ON-SITE INTEGRATED SERVICES LIMITED Company number 17182677 · Monitor this company Active Overview People 4 Control Documents Gazette Analysis Location Related Registered office AddressTrafalgar House, 223 Southampton Road, Portsmouth, Hampshire, United Kingdom, PO6 4PY PostcodePO6 4PY Companies at this postcode 196 Average house price in PO6 4PY £416,000 (6 sales) Map