Jurisdiction(s):
United Kingdom

Key definition

D&B definition

What does D&B mean? In legal practice, D&B refers to Dun & Bradstreet, a commercial provider of company credit reports and business intelligence used to assess counterparties. Lawyers use D&B data for due diligence, KYC/AML onboarding, supply chain and counterparty risk assessment, and to monitor covenant compliance where agreements reference a “D&B rating” or require a “D‑U‑N‑S Number” (D&B’s unique identifier). D&B is not an official registry and the term is not defined in legislation or case law; it is descriptive industry shorthand used across multiple contexts. Its scores and ratings are opinion-based and should be verified against primary sources such as Companies House (covering...

Construction contracts glossary—D: design and build, delay, defects, payment notices, dispute processes, dutyholders

Published by a LexisNexis Construction expert

Practice notes

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

D&B

See Design and build beneath.

DBO

See Design, build and operate beneath.

Date for completion/completion date

Means the date stated therein in the building contract (typically within the contract particulars/contract data) by which the contractor must finish the works—ie the point by which practical Completion is to be achieved (see Practice Note: What is practical completion?).

This completion date may change over the course of the project, for instance where the contractor receives an extension of time.

Should the works not be completed by the completion date, the contractor is liable to the employer for liquidated damages (where the contract so provides) or, failing that, general damages for delay in completion (arising from breach of contract thereunder).

Date for possession

The date set out in the building contract on which the employer gives the contractor possession of the site, enabling commencement of construction of the works thereafter.

Daywork rates

Rates available for additional work that is not otherwise included within the pricing of a contract...

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Web page updated on 21/05/2026

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