Who is responsible for the disputed work?
The brand, designer, contracting company, main contractor and specialist subcontractors may be different persons. The quotation, invoice, payment account, licence or registration details and communications should identify who promised design, supply, supervision, installation and rectification.
- Confirm the legal name and registration number on the contract.
- Map each design, supply and construction obligation.
- Identify warranties and direct supplier arrangements.
- Check whether the designer had authority to instruct variations.

