51toCarbonZero Ranked #21 in TechRound 100 2025

We’re proud to announce that 51toCarbonZero has been ranked in the top quartile in the TechRound 100, a list that highlights the most innovative and impactful startups across the UK and Europe. This recognition places us as the number 1 climate tech company, with the judges recognising not just our growth but our real world impact on emissions as they impact on climate change.

What is the TechRound 100?

TechRound 100 is an annual ranking of the UK and Europe’s most promising startups. It spans multiple sectors, including tech, AI, health, finance and sustainability. TechRound’s judges focus on real-world impact, innovation and growth potential. Being listed at #21 shows that 51toCarbonZero is helping businesses tackle climate change with practical, scalable solutions.

Why We Were Chosen

At 51toCarbonZero, we provide a carbon reporting and sustainability automation platform that simplifies emissions tracking, improves data quality and supports action planning. Our platform includes:

Automated data collection via 3,000+ integrations (SAP, Oracle, Concur etc.)
AI-powered emissions calculations aligned to GHG Protocol
Compliance-ready reports for SECR, CDP, CSRD and more
Custom dashboards for stakeholder engagement
Access to ISO-certified Climate Success Managers for expert support

We also help clients engage suppliers, track progress over time and identify opportunities for cost savings and carbon reduction.

Real Impact Across Industries

Our clients range from global media groups to logistics firms.

Examples of impact:

Storio Group completed carbon footprints in 14 markets in under 6 weeks
Renault Trucks UK reduced external consultancy costs by 30%
Clients report an average of 42% in resource savings, thanks to automation and expert guidance
Many other customer success stories here

What’s Next?

We’re scaling up our Climate Unlimited™ model to support more organisations across Europe, North America and beyond. Whether you’re just starting your carbon journey or looking to embed sustainability into operations, we’re here to help.

We believe the future belongs to businesses that take climate action seriously and we’re proud to be building the tools to make that possible.