A letter/email of complaint regarding poor after sales service. In particularly bad staff training and behaviour.
1. Under the contract, [you are required to provide on-site maintenance service for a period of [period]]. However, you have not complied with this requirement.
2. In relation to [service], your service staff did not follow up on our complaints and we had to repeat our issues many times to different staff. There was a lack of attention to details.
3. Your staff was careless in performing [maintenance] and has caused damaged to [property].
4. We are not aware of your staff performing [maintenance] as required under the contract.