About OPRaaS: On Payroll as a Service
OPRaaS specialise in workforce management solutions, ensuring labour supply chain assurance and payroll compliance for businesses navigating complex off-payroll regulations.
Helping your business remain compliant in a complex regulatory environment.
OPRaaS ensures your organisation is properly educated to meet compliance with the changing UK tax and employment legislation whilst gaining a competitive edge by optimising the use of your contingent workers
Chris Dunn
Led by Chris Dunn, a seasoned expert with 20 years of IT and Interim Management recruitment experience, OPRaaS provides trusted, HMRC-compliant solutions for agencies and organisations working with external contractors, freelancers, temporary labour, interims, and Statement of Work (SOW) consultants.
With two and a half decades in the workforce management and recruitment industry—spanning contract, permanent, MSP, and RPO solutions, Chris has deep and broad insight into labour market compliance and workforce risk management.
Since the enactment of IR35 Off-Payroll Reform, Chris has dedicated the past 6 years to helping businesses navigate the challenges of tax compliance, SOW risks, and labour supply chain integrity.
His expertise extends across FTSE 250 organisations, and SMEs as well as the public sector, making him a trusted authority in workforce compliance strategies.
The OPRaaS Mission
OPRaaS delivers end-to-end workforce management solutions, ensuring businesses remain fully compliant with evolving UK tax and employment laws. Since April 2021, employment and tax legislation has transformed the way businesses engage contingent workers, demanding greater oversight and risk mitigation.
Our comprehensive solutions help businesses:
Optimise and maximise their use of temporary labour, contractors, freelancers, and SOW consultants
Ensure payroll compliance and labour supply chain integrity
Minimise risks and meet HMRC’s employment status and tax regulations
Alleviate the administrative burden on internal teams
With OPRaaS, your organisation stays ahead of compliance challenges, ensuring a secure, future-ready workforcewhile maintaining seamless contractor and payroll management.
Chris Dunn, Founder and Managing Director, OPRaaS

Expertise
25 years workforce management, IT staffing and Interim Management recruitment experience
Workforce Management Expertise
OPRaaS partners with a leading UK-based workforce management provider to provide a disruptive, leading edge model in managed service provision, compliance, payrolling, VMS technology and deliver latest technology solutions on one integrated platform.
Tax expertise
OPRaaS works with a leading provider of IR35 solutions since 2000 and one of the leading experts in Off-Payroll Reform. Clients include Home Office, TfL, Ministry of Justice, and Channel 4.
Labour Supply Chain Assurance Compliance brings challenges—but also opportunities for those ready to adapt.
With OPRaaS, you can:
✔ Protect your business and clients from irregular labour and payroll providers
✔ Ensure payroll compliance and avoid costly errors
✔ Differentiate your services and attract new business
✔ Gain full transparency with a clear audit trail
✔ Secure your supply chain and minimise risk exposure
✔ Enhance your reputation as a trusted, compliant provider
Stay ahead of compliance challenges and turn them into a competitive advantage with OPRaaS.
Contact OPRaaS for more information on how we can support your company.
Interested in working together? Fill out some info and we will be in touch promptly to answer your queries, enroll you on the NEW Online Certification Course, or take you through our onboarding process.
We look forward to hearing from you!