Done Deals:

• TradeDoubler has acquired Interactive Marketing Works for £56 million, adding to its marketing operation

• Engineering firm Tanfield Group has bought US-based lift and boom manufacturer Snorkel for an undisclosed sum

• Oxford Metrics Group that supplies image understanding products has acquired data and surveying company Data Collection for £5 million

• Specialist luxury travel group Western and Oriental plc has acquired tour operator Key2Holidays for £1.7 million

• Media group United Business Media plc has acquired Mexican-based communications firm Notilog for $4 million (£1.97 million)

• Food producer Challenger Foods has been bought for an undisclosed sum by 2 Sisters Food Group

• Golley Slater has acquired digital agency Green Cathedral for an undisclosed sum, adding to its advertising agency and re-brands as Golley Slater Digital

• Marketing group Loewy, which earlier this week bought retail packaging specialist Epoch Design, has acquired communications company Mantra PR for an undisclosed sum

• Biscuit makers Britannia Biscuits has been bought by The Baked Snacks Company for £4.7 million after making loses, investment is expected

Deals about to happen…

• Barclays Private Equity Germany is to acquire lighting solutions specialist Siteco for an undisclosed sum

• Salt Lake City based O.C. Tanner has acquired Procurement International for undisclosed terms, adding to its staff incentive and reward product business

• High technology tool and systems provider Oxford Instruments is to acquire 81.4% of German metal analyses manufacturer WAS for up to £9.3 million

• Claimar Care Group plc has agreed to acquire Acorn Home Care, adding to its domiciliary care service for £10,250,000

• Computer services firm Xansa plc is in advanced talks to sell its business to an unknown buyer, boosting its share price

• Chicago-based Navigant Consulting is to acquire UK financial services consultancy Troika for undisclosed terms