Sustridge is a corporate sustainability and carbon advisory firm helping companies move from voluntary reporting to defensible, regulator-ready systems.
Our core focus areas
Audit-Ready GHG Inventories and Assurance Preparation
Double Materiality and ESG Reporting
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.
Leveraging the expertise of sustainable supply chain consultants can streamline operations, reduce waste, and contribute to global efforts in combating climate change. This approach is not just about being eco-friendly—it's about long-term survival, profitability, and corporate responsibility in a rapidly changing world.