
Highly experienced FCSA accredited Umbrella payroll provider offering excellent worker journey and robust adherence to HR and employment compliance and legislation.
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.

Oasis, with its wealth of knowledge and expertise in both accountancy and umbrella, offer contractors and recruitment partners a hassle-free and compliant approach to getting paid, whilst always delivering a quality service. To demonstrate our commitment to compliance we are accredited by both FCSA and Professional Passport and are affiliate members of ACCA. Our long-term agency relationships have been built on trust, unparalleled service, and proactive support. Our bespoke services, tailored to your specific requirements and in a world of ever-changing legislation, we aim to provide you with the most up to date guidance and advice. Passionate and committed to driving up standards, Oasis keeps the supply chain risk free by paying all taxes and associated payments on time.

We are a Payroll Company with a difference. We care and are here to help make sure your pay is correct. We have the knowledge and experience to get it right and ensure everything is being dealt with correctly.

We exist to Create a Legacy that Values All People and Creates Opportunities for Generations to Come - joining Arch will support this mission.

With over 20 years of experience, Parasol has grown from providing umbrella payroll services to offering comprehensive employment and payroll solutions. During this time, we’ve supported more than 250,000 professionals and partnered with over 3,000 recruitment agencies and end clients.
We understand the critical priorities for your candidates, clients, and agency: exceptional support, on-time payments, and full compliance with HMRC regulations. These are at the heart of everything we do and are reflected in the loyalty of professionals who choose us year after year, as well as our long-standing partnerships with some of the most recognised names in recruitment. As a founding member of the FCSA and a company created by a contractor for contractors, Parasol makes getting paid simple for the agile workforce. Since our launch in 2000, our goal has been to empower contractors to maximise their careers by offering complete peace of mind through accurate, compliant, and reliable payroll services.
Speedy Onboarding
Getting started is simple. Agencies provide basic details and terms; contractors complete a quick Right to Work check via Trust ID (just three minutes). We handle all paperwork and contracts for a smooth process.
Compliance-First
As an FCSA founding member, we set the gold standard in UK tax, employment, and regulatory compliance—giving agencies and contractors complete peace of mind.
Security & Stability
We safeguard your data with Cyber Essentials Plus certification and maintain strong financial stability to ensure uninterrupted payroll services.
Trusted Guidance
Our expert teams offer tailored support, onboarding assistance, and training workshops—the largest agency and employee support network in the sector.

Ovio is the workforce partner that gets it. We support recruitment agencies, contractors and UK businesses with fully compliant payroll, workforce engagement solutions and funding, all delivered with a human touch.
Ovio was created to challenge the ordinary, to put people first, cut through complexity, and bring trust back to workforce solutions. We’re not just here to process payroll (thats the easy bit). We’re here to build something better: a company driven by values, fuelled by excellence, and united by a single rhythm.
Our platform, myOvio, is your visibility engine. We monitor contractor status, onboarding compliance, client approvals, payroll checks and supply chain health in real time. It’s everything you need to keep your staffing compliant, audit-ready, and confidence-fuelled.

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.

Since 2006, Liquid Friday has supported contractors and recruitment agencies with a clear commitment to doing business the right way. We provide PAYE umbrella and CIS payroll and a range of supporting workforce solutions, underpinned by award-winning customer service, innovation and strong financial stability. Stride, our industry-leading platform centralises contractor management, making onboarding, compliance and payroll faster and easier than ever.
As long-standing FCSA accredited members, compliance is embedded throughout our processes and customer journey. We enable agencies to move faster, reduce risk and deliver a better experience for contractors and clients alike. Known for our transparent, straight-talking approach and contractor-first ethos, Liquid Friday is a trusted and principled partner within the contingent labour market.

Bishopsgate Group is an established, trusted umbrella company with extensive experience serving contractors across various industries, including Construction, IT, Education, Engineering, and Finance. The company is known for its transparent and contractor-centric approach, providing peace of mind and financial security to thousands of professionals across the UK.
Bishopsgate Group provides contracting services, including Umbrella PAYE, Self-employment, Self-employment CIS, Ltd Company, Professional Employment (PEO), and Bureau services.
Bishopsgate Group distinguishes itself by: • Prioritising contractor well-being and financial security above all. • Delivering ethical, transparent, and fully compliant payroll solutions. • Maintaining a high level of client retention and satisfaction through superior service and trust. • Supporting recruitment agencies and contractors with a smooth, efficient process that ensures compliance and mitigates risk for all parties involved