» Resources » The fundamentals of ISO 20400 explained Blog The fundamentals of ISO 20400 explained When you read the ISO 20400 standard, one of the foundation clauses which is very important to helping you achieve your sustainability outcomes is Clause 4 – The Fundamentals. Before you start on your sustainability journey, there are some key principles that you need to align with, and ensure that you are flowing down to your supply chain: Accountability – being accountable for negative impacts on the triple bottom line – social, economic, and environmental sustainability. Transparency – being transparent about your procurement decisions that may negatively affect the triple bottom line. Ethical behaviour – in your organisation and especially the procurement process. Full and fair opportunity – within your tendering process, emphasis on encouraging diversity within the supply chain. Respect for stakeholder interests – both internal and external stakeholders. Respect for the rule of law and international norms of behaviour – where legislation applies for e.g., modern slavery, waste management, carbon reduction. Respect for human rights – respecting internationally recognised human rights. Innovative solutions – sustainable solutions by their very nature are innovative solutions. Ensure you include for innovation to be part of the tendering process. Focus on need – challenge the business need/requirement for economies of scale, sustainable alternatives. Integration – of your sustainability criteria, your identified risks, and opportunities throughout the procurement process. Analysis of all costs – incurred over the life cycle and whole life costing is considered. Continual improvement – working towards continually improving your sustainability performance as an organisation and within your supply chains Can your organisation demonstrate that it upholds these principles and ensures that its supply chains do the same? Go-Ahead say that they operate with the ISO 20400:2017 standard on sustainable procurement, which includes accountability, transparency, respect for human rights and ethical behaviour. They ensure that their suppliers are upholding the same values. How are they doing it? Click here to gain some insights into this and read our case study with Go-Ahead Group. Sustainable Procurement is not as daunting if you understand from the outset some of the secrets to success. Our Director Shaun McCarthy lays out the Ten Commandments of Sustainable Procurement to ensure you don’t stumble on your journey. Speak to our sustainable procurement specialists in a free discovery call to futureproof your supply chain and meet your ESG goals. Mellita D'Silva Mar 23, 2023 Share: Related Articles October 2026 Blog Carbon reduction is hard: how we decoupled our emissions from our growth James Cadman October 2026 Blog Carbon reduction is hard: how we decoupled our emissions from our growth Our revenue is up 150% since 2019, but our emissions are up just 24%. Here’s what we’ve learned about growing without growing our footprint at the same rate. James Cadman October 2026 Blog How to build a sustainable procurement strategy that works Mellita D'Silva October 2026 Blog How to build a sustainable procurement strategy that works A practical guide to building a sustainable procurement strategy, from identifying material priorities and setting objectives to engaging suppliers and measuring progress Organisations are setting increasingly ambitious goals around carbon, social value, responsible sourcing, human rights and other sustainability issues. But setting an organisational target is one thing. Working out what it means for procurement […] angelfish October 2026 Blog How to develop a sustainable procurement policy Mellita D'Silva October 2026 Blog How to develop a sustainable procurement policy A practical guide to creating a sustainable procurement policy that turns sustainability commitments into clear procurement priorities, supplier expectations and measurable action. A sustainable procurement policy should do more than set out good intentions. It should help people make better procurement decisions. A strong sustainable procurement policy connects organisational sustainability commitments with decisions about what […] Harriet Downes