Hundreds of Ford staff in the UK are battling the car sales firm's plans to replace a pay rise with a one-off payment this year and introduce performance-related pay from 2025.
Ford managers across the UK are to vote on whether to engage in strike action.
Unite has issued a warning to Ford, indicating the possibility of strikes occurring across its UK sites unless the company engages in negotiations.
Logistics workers based at Ford's engine manufacturing plant in Dagenham are being balloted for industrial action.
Union members working at the Driver and Vehicle Licensing Agency in Swansea have begun a four-day industrial action due to health concerns over coronavirus.
