
SG Umbrella is run by experienced contractor accountants, designed for contractors and backed by the UKs leading contractor compliance body, the FCSA. Rest assured that you’re getting the best advice and the best service:
SUPER FAST PAYMENTS Once your client or agency has paid us we turn the payments around without delay – so you get your money as quickly as possible
TRULY ALL INCLUSIVE PRICING There are no hidden costs…everything you need is included in your monthly or weekly fee
EXPERIENCE AND KNOWLEDGE Our team are the very best in the industry with years of contractor accountancy and taxation experience. Their qualifications include ICAEW, ACCA, AAT, ATT and CTA and your fee entitles you to unlimited advice and support, including with IR35 and tax planning
GROW AND FLEX WITH US Set up a Limited company with SG Accounting and switch between the two if needed due to IR35. Just ask which set-up would be best for you.
REAL PEOPLE EVERY TIME You speak directly to a real person when you call or email us. No call centre or “press button 1 for this and button 2 for that” service
NO MINIMUM CONTRACT We are so sure you’ll love our service we don’t have a minimum commitment. Fees are deducted from your pay so there are no up-front costs
COMPLIANCE AS STANDARD We’re FCSA Accredited, assuring the highest standards of compliance. As contractor experts, we can advise you on IR35 and Tax matters too
WELL KNOWN AND ESTABLISHED We have been established for more than 20 years dealing specifically with contractors, consultants and freelancers.

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.

Welcome to Well Pay, a trusted and experienced umbrella company that has been supporting contractors and agencies for over 15 years. Our dedicated team of professionals brings a wealth of expertise to deliver a leading umbrella service that is accredited by Professional Passport.
We understand the importance of staying up to date with ever-changing IR35 legislation, and our team ensures that you remain compliant with the latest regulations. We provide comprehensive support and knowledge to help you navigate the complexities of the contractor landscape.
One of our key priorities is cost-effectiveness. We offer our compliant umbrella service with a low fixed margin, enabling you to maintain competitive costs. By partnering with us, you can provide your contractors with a reliable and cost-efficient solution while maintaining your competitive edge in the market.
At Well Pay, we are committed to delivering a seamless and compliant umbrella service that meets the needs of contractors and agencies alike. With our years of experience, Professional Passport accreditation, and dedication to cost efficiency, we are the trusted partner you can rely on to support your success.

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.

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!
Pay Guardians operate a simple and efficient umbrella and PEO service for agencies and workers. Our processes are fully documented and comply wholly with employment and tax legislation leaving you free from the burden of ensuring yours and your temporary workers affairs are fully managed. Our team of qualified accountants and payroll specialists with years of experience will ensure piece of mind and provide the highest quality of personal service throughout.

ADVANCE provides world-class service and works in partnership with recruitment businesses and their candidates, adding value throughout the contracting supply chain. ADVANCE continuously invests in its infrastructure and people to ensure every part of the contracting journey for both candidate & recruiter is efficient, simple, and reliable. Whether you’re a contractor looking for support or a recruitment professional who wants the very best for your candidates, ADVANCE has the solution.

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.

With over 20 years of experience running recruitment agencies, Phillips Payroll understands the unique challenges of managing temporary payroll and delivers services designed to make workforce management simple, compliant, and dependable. We provide fully managed payroll and workforce solutions to the recruitment sector, ensuring contractors and temporary workers are paid correctly and on time, every time.
We process multiple pay methods including PAYE (Umbrella & PEO) and Construction Industry Scheme (CIS). Our comprehensive service covers onboarding, verification, tax and NI deductions, CIS returns, payslip production, and payment execution, removing administrative and compliance burdens from our clients.
At Phillips Payroll, we pride ourselves on delivering exceptional customer service, with a dedicated and responsive team that ensures every client and worker receives the support they need. Our compliance-first approach, combined with flexible engagement models and a genuine commitment to service excellence, ensures transparency, reduces risk, and provides a reliable, trusted solution for both clients and workers.

Here at Trafalgar, we’re passionate about people; putting contractors like you at the heart of what we do. Having started life as a small, family-run firm with a handful of clients, we now provide specialist financial, payroll, accounting and employment to thousands of contractors and self-employed people across the UK. Trafalgar is a name you can trust, as our reviews and accreditations attest. Our umbrella employment solution is designed with you in mind. We’ll do everything we can to reduce your administrative burden and make sure you have the support you need for your contracting career. Our experienced team pay thousands of contractors every single week, so you can rest assured you’ll get paid in full and on time, every time. Join today and combine all the benefits of permanent employment with the freedom of running your own business.
You'll receive:
Likewise, our contractor accountancy plans include access to award-winning software, as well as:
Our fees are fixed and, what’s more, you’ll also be assigned your very own Personal Accountant because, to us, accountancy is about more than just number crunching. It’s about developing great relationships, overcoming obstacles, providing tangible solutions, and enabling people to achieve their potential.