British Gas are set to make 850 jobs redundant.
Credit Suisse announced 1500 job losses worldwide and a reorganisation of its securities unit after reporting weak third-quarter net profits of £480m.
More than 1,000 jobs are under threat after retailer Carphone Warehouse announced it was pulling the plug on its Best Buy stores in the UK.
Mining firm Rio Tinto says laws to reduce toxic emissions will make cost of running aluminium plant at Lynemouth near Newcastle too high, therefore 850 jobs are to go.
Insurer Aviva will cut 950 jobs in the republic and announces 115 losses in the UK.
Helicopter manufacturer AgustaWestland is cutting up to 375 jobs in the latest shockwave from spending cuts at the Ministry of Defence to hit UK manufacturers.