Hi - I answer from the OpenSmartRoute documentation: routing, the API, plans and quotas, self-hosting. Ask away, or open a support ticket if you need a person.
Grounded in the docs - follow a source before acting on it.
UK Due Diligence - Tool - OpenSmartRoute
Toolv1.0.3
UK Due Diligence
UK due diligence — Companies House, Charity Commission, Land Registry, Gazette, HMRC VAT