Australian Unity is set to buy home support services provider myHomecare Group from Enrich Health, a joint venture between RAC and Quadrant Private Equity, for $285 million.
Canadian engineering giant WSP Global will more than double the size of its WA operation to 1,300 people after agreeing to buy most of Calibre Group's business.
Shares in lithium project developer Liontown Resources have jumped nearly 70 per cent after it disclosed US company Albemarle Corporation had submitted three takeover proposals.
Zenith Insurance Services, Dardanup Butchering Co, Austral Pool Solutions, Omni Dental and Forpark Australia were among numerous private WA companies to change hands late last year.
Budding lithium player Liontown Resources has unveiled a big share placement to fund its planned mine, with the deal also marking the first WA transaction for investment bank Barrenjoey.
Wesfarmers has made a second takeover bid for a miner, with a $776 million proposal for lithium company Kidman Resources, as it seeks to benefit from the global uptake of electric vehicles.