**Complaints Procedure
OS GROUP HOLDINGS LIMITED trading as Capital City Consulting.
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Last updated: Nov 2025.
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At Capital City Consulting, we take all complaints seriously. We aim to provide a high-quality service, and your feedback helps us improve. If something has gone wrong, we want to put it right as quickly as possible.
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How to Make a Complaint
You can make a complaint using any of the following methods:
Email: complaints@capitalcityconsulting.co.uk
Phone: +44 (0)20 1234 5678
Post: Capital City Consulting, London, United Kingdom
Please include your name, contact details, and a brief explanation of the issue.
What Happens Next?
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Acknowledgment
We will acknowledge your complaint within 5 working days. -
Investigation
Your complaint will be reviewed by a senior member of our team. We may contact you for additional information. -
Response
We aim to provide a full written response within 28 days.
If more time is required due to complexity, we will notify you.
If You Are Still Unhappy
If you are dissatisfied with our final response, you may have the right to escalate your complaint to an independent body depending on the nature of your case. We will advise you of any applicable external dispute resolution options when we issue our final response.
Your satisfaction is important to us, and we are committed to resolving complaints professionally, fairly, and promptly.