Customer Feedback and Complaints

We strive to provide a great service and your feedback is important to us so we can further improve.

If we haven’t met your expectations please email us at or write to:

The Managing Director
Millstream Underwriting Limited
52 – 56, Leadenhall Street
London EC3A 2EB

We will respond to you promptly and fully. If we are unable to satisfactorily address your concerns you may have the right to refer your complaint to the Financial Ombudsman Service (FOS). The FOS is an independent service in the UK for settling disputes between consumers and businesses providing financial services. Details of who is eligible to refer a complaint to the FOS can be found on their website at

If your complaint relates to insurance purchased from us via electronic means (e.g. on-line or via email or mobile ‘phone) then you are also able to use the EC On-line Dispute Resolution (ODR) platform at who will notify FOS on your behalf.

We also value positive feedback so please do take a moment to tell us when we’re doing things well.