Top HR outsourcing companies in the United Kingdom provide services such as recruitment, onboarding, payroll management, employee benefits and compliance management. They help businesses comply with UK labor laws and regulations, reduce costs and focus on their core operations, playing a crucial role in the UK business ecosystem. Select the best agency partner from our list based on portfolios, cost of services, verified client reviews, team size and more.

United Kingdom ×
  • HR Software Built For People Loved By Employers

    HR Software Built For People Loved By Employers

    Playroll makes it easy for global teams to hire, pay, and support talent in 180+ countries without local entities. Our EOR and Global Payroll platform manages onboarding, compliance, and payroll, helping businesses scale confidently with expert support...

    Top Services:

    • HR Outsourcing
    Location
    London, United Kingdom
    Number of Employees
    100 - 249
  • MindSpace was founded in 2007 and offers bookkeeping outsourcing and accounting outsourcing services to individuals and SME’s who are based in the US, UK, Canada, Ireland, and Australia...

    Top Services:

    • Accounting
    • BPO
    • HR Outsourcing
    Location
    London, United Kingdom
    Number of Employees
    100 - 249
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
  • Delive Globally, Talk Locally

    Delive Globally, Talk Locally

    Euroanswer is a boutique-style outsourcing partner delivering tailored, high-quality customer service and CX solutions, focused on helping businesses compete through exceptional customer experience rather than just cost and efficiency...

    Top Services:

    • BPO
    • HR Outsourcing
    Location
    Molesey, United Kingdom
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
  • Where Career Potential Meets Opportunity.

    Where Career Potential Meets Opportunity.

    Square One Resources is a specialist IT and technology recruitment agency with over 25 years of experience, linking top tech and digital talent with organizations ranging from agile startups to global enterprises. Their expertise spans permanent and contract placements, ERP and system specialists, and...

    Top Services:

    • HR Outsourcing
    • IT Services
    Location
    London, United Kingdom
    Number of Employees
    100 - 249
  • From individuals and entrepreneurs, small and medium-sized businesses, right through to large corporations and government bodies, our administrative assistants are helping our clients become more efficient by streamlining their processes...

    Top Services:

    • Customer Support
    • BPO
    • Market Research
    • Transcription Services
    • Translation Services
    • Show more
    Location
    Edinburgh, United Kingdom
    Number of Employees
    250 - 499
    Average Hourly Rate
    $24/hr
  • Offering Exceptional Talent to Build Strong and Diverse Organizations.

    Offering Exceptional Talent to Build Strong and Diverse Organizations.

    SkillRecruit aspires to become the foremost trusted talent partner globally, dedicated to empowering individuals, fostering meaningful relationships, fortifying companies, and catalyzing societal transformation. With an unwavering commitment to excellence and integrity, we strive to redefine the landscape of...

    Top Services:

    • HR Outsourcing
    Location
    London, United Kingdom
    Number of Employees
    250 - 499
    Average Hourly Rate
    $60/hr
    Minimal Budget
    Under $1,000
  • Your Partner in Small Business Success Since 1966

    Your Partner in Small Business Success Since 1966

    PADGETT has been catering to the unique needs of small business owners across North America since 1966. With a comprehensive suite of services, including small business consulting advice, professional tax preparation, payroll solutions, bookkeeping, and more, we provide the support and expertise necessary for...

    Top Services:

    • HR Outsourcing
    • Accounting
    • Business Consulting
    • IT Services
    • Show more
    Location
    Manchester, United Kingdom
    Number of Employees
    250 - 499
  • SMEs' Premier Outsourcing Ally: Your #1 Choice

    SMEs' Premier Outsourcing Ally: Your #1 Choice

    Big Outsource, a leading BPO company, specializes in outsourcing solutions, from project-based services to virtual captive centers. Our expertise spans creative, technical support, and IT disciplines, making us your trusted partner for outsourcing excellence...

    Top Services:

    • BPO
    • Call Centers
    • Customer Support
    • Phone Answering Services
    • Accounting
    • Show more
    Location
    Staines-upon-Thames, United Kingdom
    Number of Employees
    250 - 499
    Minimal Budget
    $1,000 - $10,000
  • Global Talent Solution

    Global Talent Solution

    Established in 2007, Avance Consulting is a premier IT recruitment firm that collaborates with top Fortune 500 and global tech entities. Boasting a team of 700+ experts across key regions, we specialise in engineering, IT, and executive search. We have been awarded an ESG rating by EcoVadis...

    Top Services:

    • HR Outsourcing
    Location
    London, United Kingdom
    Number of Employees
    500 - 999
  • Guiding Your Financial Future With Confidence.

    Guiding Your Financial Future With Confidence.

    Buzzacott is a leading UK accounting firm based in London, offering tailored expertise to a diverse clientele. With over 600 professionals, Buzzacott provides comprehensive accounting and advisory services. Committed to client-centric relationships, Buzzacott blends experience with modern insights to deliver...

    Top Services:

    • Accounting
    • HR Outsourcing
    • Business Consulting
    Location
    London, United Kingdom
    Number of Employees
    500 - 999
  • Transforming Talent Into a Competitive Edge.

    Transforming Talent Into a Competitive Edge.

    Eightfold AI empowers organizations to recruit efficiently, retain top talent, and upskill/reskill their workforce. Operating in 155+ countries and 24 languages, our platform leverages advanced analytics to drive diversity and transform talent into a strategic advantage...

    Top Services:

    • HR Outsourcing
    • AI Development
    Location
    London, United Kingdom
    Number of Employees
    500 - 999
    Average Hourly Rate
    $40/hr
  • Building trust in society and solving important problems.

    Building trust in society and solving important problems.

    We’re a network of firms in 155 countries with over 284,000 people who are committed to delivering quality in BPO, project management, assurance, advisory, IT, and tax services...

    Top Services:

    • Market Research
    • BPO
    • HR Outsourcing
    • Accounting
    • Business Consulting
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    1000 & Up
  • Total Customer Delight

    Total Customer Delight

    Scicom (MSC) Bhd is a leading business process outsourcing (BPO) company that provides business consulting, information technology and outsourcing services in Malaysia...

    Top Services:

    • Call Centers
    • BPO
    • HR Outsourcing
    • Phone Answering Services
    • Digital Marketing
    • Show more
    Location
    Greater Manchester, United Kingdom
    Number of Employees
    1000 & Up
    Minimal Budget
    $10,000 - $25,000
  • Building A Better Working World

    Building A Better Working World

    EY offers Accounting, Business Consulting, and IT Services with a mission to build a better working world. It provides insights and quality services that instill trust in global capital markets and economies. EY focuses on developing exceptional leaders who deliver on their commitments to all stakeholders...

    Top Services:

    • Business Consulting
    • HR Outsourcing
    • Accounting
    • Cybersecurity
    • IT Services
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    1000 & Up
  • Your employee costs, re-imagined lower

    Your employee costs, re-imagined lower

    Kimon Services is a UK-based company specializing in cost-effective outsourced business admin solutions, including dedicated customer support, data entry, and back-office staffing. We offer managed offshore teams and Employer of Record (EOR) services tailored to client needs, helping businesses reduce costs...

    Top Services:

    • BPO
    • Customer Support
    • Accounting
    • HR Outsourcing
    • Phone Answering Services
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
  • Smarter Tech Real People Better Outcomes

    Smarter Tech Real People Better Outcomes

    ATM Group is a customer operations and revenue outsourcing company. We deliver contact centre outsourcing, revenue generation programmes, multilingual support and AI-enabled optimisation in the UK, Europe and South Africa...

    Top Services:

    • BPO
    • Call Centers
    • Phone Answering Services
    • HR Outsourcing
    • Customer Support
    • Show more
    Location
    Leicester, United Kingdom
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
  • IT, Business, BPO, Audit, Tax and Advisory are just the beginning.

    IT, Business, BPO, Audit, Tax and Advisory are just the beginning.

    Grant Thornton LLP (US) is an IT, project management, audit, tax, AgTech, and BPO company headquartered in Chicago, Illinois with over 50 U.S. offices and access to a global network or member firms in over 135 countries. We offer a broad range of services in strategy and consulting, operations, technology and...

    Top Services:

    • Accounting
    • Business Consulting
    • Market Research
    • HR Outsourcing
    • Software Development
    • Show more
    Location
    Manchester, United Kingdom
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
  • Empowering Your Accounting Decisions.

    Empowering Your Accounting Decisions.

    Crowe LLP is a global accounting firm offering audit, tax, advisory, and consulting services. With deep industry expertise, we empower businesses to make informed decisions for lasting value. Recognized as a top workplace, we leverage our partnership with Crowe Global to provide comprehensive solutions...

    Top Services:

    • Accounting
    • HR Outsourcing
    • Business Consulting
    • Market Research
    • BPO
    • Show more
    Location
    Birmingham, United Kingdom
    Number of Employees
    1000 & Up
  • Collaborating for Lasting Impact in Business Consulting

    Collaborating for Lasting Impact in Business Consulting

    Join us at Deloitte, where we believe that our collective influence is the cornerstone of our value. With a rich legacy spanning over 175 years and a global network encompassing 150 countries, we empower remarkable achievements, solve complex problems, and drive meaningful progress for clients, professionals...

    Top Services:

    • Business Consulting
    • Accounting
    • HR Outsourcing
    • Big Data Analytics
    • CRM Consulting
    • Show more
    Location
    Manchester, United Kingdom
    Number of Employees
    1000 & Up
    Portfolios Count
    6 Projects Listed
  • Together, we achieve more.

    Together, we achieve more.

    Offering project management, business, and IT services. At KPMG LLP, their purpose is to turn knowledge into value for the benefit of their clients, people, and the capital markets...

    Top Services:

    • Business Consulting
    • Market Research
    • Accounting
    • HR Outsourcing
    • IT Services
    • Show more
    Location
    Manchester, United Kingdom
    Number of Employees
    1000 & Up
  • Sensée is the award-winning leading provider of homeworking customer service staff in the UK. Feel free to message us with any questions!...

    Top Services:

    • BPO
    • HR Outsourcing
    • Customer Support
    Location
    London, United Kingdom
    Number of Employees
    1000 & Up
  • Capita is a transformation and digital services business, delivering innovative solutions and simplifying the links between businesses and customers, governments and citizens. We partner with clients to transform their businesses and services, taking on the complex and difficult things – so they don’t...

    Top Services:

    • BPO
    • Customer Support
    • Accounting
    • HR Outsourcing
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    1000 & Up
  • Serco is one of the world’s largest providers of public services to Governments, employing over 50,000 people in over 20 countries. The services we provide are often of critical importance to the communities and nations we serve...

    Top Services:

    • HR Outsourcing
    • BPO
    • Customer Support
    Location
    Hook, United Kingdom
    Number of Employees
    1000 & Up
  • Now, for tomorrow.

    Now, for tomorrow.

    Offering AgTech, Business, and IT Services. Baker Tilly Canada Cooperative is a member of the global network of Baker Tilly International Limited, the members of which are separate and independent legal entities. Baker Tilly Canada refers to the association of member firms of Baker Tilly Canada Cooperative...

    Top Services:

    • HR Outsourcing
    • Accounting
    • Business Consulting
    • Market Research
    • Cybersecurity
    • Show more
    Location
    Manchester, United Kingdom
    Number of Employees
    1000 & Up
  • Highest Standards. Trusted Results. Choose mselect.

    Highest Standards. Trusted Results. Choose mselect.

    mselect is a trusted provider of comprehensive workforce management and development solutions, specializing in Employer of Record services. With local market insights, strategic guidance, and legal and regulatory security, mselect offers clients staff recruitment, training, and logistical workforce support...

    Top Services:

    • HR Outsourcing
    Location
    London, United Kingdom
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $150/hr

Receive Free Proposals

For your project

1

Specify your budget, timeline and project requirements

2

Our experts curate a list of up to 5 most qualified candidate agencies

3

We connect you with them so you can choose the most suitable partner