Hi Philip Brenan,
If the "Finish" button does not become available during the business verification process, please ensure that all required fields in the verification form are accurately completed, including your business’s legal name, address, and registration ID. The provided information must match your official business documents.
Additionally, confirm that all supporting documents are dated within the last 12 months and meet the verification requirements. If the issue persists, try completing the process using a different browser or clearing your browser's cache to resolve any potential technical issues that may be preventing the button from becoming active.
For reference, Business and Domain Verification
If the issue persists, we recommend reaching out to Microsoft support for further assistance Submit Support Request.
Please reach out to us if you have any other queries.
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