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General procurement and tender opportunities

Get the latest on our procurement and tender opportunities.

We strive to deliver the best value in everything we do. To achieve this, we consider some key factors when reviewing a tender, including best quality, efficiency, value for money and risk.

We review each proposal carefully and consider the needs of both OS and the stakeholder.

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Current opportunities

Find out how you could be working with OS. We advertise tender opportunities via Contracts Finder portal, or we will publish via

Procurement contracts

Download a spreadsheet containing details of all OS contracts over the value of £25,000 for the last three years. This covers supplier information, contract type, purpose, dates and value.

Guide for suppliers

Find out more about our approach to Public Procurement, including the range of goods and services we purchase.

Purchase orders

See our purchase order terms and conditions (PDF).

Supplier code of conduct

Click to download our supplier code of conduct.

Key OS suppliers

View a list of key suppliers that provide goods and services to OS.