
We are A J Rayson the umbrella company of the people . Easy and stress-free umbrella payroll services for contractors, agencies and businesses.
You, the worker, are at the heart of everything we do!

Source Pay is a leading payroll provider, offering umbrella, PAYE and CIS solutions. We act as an intermediary between a contractor (worker) and the end client or recruitment agency. We employ the contractor and handle all administrative, tax, and payroll responsibilities on their behalf.

A team of experienced industry professionals who are passionate about our core values, the temporary recruitment industry and of course, the flexible workforce market in the UK. Collectively, we bring together over 90 year’s industry experience from across the recruitment, contractor payroll and contractor accountancy sectors. We’ve worked with some of the largest and most established players in both the UK and international payroll markets. We bring a wealth of experience, knowledge and understanding – but most importantly, we bring a fresh approach to our duty of care – because we care.


Clockwork Contracting – Precision in Payroll, Excellence in Service
Clockwork Contracting is a proud, certified member of SafeRec—one of the first umbrella companies to achieve this certification. We are committed to continuous improvement, always seeking innovative solutions that elevate industry standards for the benefit of contractors and agencies alike.
Why Choose Clockwork?
Low Contractor Fees – Unlike many competitors, we keep costs fair by forgoing large sales teams, relying instead on the trust and recommendations of our clients and contractors. This means overheads are lower and savings can be passed to our contractors. Seamless Payroll Experience – Our focus is on delivering a smooth, efficient, and hassle-free payroll service from start to finish. Swift Problem Resolution – We understand that errors can be stressful. That’s why we prioritise rapid response times with short SLAs, ensuring that mistakes become swift solutions.
At Clockwork Contracting, we don’t just provide payroll services—we set the standard for reliability, efficiency, and professionalism.

Generate is a customer-focused contractor management company, delivering compliant and streamlined contractor payroll solutions to recruitment agencies and contractors across the UK and internationally.
We are proud to be an FCSA member, REC business partner and iWORK partner and have been recognised by the London Stock Exchange's ‘1000 Companies to Inspire Britain’ for three consecutive years.
Our commitment and dedication to customer care and compliance is why recruitment agencies trust us with their contractors and contractors trust us with their pay.
As part of the Generate family, you will be supported every step of the way and can rest assured you are receiving the best possible service at all times.
We offer our contractors:

If you’re a contractor looking for a professional, reputable payroll provider that makes your contracting life easy, Mortimer Childe is the perfect option for you. Our award winning PAYE umbrella service gives contractors the independence of being an interim professional whilst enjoying all the benefits of being an employee. You will also have the added benefit of making your money go further by using our on-line employee discount platform (which is hugely popular with our contractor workforce).
Our contractors receive the highest standards of service from a dedicated team who handle all aspects of their contractual administration, making their contracting life as easy as possible. By operating multiple pay runs each day, we make sure payments are made quickly and accurately. We place customer service and operational compliance at the heart of everything we do. After all, it’s these qualities that make the real difference when identifying the right umbrella company for you.

Payments Pro is designed to ensure that you get the most reliable, most efficient, and most rewarding umbrella service on the market. We offer an unparalleled level of worker support and incentives that will help ensure that you never want to leave!

Ovio is the workforce partner that gets it. We support recruitment agencies, contractors and UK businesses with fully compliant payroll, workforce engagement solutions and funding, all delivered with a human touch.
Ovio was created to challenge the ordinary, to put people first, cut through complexity, and bring trust back to workforce solutions. We’re not just here to process payroll (thats the easy bit). We’re here to build something better: a company driven by values, fuelled by excellence, and united by a single rhythm.
Our platform, myOvio, is your visibility engine. We monitor contractor status, onboarding compliance, client approvals, payroll checks and supply chain health in real time. It’s everything you need to keep your staffing compliant, audit-ready, and confidence-fuelled.

Exchequer Contracts is a SafeRec and Professional Passport accredited Umbrella company, owned and run by ex-recruiters. We're committed to compliance and we understand the importance of paying people correctly, on time, every time. We offer, CIS, Umbrella and PEO engagement methods for our contractors with daily payment runs, online registration 24/7 and a contractor portal making life easy for all involved. Payroll made easy.