
StoneBridge Pay (SB Pay) is a leading UK umbrella payroll provider, delivering compliant, efficient payroll services since 2017. Working closely with our partnered agencies, we ensure contractors get paid accurately and on time, with compliance and exceptional service at the heart of everything we do.
We specialise in PAYE umbrella, CIS and PEO payroll services, supporting agencies across key sectors including telecommunications, rail, construction, driving and logistics, medical, education and IT.
Our in-house Compliance Department and continuously evolving service help protect the supply chain, ensure smooth processes, maintain timely payments, and keep all operations aligned with UK legislation.
Agency partners benefit from a wide range of added-value services, including payment options via Corporate AMEX and Capital on Tap Visa, comprehensive insurance, access to our industry-leading portal, flexible credit terms, and more.
Workers engaged through SB Pay also enjoy valuable extras, including 24/7 GP support, insurance, and complimentary guidance from specialist contractor financial advisers.
To find out more about SB Pay and our payroll services, call 020 4591 2677 or email info@sbpay.co.uk.

NumberMill knows more than most how important payroll and related compliance is to the sector. More than ever and with the introduction of the Criminal Finance Act September 2017, it is even more important for agencies to have the reassurance that their partners meet high standards of compliance and eliminate risk in the supply chain. NumberMill truly has the qualifications, skills, and expertise to keep both contractors and agencies compliant whilst being agile, offering the best commercial, honest & transparent advice, in a constantly changing legislative environment.
With over 20 years’ experience, our focus on compliance is second to none. We’re renowned for delivering exceptional support and customer service with excellent reviews across Trustpilot and Google. We’re a leading umbrella company and provider of accountancy, tax, candidate screening and international payroll services.
Voted the UK’s Best Umbrella Company in The Contracting Awards multiple times, our award-winning umbrella company supports salary sacrifice contributions into a personal pension plan whilst passing back 100% of the employer NI saving to our contractors.

Orca is more than your typical UK umbrella company, our partnerships are built on compliance, honesty, transparency and a wealth of industry expertise. By combining cutting-edge, HMRC-approved technology with an attentive approach and modest umbrella company fees, we ensure we are the best umbrella company for contractors seeking straightforward, risk-free, and cost-effective engagements.
We pride ourselves on being a UK umbrella company that truly values its employees, for whom our rigorous processes guarantee fair tax treatment and full provision of rights, paving the way for continued, fruitful engagements.
We are immensely proud to be the first UK umbrella company to offer all of our umbrella employees full and transparent payslip audits on a payroll-by-payroll basis, ensuring that our umbrella employees can see that they have been paid correctly and compliantly every time they are paid.
This approach protects and ensures all holiday payments, pension payments and all deductions are calculated and paid to the penny. There is no better guarantee for a contractor, and why we are proud to live by our business motto, "Trust through transparency".

Champion Contractors is a specialist division of Champion Chartered Accountants, providing accountancy and tax support services to freelance contractors throughout the UK.
We understand the unique needs of contractors and deliver a bespoke service, which is tailored to their specific requirements. We have over 50 years of recruitment and accountancy experience which you will benefit from when using our umbrella/employment solution or contractor specific accountancy services.
If you decide to join the Champion umbrella/employment solution, you will be entitled to statutory payments and insurances including a personal accident scheme at no extra cost. Other benefits include:
Along with partners from the employment law, insurance and financial service sectors, the Champion Contractors team proactively manage administrative burdens and assist clients to maximise their financial rewards, whilst ensuring that they remain compliant at all times.

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.

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.

MainPay is a leading provider of services to agency workers across the UK. We pride ourselves on our outstanding service, our people and bespoke systems.

Why should you choose Carrington? Because Carrington cares.
We are not sales driven; we are people driven. In our 20 years of Umbrella service our contractor base has grown largely through personal recommendation as well as a bedrock of contractors who just keep returning for our quality service, and we are therefore without a sales team or a sales pitch. We are committed to transparent, prompt and communicative service. There are no hidden charges; there is support with the complexities of the thorny issues such as holiday pay and expenses. Our company values, objectives and philosophy are a direct reflection of the kind of service culture we want to inspire where everyone involved is driven to create a world-class next-generation workforce. Our service has been shaped to our valuable flexible workforce and we aim to provide unrivalled customer care throughout their employment with us. Simply put we strive to be the best and offer the greatest value to our contractors.

Award winning, forward thinking payroll provider, putting workers first at all times