I started a new temp freelance role a month ago as PAYE. The agency rang me out of the blue as they'd seen my cv online. The rate of pay they were offering was not acceptable to me so the agency rep agreed verbally to pay me x amount per hour which was in line with the experience I had. I was interviewed in person by the client and offered the job a few days later. The client had agreed the rate of pay.
The agency sent me a job confirmation, showing address of place of work, hours and hourly rate which was £4.50 below what had been agreed.
I spoke to the rep immediately who said she would be amending the rate to what we had agreed and it had been sent in error. Because I was doing a shift that afternoon at at another job I didn't have time to chase a new confirmation and then duly forgot about it.
Roll on four weeks and I have found to my horror that I have been paid £4.50 an hour less than agreed so aporoached my rep who sent me an email agreeing the rate I had negotiated. I spoke to payroll last week after receiving pay at the lower hourly rate and one of the payroll staff tried to imply that the difference in pay was due to holiday deduction, Tax, Employers NIC (being PAYE its only employees NIC I should pay) and pension. I said I'd not agreed to a pension and it doesn't normally kick in for 12 weeks anyway and I dont paye Employer NIC as I'mnot umbrella. None of these things other than employees NIC show as deductions on my payslips. Besides which the difference is about £164!
I sent an email this morning to both the chap from payroll and my rep but haven't heard anything back yet as it'sa bit soon. As I have the email from the rep saying the rate of pay is £4.50 more than I'm getting I assume there can be no dispute. I'm owed about £450 back pay. I’ve requested confirmation in writing of my amended hourly rate, a contract and back pay paid into my bank account ASAP.
I took this job knowing I was going to be earning on average £100 per week less than previous roles I'd undertaken but its significantly more than that, its turning out to be £266 a week less due to the incorrect amount I'm being paid.
What should my next steps be if they dispute all this?