
MMC is a SafeRec Accredited commercial contractor offering contracting services to the temporary labour market.

As one of the UK’s largest and most trusted Umbrella companies, we combine cutting-edge systems with deep industry expertise to ensure your pay is accurate, reliable, and always on time.
We’ve been supporting contractors and recruitment agencies since 1989, paying over 10 million people to date. Our commitment to exceptional customer service, compliance and payroll accuracy has earned us consistently excellent Trustpilot reviews making us the trusted choice for contractors across the UK.
Why Workwell?

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.

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.
Winner of ‘Best Umbrella Company’ at The Contracting Awards 2019 and 2022 finalists. Contractor Umbrella was established in 2001, as one of the most trusted, longest standing umbrella companies in the UK, we ‘guarantee’ our employees peace of mind, absolute compliance and complete security.
• You can chat with us by phone, email or via our Livechat.
• Fully accredited by FCSA, so you can rest assured that you are working with a compliant business.
• New contractors can register online in just a few minutes.
• You will have your very own dedicated Contract Manager.
• Make tax and NI savings by contributing a portion of your earnings into our company pension or your personal pension fund/SIPP.
• Same day payments offered as standard, every working day.
• Fixed margin rate and we only deduct our margin when we are paying you.
• We offer a Service Guarantee to ensure that you will be looked after at every step of the way.
• Contractor Umbrella offer an employee rewards scheme which includes a fuel discount card, foreign currency exchange, contractor accommodation, contractor mortgages and much more.
• Included is a comprehensive £20m insurance package.
• Contractor Umbrella employees are entitled to 5.6 weeks of holiday each year.
• Flexible limited company accountancy - when you sign up to our sister company Dolan Accountancy’s monthly accountancy package (£105 + vat).


MARVEL PAYROLL are a specialist payroll provider, supplying contractors and temporary workers with fully compliant payroll models. Each payroll model is designed to benefit a contractor by paying them in the most tax efficient manner whilst maintaining full compliance. All of the models we offer are provided in a timely and efficient way and backed up by a five star customer service team.

Since 2005, AZebra Group have delivered expert payroll solutions to contractors and businesses across multiple sectors. Our specialist services cover Umbrella, PEO - fully outsourced employment and CIS payroll models, designed to meet the needs of both contractors and agencies.
We take care of everything, from payroll to statutory compliance, so you don’t have to worry about administration. Our dedicated team provides clear communication and reliable support, making it easy to work with us.
AZebra Group is proudly accredited by the FCSA and SafeRec, demonstrating our commitment to the highest standards of compliance and ethical practice. We also partner with Brabners and Markel Tax, offering expert guidance on complex payroll and employment matters, giving agencies and contractors confidence and peace of mind.
We also invest in your agency and your contractors with exclusive benefits, including 750+ CPD courses, wellbeing & fitness resources and an interactive performance hub - all completely free!
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.

Quick and simple telephone or mobile app registration. Same day payments with extended hours payroll. Instant updates via our mobile app making payroll transparent - Invoices, payments, and payslips can be accessed anytime, anywhere. Unbeatable service with extended opening hours and available LiveChat. PayePass and Professional Passport accredited providing the whole supply chain confidence with payroll standards. Access to a range of discounts from high street stores and retail brands such; Tesco, Expedia, Jet2 and many more.