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Gus Bartholomew

Gus Bartholomew is the Co-Founder of Leafr, a leading marketplace connecting businesses with top-tier freelance sustainability specialists.

Leafr empowers companies to tackle pressing sustainability initiatives by providing immediate access to expert talent.

Before launching Leafr, Gus co-founded SupplyCompass, a B2B SaaS platform that streamlined fashion supply chains, promoting sustainable practices. He spend 5 years on the ground in India and Asia building sustainable supply chains for fashion and homeware brands.

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Insights

Corporate Governance and Social Responsibility: A Business Imperative

Corporate governance and social responsibility are two interconnected pillars that shape how businesses operate ethically and sustainably. In today’s business landscape, organisations are under increasing pressure to integrate responsible governance practices with sustainable and ethical operations. This not only benefits society but also enhances brand reputation, investor confidence, and long-term profitability.

How to Build a Sustainability Strategy That Works

Companies are increasingly under pressure from consumers, investors, and regulators to reduce their environmental impact and operate more sustainably. But how do you build a sustainability strategy that’s both practical and impactful? In this guide, we’ll walk through the key steps to developing a strategy that makes a real difference.We’ll walk through the key steps to developing a strategy that makes a real difference.

Why Your Business Needs a Carbon Consultant

As sustainability becomes a critical focus for businesses worldwide, a carbon consultant plays a key role in helping organisations reduce their environmental impact. These experts provide guidance on carbon accounting, emissions reduction strategies, and regulatory compliance, ensuring companies align with sustainability goals while maintaining operational efficiency.

4 Pathways to Net Zero

Businesses can choose different strategic pathways to reach net zero. Below we analyze four scenarios – Reduce Early, Slow and Steady, the Carbon Cliff, and No Action – outlining their characteristics, business implications, challenges, cumulative emissions impact, real-world examples, and policy recommendations.

What’s the Difference between Carbon Credits and Carbon Offsets?

At their core, both carbon credits and carbon offsets serve as accounting mechanisms to help balance our collective carbon emissions. However, while people often use the terms interchangeably, “carbon credits” and “carbon offsets” have some important differences.

Life Cycle Assessments - Your guide to LCAs

Life Cycle Assessment (LCA) provides a systematic way to measure environmental impact from raw material extraction to disposal, guiding sustainable business decisions. Advances in AI, data analytics, and regionalised approaches enhance LCA’s accuracy, helping industries reduce their footprint and stay competitive.

How to Choose the Right Sustainability Consultant - A Practical Guide

Finding the right sustainability consultant isn’t just about ticking a box. It’s about making real progress. Whether you’re dealing with complex regulations, slashing emissions, or tightening up ESG reporting, the right expert can save you time, money, and headaches. But with so many options out there, how do you pick the best one for your business? This guide breaks down the key steps—from defining your needs to assessing expertise—so you can find a consultant who delivers real impact.

Energy Saving Trust – All You Need to Know in 2025

The Energy Saving Trust (EST) is a leading UK charity promoting energy efficiency, renewable energy, and sustainable living. In 2025, its role is crucial, helping households, businesses, and communities save energy, reduce costs, and combat climate change effectively.

Renewable Energy Consultant – Complete Hiring Guide

Renewable energy consultants guide businesses in adopting green energy solutions, reducing carbon footprints, and achieving sustainability goals. From audits to eco-friendly strategies, they ensure regulatory compliance, cost savings, and enhanced brand image while contributing to a sustainable future.

The Maths of Net Zero - Why 2025 is an important year

Hitting Net Zero by 2050 means slashing global emissions by at least 80%—an enormous task. But breaking it down makes it manageable: 80% over 25 years equals just 3.2% per year. For businesses, 2025 is the year to start turning ambition into action.

Xynteo Case Study

Xynteo, a leading sustainability advisory firm committed to planet-positive growth, needed expert research support on short notice. With a pressing need to deliver comprehensive insights into the European heating crisis, Xynteo turned to Leafr for on-demand expertise that aligned with their sustainability values and commitment to high-quality analysis.

WD40 Case Study

WD40, a household name in DIY, needed to understand, report, and reduce their carbon emissions—but lacked in-house expertise to get started. They turned to Leafr to map their requirements, connect with qualified consultants, and find a reliable carbon accounting tool that would set them up for long-term success.

The Sustainable Development Goals (SDGs) - What are they?

The Sustainable Development Goals (SDGs) are 17 global objectives set by the United Nations to address issues like poverty, inequality, climate change, and promote sustainable development by 2030.

The Freelance Revolution: How Software Development’s Success Could Shape Sustainability

The freelance model, proven successful in software development, could play a crucial role in driving sustainability innovation and meeting industry challenges like net zero and ESG compliance.

Gus Bartholomew

February 4, 2025

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