
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?



Our dedicated team has been providing support to contractors and agencies for over 30 years. We pride ourselves on service and go above and beyond, not only because we care, because we know that payroll is important to the UK’s flexible workforce. Our priority is ensuring you are paid correctly and efficiently. We offer same day faster payments as standard.
We use our expertise to provide a leading umbrella service which is SafeRec Certified and FCSA accredited. We make sure you are up to date with legislation changes and provide the support and knowledge you need to succeed. Our compliant Umbrella service is provided with a low fixed margin enabling contractors to take home as much as possible.

Since 1992, Giant have provided specialist, end to end workforce management software and support services for workers and organisations of all sizes. Globally.
At Giant Umbrella, we have designed everything to be simple, paperless and hassle-free. We ensure that workers receive the right level of support when on assignment, we take care of all PAYE tax deductions, as well as provide a mobile 1st portal for easy access at any time.
Here’s why workers and agencies choose Giant Umbrella;
At Giant however, we do much more. Our software includes everything from applicant tracking software and vendor management to invoicing, international payroll & payments. When it comes to contractors getting paid, we are proud to offer a number of compliant solutions including PEO and CIS for any contractor in the Construction Industry Scheme.

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.

Your trusted and compliant partner for your Umbrella PAYE, CIS and outsourced payroll requirements.
Payshield Umbrella Services offers straightforward, transparent, and compliant outsourced services to recruitment agencies and end hirers

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.

Putting Contractors First, Every Step of the Way
With over 20 years of experience supporting contractors and freelancers, SmartWork combines the reassurance of full compliance with the personal service you’d expect from a team that genuinely cares about your success.
Compliance You Can Trust
We’ve held FCSA accreditation for 10 years and have been an APSCo Trusted Partner for over 20 years – certifications that are rigorously audited annually to protect contractors and give recruitment agencies complete confidence.
Our ISO 27001 certification protects your data security, while our SafeRec certification helps recruitment partners minimise compliance risk across the supply chain.
A Service Loved by Contractors
Our commitment to supporting contractors is reflected in our outstanding Google and Trustpilot reviews. When you work with SmartWork, you’re not just a number; you get a dedicated account manager and a team that’s there to help every step of the way.
What We Offer:
For Contractors:
Get paid faster – Same-day payments at no extra cost
Stay in control – Secure online portal for payslips, timesheets, and documents
No hidden costs – Transparent pricing with no setup or exit fees
Fully protected – Comprehensive insurance including Public & Employers’ Liability, Professional Indemnity, and Medical Malpractice
Proper employment – Full contract of employment with all statutory benefits
Life perks – Referral reward, private pension support, and access to contractor- specialist mortgages Quick to start – Set up in as little as 15 minutes, online or by phone
For Recruitment Partners:
Real-time payroll verification – SafeRec certification for live compliance checking
Dedicated agency support managers – Your direct line to our team
Advance payment facilities – Available for preferred partners
Trusted track record – Featured on over 100 Preferred Supplier Lists
Seamless contractor experience – Making your candidates’ journey smooth and compliant
Click on one of the links to the left to contact us; we’d love to hear from you.