• Overview
  • Invoicing Payroll
  • Tax Compliance
  • Full Employee Insurance Cover
  • Pension
  • Online Account Management
  • Contractor Care Team
  • Flexible Solution


Enjoy a professional contracting career with confidence.

As one of the Uk’s leading contract management providers, Oncore has the infrastructure, technology, experience and expertise to take away the hassle of administration, taxes and compliance for individual contractors. Leaving you to focus on what you do best.

Invoicing Payroll

Simply submit your timesheets and we’ll handle the invoicing and debtor chasing, to ensure you get paid on time, every time.

Tax Compliance

Oncore as your employer will make all necessary PAYE and National Insurance contributions on your behalf.

Full Employee Insurance Cover

£3m Professional Indemnity, £5m Public Liability, £10m Employers Liability.


Oncore can contribute to a private pension policy of your choice and is set up to comply with Auto-Enrolment legislation.

Online Account Management

Have full visibility of your contractor revenue, download payslips and manage your expenses through Oncore’s online client management system.

Contractor Care Team

A dedicated Account Manager and Client Service Team to look after all contractor queries from reviewing your contract to payroll queries.

Flexible Solution

No sign up or close down fees and no minimum length of contract. Management fees are charged only whilst you actively contract.

To help us provide you with the best service package recommendation, please select the option that best describes your business:

I am new to contracting, how can you help?

I have my own limited company, what services can I receive?

I need an Employer of record

Access to your own online portal on Oncore ECM

Oncore was founded by contractors who know and understand what it's like to be in your shoes

Being new to contracting, I had no idea what I was doing until Oncore was recommended to me by a friend. I signed up with them as my umbrella company 7 months ago and they have made the whole process an absolute breeze, patiently answering all the (very many) questions that I had for them on a daily basis.