and quality throughout. You get the capacity and expertise you need, for exactly as long as you need it.

Leafr manages the back of house

Step 04

Zero risk, total flexibility

You're in control. Every engagement starts with a risk-free trial period. If the fit isn't right, we'll replace your specialist immediately. And if the project grows, extending can be done in 3 clicks.

Risk free trial

Post your project brief

It's free to post and see consultants. No commitment until you hire.

EXAmple Projects

100s of projects delivered

Expertise
Pricing model

Share your brief, find the right consultant and start work in as little as 48 hours.

You shouldn't have to be an expert in everything.
You just need access to experts in anything.

Tell us what you're working on. We'll match you with the specialist who's done it before — within 48 hours.

Here's what our customers have to say

Hear from teams who stopped trying to cover every specialism alone

I am very grateful to you and the Leafr team for the super impressive professional approach - genuinely top-notch talent and very refreshing to see this quick progression - thank you. You’ve built something good!

Dinu Popa
Head of Compliance
at
Telf

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

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