Sustridge is a corporate sustainability and carbon advisory firm helping companies move from voluntary reporting to defensible, regulator-ready systems.

 

Our core focus areas

 
Sustainability Strategy Icon

Audit-Ready GHG Inventories and Assurance Preparation

Sustainability Reporting Icon

Double Materiality and ESG Reporting

Greenhouse Gas Emissions Icon

Science-Based Targets and Decarbonization Strategy

 

When sustainability reporting becomes regulated, investor-facing, or assured, systems must mature.

We build those systems.


Our Core Specialization

Audit-Ready GHG Inventory and Carbon Assurance

Most emissions inventories calculate totals. We build defensible systems aligned with GHG Protocol, ISO 14064, and assurance expectations.

If your company is preparing for limited assurance, reasonable assurance, CSRD, or state climate disclosure, your carbon reporting must withstand scrutiny.

Learn more about Audit-Ready GHG Inventory and Carbon Assurance servives here.


Broader Sustainability Advisory

Carbon reporting does not operate in isolation.

We also support:

  • Double materiality assessments

  • ESG and sustainability reporting

  • Science-based target setting

  • Decarbonization planning

  • Sustainability strategy development

  • Zero waste planning and certification

Sustainability maturity requires governance, data integrity, and strategic alignment.

Learn more about Sustainability and ESG Advisory here.


Trusted by Industry Leaders

 

Meet Josh Prigge

Founder & Principal Consultant, Sustridge

Josh Prigge is a sustainability and ESG consultant with more than 15 years of experience helping companies build robust sustainability strategies, audit-ready GHG emissions inventories, and high-performance ESG programs. His work spans corporate strategy, climate targets, Scope 3 methodologies, zero waste programs, and reporting aligned with the most-used ESG an sustainability reporting frameworks.

Josh has worked with organizations of all sizes, from fast-growing tech firms to global Fortune 500 brands. He blends deep technical expertise with practical business insight, giving clients clarity, structure, and confidence in their sustainability data and decisions.

Over the course of his career, Josh has led end-to-end greenhouse gas inventory development across multiple industries, supported science-based target setting and decarbonization planning, end-to-end sustainability report development and guided companies through materiality assessments and evolving regulatory requirements.

He is known for translating complex sustainability standards, including the GHG Protocol, ISO 14064, and emerging climate disclosure rules, into practical systems that withstand assurance and executive scrutiny. By combining technical rigor with a strong understanding of finance, operations, and risk, Josh helps leadership teams move beyond reporting for optics and toward sustainability programs that are defensible, measurable, and strategically aligned with long-term business performance.


Free Resources for Sustainability and ESG Teams

Free GHG Emissions Calculator - Developed by Josh Prigge

Sustainable Nation Podcast - Hosted by Josh Prigge


Sustainability and ESG News from the blog

 

Schedule a consultation to discuss carbon readiness or broader ESG strategy needs.