Services List Procurement strategy Find information about how the council purchases goods and services, manages contracts, and works with suppliers to deliver value for residents, businesses, and visitors. Tender opportunities Find current tender opportunities with Colchester City Council and learn how to register on the Delta procurement portal to bid for contracts. Social Value Learn how social value is included in relevant council contracts and how suppliers can demonstrate community benefits through the Social Value Portal. Modern Slavery Act Find out how the council works to prevent modern slavery in its operations and supply chains. Contracts Register View information on council contracts and tenders over £5,000, published in line with transparency requirements.