Overseas company https://beta.companieshouse.gov.uk/company/SF001035
...doesn't show any uk-establishments, either in the company profile links object returned by the API or on Beta.
It's apparently still active. Requesting:
...does indeed reveal a UK establishment. The filing history shows filings for this establishment also.
I notice the format is slightly different on beta, but entering:
...does indeed show this correctly - but as you can see there's no tab for this.
As far as I can see the UK establishment (https://beta.companieshouse.gov.uk/company/BR010414) is still open too.
P.S. is it better to report such data issues using the "Is there anything wrong with this page?" link at the bottom.