Compared to getting a lawyer to write these documents from scratch, which will cost you hundreds if not thousands of pounds in unnecessary cost due to you not thinking about what you want it to cover.
All these documents are from professionals in this field. You can amend this standard terms and condition of service to suit your precise commercial requirements by adjusting the wording to suit your purposes. This Standard Terms and Conditions - Goods and Service
is a template created by Legal Professionals.