Sustainability Insights Hub

Your go-to resource for the latest strategies, trends, and expert advice on driving sustainable business success

Freddie's Flowers - Fractional Sustainability Lead

Freddie’s Flowers, the subscription-based florist known for its eco-friendly ethos, needed expert guidance to refine their sustainability strategy and strengthen their environmental reporting. Lacking capacity for a full-time hire, they turned to Leafr to find a flexible expert who could lead their sustainability work end-to-end.

Freelance Sustainability Consultant vs. Big Firm Sustainability Consultant: What’s Right for Your Business?

Choosing between a freelance sustainability consultant vs. big firm sustainability consultant? This guide compares cost, expertise, and value for money. Showing why UK SMEs often get better results, faster delivery, and up to 70% savings by hiring vetted independent sustainability experts instead of traditional firms. Discover the pros and cons of each model and find the best fit for your business’s net-zero and ESG goals.

Sustainability Consultants vs In-House Teams: What’s Best?

In-house sustainability team or external consultant? Explore which option delivers the best value, flexibility, and impact for your ESG and carbon goals.

How to Hire a Sustainability Consultant

Looking to hire a sustainability consultant? This guide helps UK mid-sized businesses find the right expert for carbon reduction, compliance, and ESG strategy.

The Age of the sustainability consultant is over

“Sustainability consultant” used to mean something. Now it covers everything from carbon modelling to ESG reporting to packaging redesign and tells you nothing about expertise. Businesses don’t need vague titles. They need sharp-fit specialists who can deliver fast. It’s time we retired the catch-all label and got specific.

AI and sustainability - Can they really be friends?

Is it contradictory to use AI in sustainability work? Some think so. But that view is short-sighted. In this opinion piece, Leafr Co-Founder Gus Bartholomew makes the case for why AI isn’t the enemy of sustainability, it’s one of the most powerful tools we have to accelerate it. From energy grid optimisation to carbon accounting and supply chain transparency, AI is already driving progress where it matters most

Gus Bartholomew

Jul 4, 2025

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Sustainability Insights Hub

Freddie's Flowers - Fractional Sustainability Lead

Freelance Sustainability Consultant vs. Big Firm Sustainability Consultant: What’s Right for Your Business?

Sustainability Consultants vs In-House Teams: What’s Best?

How to Hire a Sustainability Consultant

The Age of the sustainability consultant is over

AI and sustainability - Can they really be friends?

Consultants like these don't grow on trees