
Our focus at Atom is ensuring we provide simple and cost-effective services to those who wish to contract or freelance in the UK and internationally.
To that end, we offer Atom Freelance and Atom International, the banners under which we offer our Umbrella Company, Construction Industry Scheme, and international payroll services.
We use up-to-date technology and have a team of highly experienced staff who ensure our clients are free to enjoy the flexibility of the contracting and freelancing lifestyle.
Please email info@atomhub.co.uk to speak to the team about our services.

Established in 2002, ICS Accounting has been supporting contractors, freelancers and small business owners across the UK for over 18 years. Our ethos of trust, care and compliance enable you to focus on your job without the task of endless paperwork, ensuring you are operating compliantly.
The ICS Accounting Umbrella solution provides an employment solution for independent workers, taking the stress out of contracting. ICS Accounting will process your pay either weekly or monthly, paying relevant Tax and NI liabilities to HMRC and the rest to yourself, ensuring you’re paid accurately and on time. As an employee, you will receive full employment rights, including holiday pay and sick pay, cover from our comprehensive insurances and access to our comprehensive employee benefits portal. Through the portal you will find huge discounts on your shopping as well as a wellbeing area providing education, support and tools to be the best version of yourself at home and at work.

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!

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.

Generate is a customer-focused contractor management company, delivering compliant and streamlined contractor payroll solutions to recruitment agencies and contractors across the UK and internationally.
We are proud to be an FCSA member, REC business partner and iWORK partner and have been recognised by the London Stock Exchange's ‘1000 Companies to Inspire Britain’ for three consecutive years.
Our commitment and dedication to customer care and compliance is why recruitment agencies trust us with their contractors and contractors trust us with their pay.
As part of the Generate family, you will be supported every step of the way and can rest assured you are receiving the best possible service at all times.
We offer our contractors:

Orca Pay Group 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".

Exchequer Contracts is a SafeRec and Professional Passport accredited Umbrella company, owned and run by ex-recruiters. We're committed to compliance and we understand the importance of paying people correctly, on time, every time. We offer, CIS, Umbrella and PEO engagement methods for our contractors with daily payment runs, online registration 24/7 and a contractor portal making life easy for all involved. Payroll made easy.

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.

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.