Procurement Basics for Beginners

A plain-English introduction to public procurement in the UK — what it is, why the rules exist, and how the buying process works from identifying a need to awarding a contract.

Procurementbeginner10 min read·Updated 10 April 2026

What Is Procurement?

Procurement is the process organisations use to buy goods, services, or works. In everyday language: it's how organisations spend their money on things they need. In the private sector, this can be relatively informal — a business can buy from whoever it chooses. In the public sector, it's a heavily regulated process with specific legal rules designed to ensure taxpayers get value for money and that all suppliers are treated fairly.

Public procurement in the UK covers an enormous range of spending. From office stationery to hospital equipment, from IT systems to road building, from cleaning services to policy consultancy — if a public body needs to buy something above a certain value, procurement rules apply. The UK public sector spends around £300 billion per year on procurement, making it one of the largest areas of public expenditure.

Understanding procurement matters whether you work inside a public body (where you need to follow the rules when buying) or outside one (where you may want to sell to the public sector as a supplier). This guide focuses on the fundamentals that apply in both contexts.

Why Do Procurement Rules Exist?

Public procurement rules exist for three core reasons: fairness, value for money, and transparency. Without rules, public bodies could award contracts to friends, family, or politically favoured suppliers — a form of corruption that wastes public money and undermines trust in institutions. Rules require that contracts are advertised openly and that decisions are made on objective criteria, not personal relationships.

The rules also help ensure that public money is spent well. Competitive tendering — where multiple suppliers submit bids — creates market pressure that tends to drive down prices and improve quality. Standardised evaluation criteria make it harder to accept an inferior or overpriced bid simply because it came from a known supplier.

Finally, transparency requirements mean that procurement decisions can be scrutinised. In the UK, details of public contracts above certain values must be published, and losing bidders have the right to understand why they were unsuccessful. This accountability is fundamental to public trust in how government at all levels spends money.

The Procurement Act 2023: What Changed

The UK's procurement regime was fundamentally reformed by the Procurement Act 2023, which came into force for new procurements from February 2025. This replaced a patchwork of regulations that had grown up from EU directives — the Public Contracts Regulations 2015, the Utilities Contracts Regulations 2016, and others — with a single, consolidated framework.

Key changes under the new Act include: a single set of rules covering most public procurement (rather than different rules for different types of authority); new competitive flexible procedure allowing more tailored approaches rather than rigid prescribed procedures; strengthened obligations to publish contract and supplier information through a new central digital platform; new provisions around supplier debarment for poor performance or integrity breaches; and an increased focus on social value and the needs of small and medium enterprises (SMEs).

For beginners, the most important practical point is that the Procurement Act 2023 is now the primary legal framework governing how UK public bodies buy goods and services above threshold values. Familiarity with its key principles — value for money, integrity, transparency, fair treatment — is the foundation for understanding public procurement.

Thresholds, Procedures, and Key Terms

Not all public buying is subject to the full procurement rules. Below certain financial thresholds, public bodies have more flexibility (though internal policies often still apply). Above the thresholds, formal competitive procurement processes are required. Under the Procurement Act 2023, the main thresholds (subject to periodic revision) are broadly: around £213,000 for goods and services contracts for central government bodies, and around £5.3 million for works contracts.

Key terms you'll encounter include: ITT (Invitation to Tender) — the formal document inviting suppliers to bid; PQQ or SQ (Pre-Qualification Questionnaire or Selection Questionnaire) — the form used to assess whether a supplier meets the minimum requirements to bid; MEAT (Most Economically Advantageous Tender) — the evaluation approach that considers quality, not just price; and standstill period — the mandatory pause between notifying suppliers of the decision and signing the contract, during which unsuccessful bidders can challenge the decision.

The Find a Tender service (findatender.service.gov.uk) is where contract opportunities above threshold must be published for central government. Contracts Finder (contractsfinder.service.gov.uk) covers lower-value opportunities and is also worth monitoring if you're a supplier. Many local authorities also publish opportunities on their own portals or through regional procurement platforms.

How the Buying Process Works: Step by Step

A typical public procurement process follows these broad stages:

  • 1. Needs assessment: The buyer identifies what they need, defines requirements, and estimates the contract value to determine what process applies.
  • 2. Market engagement: For complex requirements, buyers may informally engage the market to understand what's available, test their requirements, and identify potential suppliers — always being careful to maintain fairness.
  • 3. Advertising: The contract opportunity is published (on Find a Tender, Contracts Finder, or the buyer's own portal, depending on the value), with a specification and details of how to respond.
  • 4. Selection: Suppliers are assessed for their legal, financial, and technical suitability to deliver the contract. Those who pass are invited to tender.
  • 5. Evaluation: Bids are evaluated against pre-published criteria — typically a combination of quality and price. The evaluation must be carried out consistently and documented.
  • 6. Award: The winning supplier is notified. Other bidders are informed they were unsuccessful and told how they scored. A standstill period begins.
  • 7. Contract and delivery: The contract is signed and delivery begins. Contract management — monitoring performance and managing the relationship — continues for the life of the contract.

Understanding this process helps buyers design good procurements and helps suppliers prepare effective bids. The key for both sides is clarity: clear requirements, clear criteria, and clear communication at every stage.

Frequently Asked Questions