We have an established network of service providers. We are able to build bespoke teams for individual client requirements, managed and co-ordinated by Challenge Sustainability.
Sustentra is an AI workspace for sustainability assurance that helps auditors and consultants reduce grunt work and focus on judgment. It parses and reconciles company claims and KPIs, streamlines gap analysis, policy and regulation lookups, XBRL tagging, and risk planning—so teams move faster while maintaining a consistent, reviewable engagement file, strengthening control over execution and scales capacity without sacrificing quality.
Sustainability Unlocked is the world’s first video education platform focused solely on sustainability and ESG for business professionals. It offers over 80 interactive sustainability and ESG courses, and 400 video modules. Videos are presented by experts including Nobel Prize laureate and IPCC report lead author Kevin Trenberth, Liz Bentley; Chief Executive at the Royal Meteorological Society, and Mark Carney; former Governor of the Bank of England and UN Special Envoy on Climate Action and Finance.
Sancroft - a leading provider of sustainability advisory services, with expertise including sustainability strategy, responsible sourcing, and ESG integration
Twenty Fifty – advisors on leadership and organisational development, stakeholder engagement and human rights
AB – creative digital design agency, experts in sustainability report design and digital communications