Companies house id verification service using an ACSP

I need to verify my identity with companies house as part of their new identity verification service. I need to use an authorised corporate service provider, either an accountant or solicitor, please see more info here:

https://companieshouse.blog.gov.uk/2025/12/11/using-a-third-party-provider-to-verify-your-identity-with-companies-house/

If you can do this please submit the offer and price asap, thanks. South east london based, i cannot travel further than SE1 - se16 if travel is a requirement.