• OmniPay Group

• One Contact

• Open Plan Ltd

• Open Sky Data Systems Ltd

• OpenJaw Technologies

• Orbit Technologies

• Orcawise

• Origina Ltd.

• Osborne Recruitment

• Osmii

• Otter Products

• Otterbox

• Outsourced IT

• OVH

• PaceMetrics

• PacNet Services

• Paddy Power Betfair

• PAQ IT Solutions Ltd

• Paragon Europe

• Parker Shaw

• Partners in Performance

• PB Recruitment

• PC Peripherals Ltd.

• PE Global