
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.


Over 30+ years of UK contractor and agency expertise with a strong compliance heritage as founding members of FCSA holding certifications for all 3 services (umbrella, PSC and CIS). Brookson offers comprehensive solutions, personal service, and expert guidance through every industry challenge. We offer regulated financial services, accountancy services, outsourced payroll, back office and legal services underpinned by technology to support your business and contractors. Brookson is your business partner, not just another umbrella company.

Built for a new era of Umbrella payroll, where compliance, transparency and trust comes first.
Backed by the Marquee Group and SafeRec accredited, Arkon Pay delivers a fully compliant PAYE solution designed for today's contractor market.
Combining industry expertise with a technology led approach, we provide a reliable, straightforward service to both agencies and contractors. From onboarding through to ongoing support, out focus is on consistency, clarity and doing things properly.
Arkon Pay is more than just an umbrella provider, we are a trusted partner in an increasingly regulated market.

Payroll, compliance and onboarding for agencies, MSP's and end hirers, with unique financial wellbeing tools for workers.
Delivered via innovative software that fits seamlessly around your operation; brand your own user experience and configure your onboarding processes.

Since 2006, Liquid Friday has supported contractors and recruitment agencies with a clear commitment to doing business the right way. We provide PAYE umbrella and CIS payroll and a range of supporting workforce solutions, underpinned by award-winning customer service, innovation and strong financial stability. Stride, our industry-leading platform centralises contractor management, making onboarding, compliance and payroll faster and easier than ever.
As long-standing FCSA accredited members, compliance is embedded throughout our processes and customer journey. We enable agencies to move faster, reduce risk and deliver a better experience for contractors and clients alike. Known for our transparent, straight-talking approach and contractor-first ethos, Liquid Friday is a trusted and principled partner within the contingent labour market.

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.

For over 35 years, Workwell Contractor Solutions has been a trusted provider of compliant, high-quality umbrella and CIS payments. As one of the largest umbrella companies in the UK, we are commitment to transparency, industry leadership, and trust, ensuring your business remains protected and fully compliant through us. Today, we have supported and paid over 10 million contractors, and are the largest provider within the construction sector.

I4 have been in operation since 2005 and have partnered with over 10,000 businesses and paid over 35,000 contractors. Our services offer temporary workers and freelancers an opportunity to retain the correct amount of their hard-earned cash, without any of the overheads or risks of running their own companies or falling foul of IR35 legislation. i4 will look after the calculation, deduction and payment of all statutory payments for you. Get organised on the go with innovative and convenient solutions that free up your time to focus on doing what you do best. We have recently partnered up with ANDREW NOLAN MORTGAGES LTD to help contractors secure mortgages as it can prove difficult.

With over 20 years of experience, Parasol has grown from providing umbrella payroll services to offering comprehensive employment and payroll solutions. During this time, we’ve supported more than 250,000 professionals and partnered with over 3,000 recruitment agencies and end clients.
We understand the critical priorities for your candidates, clients, and agency: exceptional support, on-time payments, and full compliance with HMRC regulations. These are at the heart of everything we do and are reflected in the loyalty of professionals who choose us year after year, as well as our long-standing partnerships with some of the most recognised names in recruitment. As a founding member of the FCSA and a company created by a contractor for contractors, Parasol makes getting paid simple for the agile workforce. Since our launch in 2000, our goal has been to empower contractors to maximise their careers by offering complete peace of mind through accurate, compliant, and reliable payroll services.
Speedy Onboarding
Getting started is simple. Agencies provide basic details and terms; contractors complete a quick Right to Work check via Trust ID (just three minutes). We handle all paperwork and contracts for a smooth process.
Compliance-First
As an FCSA founding member, we set the gold standard in UK tax, employment, and regulatory compliance—giving agencies and contractors complete peace of mind.
Security & Stability
We safeguard your data with Cyber Essentials Plus certification and maintain strong financial stability to ensure uninterrupted payroll services.
Trusted Guidance
Our expert teams offer tailored support, onboarding assistance, and training workshops—the largest agency and employee support network in the sector.