Data Mishandling Legal Steps

Summary

If your data has been mishandled by the Information Commissioners Office, contact them for clarification. If unsatisfied, file a formal complaint. Consider consulting a solicitor specializing in data protection for further guidance. Personal data is controlled by organizations you interact with, who must comply with GDPR and the UK Data Protection Act 2018.

Full Conversation

They has refused to communicate with me anymore
It sounds frustrating not to get a response. Have you considered seeking legal advice from a solicitor who specializes in data protection? They could offer guidance on how to proceed with your situation.
Who keeps this data
In the UK, personal data is typically controlled and processed by organizations or entities you interact with, such as businesses, government bodies, or service providers. These entities are considered "data controllers" and are responsible for handling your data in compliance with data protection laws, such as the General Data Protection Regulation (GDPR) and the UK Data Protection Act *. If you believe your data has been mishandled, these are the entities to engage with.