How do I make a formal complaint?

We strive to deliver the very best service to our customers however we recognise that sometimes things can go wrong.

We are sorry to hear that you feel you have had a negative experience. We take this very seriously and would like the opportunity to make it right.

To raise a complaint, please click here to login to your My Account

Alternatively, you can write to us: Onestream, Unit 15, Fulcrum 2, Whiteley, PO15 7FN


What happens next?

Your complaint will be given to our dedicated complaint handling team, who will investigate what's happened. They'll contact you to introduce themselves and provide you with regular updates as they look into what's gone wrong.

Please be advised, our team work hard to address each complaint as quickly as possible within our average response time of 3 days, but it can take longer during periods of high volume.

We take your concerns seriously and will get back to you as soon as possible.

Onestream are a member of the communications Ombudsman, an independent dispute resolution service that can be contacted after the initial 8 week formal complaints procedure. 

View our Complaints Process here 


Get in touch with one of the team

Open Mon-Fri 9am - 5pm and Saturdays 9am - 4pm

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