Celestica is based in Toronto, Canada, and employs 25,000. It provides a range of services including design, manufacturing and supply chain management.

Motorola is based in Chicago, USA, and employs 130,000. It provides integrated communications and electronic solutions.

What is the job count?

Motorola currently employs 1,400 in Swords, Co Dublin. Approximately 750 people will lose their jobs and a further 650 will transfer to Celestica.

Motorola also employs 500 people at a software centre in Cork.

Celestica currently employs 400 staff in Swords. This will grow to more than 1,100 next year.

Why are companies choosing to outsource manufacturing?

Outsourcing enables electronics and technology firms to concentrate on their core competencies of research, design and marketing.

Who are the major EMS companies worldwide?

Celestica Flextronics Solectron Manufacturers' Services Ltd