Fortum O&M (UK) Limited Business ID 2564354 VAT number GB605828142 E-invoices e-Invoice operator BAWCFI22 e-Invoice address GB25643549422 PDF invoices Fortum.GB9422 [at] bscs.basware.com Paper invoices Purchase invoices (9422) PO Box 444, MITCHELDEAN, GL14 9LE, United Kingdom United Kingdom