
Why Core?
We put you first! We have a team of experts here to ensure you have all the support you may want or need through every process. We work hard to ensure our reputation is second to none and you can rest assured that compliance, efficiency, and professionalism are key values we uphold here at Core. We are an accredited member of Professional Passport and a tier one founding member of trade association body Prism.
Lauren Baker also sits on the executive board of Prism as their Payroll Intermediary Representative, meaning we are always ahead of the curve when it comes to legislation changes. We work with thousands of contractors in both the Public and Private Sectors and are specialists in IR35, allowing you to safely navigate this legislation and get on with what you do best, your contracting work. We would welcome a call; Matt and the team would be delighted to hear from you on 0800 211 8121. You’ll receive:
• Dedicated Relationship manager
• Set up (paperless) in as little as 24 hours with no exit fee
• Online portal for payslips and document viewing
• IR35 assessments
• Weekly, Bi-Weekly or Monthly payroll services
• Insurance cover, Professional Indemnity up to £5 million, Employers Liability up to £10 million, Public Liability up to £10 million
• Workplace pension via NOW or Salary Sacrifice
• Full statutory employment rights

We Contract are one of the top compliance orientated employment intermediaries and professional service providers to the recruitment industry. We employ 1000’s of short term contracting workers, in all industry sectors, all over the UK and abroad.
We were established in the UK in 2013, operate from offices in central Chester and have held full FCSA accreditation since 2017, being one of the earliest adopters of the industry gold standard.

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

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.

Part of the Templeton Swiss group, based in the landmark 30 St Mary Axe in London, Templeton Brook offer prompt, efficient and reliant PAYE umbrella service. With decades of industry experience, we are composed entirely of seasoned payroll specialists who love their work. We know what it takes to work under pressure and how to offer a solution driven approach, and that's exactly what we do. Our mission is to provide each and every client with skilled and compliant payroll service in a timely and efficient manner. Each of our team members is dedicated to focusing on providing outstanding service, so that our workers can focus on their personal success. Our mission is based on the values we hold true: integrity, efficiency and excellence.

NumberMill knows more than most how important payroll and related compliance is to the sector. More than ever and with the introduction of the Criminal Finance Act September 2017, it is even more important for agencies to have the reassurance that their partners meet high standards of compliance and eliminate risk in the supply chain. NumberMill truly has the qualifications, skills, and expertise to keep both contractors and agencies compliant whilst being agile, offering the best commercial, honest & transparent advice, in a constantly changing legislative environment.

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.

I4 have been in operation since 2005 and have partnered with over 10,000 businesses and paid over 35,000 contractors. Our services offer temporary workers and freelancers an opportunity to retain the correct amount of their hard-earned cash, without any of the overheads or risks of running their own companies or falling foul of IR35 legislation. i4 will look after the calculation, deduction and payment of all statutory payments for you. Get organised on the go with innovative and convenient solutions that free up your time to focus on doing what you do best. We have recently partnered up with ANDREW NOLAN MORTGAGES LTD to help contractors secure mortgages as it can prove difficult.

At AGPayroll we offer umbrella, CIS, Limited Company, and Fully Outsourced Payroll solutions with compliance at our heart.
We leverage cutting edge technology to streamline your payroll options. Our team of experts has developed a state of the art payroll software, mobile app and portal to meet the unique needs of your business. Our commitment to excellence doesn’t stop at technology, we understand that every business is unique which is why we offer personalised support from our team of payroll experts. Whether you have a question about tax regulations or need assistance with complex payroll scenarios, our knowledgeable staff are here to help.

For over 35 years, Workwell Contractor Solutions has been a trusted provider of compliant, high-quality umbrella and CIS payments. As one of the largest umbrella companies in the UK, we are commitment to transparency, industry leadership, and trust, ensuring your business remains protected and fully compliant through us. Today, we have supported and paid over 10 million contractors, and are the largest provider within the construction sector.