Playbook 1: The Employment Status Playbook
Defining the Relationship — Employee, Worker & Independent Contractor
Summary: This playbook examines the foundational question of employment status — distinguishing employees, workers, and independent contractors under common law. It covers the control test, the economic reality/multiple factor test, the integration test, and emerging challenges in the gig economy. Key cases include Uber BV v Aslam, Royal Mencap Society v Tomlinson-Blake, and Copperbelt University v Akombelwa.
Chapter 1 — The Importance of Employment Status
1.1 Why Status Matters – Statutory Protections, Vicarious Liability, and Tax Implications
Employment status determines an individual's entitlement to a range of statutory protections and obligations. Most employment law uses the definition of employment status set out in section 230 of the Employment Rights Act 1996, which creates three categories:
- Employees who work under a contract of service — enjoy the full range of employment rights
- Workers who are self-employed but provide their services as part of a business carried out by someone else — have a limited set of rights, like the National Minimum Wage and holiday pay
- Self-employed who carry out business on their own account — have no employment rights
Trade union law and equality law use slightly different definitions. Tax law, by contrast, only has two categories: 'employee' and 'self-employed'.
1.2 The Consequences of Misclassification
Misclassification can have significant consequences for both employers and workers. The EU Platform Work Directive, adopted in March 2024, introduces a rebuttable legal presumption of employment status for platform workers, effectively shifting the burden of proof to employers to demonstrate that workers are genuinely independent contractors.
At the international level, the International Labour Organization adopted the Decent Work in the Platform Economy Convention in June 2026 — the world's first binding agreement setting out employment standards for digital platform workers. The protections include an end to misclassification, enforcement of minimum wage requirements, and obligations including healthcare, sick leave and social security contributions.
Chapter 2 — The Control Test
2.1 Historical Development — The "Right to Control" as the Foundational Test
The control test is the oldest of the common law tests for determining employment status. It focuses on whether the employer has the right to control not only what work is done but also how it is done. Oxford Law Trove identifies the control test as one of the three common law tests that have been used to determine employee status.
2.2 Modern Application — Control over When, Where, and How Work is Performed
The control test has evolved to consider whether the employer controls the manner in which the work is performed, not just the result. In Copperbelt University v Akombelwa, the High Court of Zambia held that an employee could not work for two employers at the same time during normal working hours.
The court in that case established that employees are bound not to work for another employer or for themselves during working hours. This principle reinforces the employer's right to control the employee's time and attention during the employment relationship.
Chapter 3 — The Economic Reality / Multiple Factor Test
3.1 Beyond Control — The Shift to a Holistic Assessment
The economic reality test (also referred to as the "fundamental test" or "business test") examines the practical realities of the economic relationship between the parties rather than scrutinising in detail the terms on which the individual is formally engaged.
As described in New Zealand jurisprudence, "the level of economic dependence of one party upon another, and the manner in which that economic dependence may be exploited, will always be relevant factors in the determination whether a particular contract is one of employment."
3.2 Key Factors Considered by Courts and Tribunals
The courts have identified a range of factors in applying the economic reality test:
- Right of control and direction — the extent to which the employer dictates how work is performed
- Integration into the employer's organisation — whether the individual is part of the business or an accessory to it
- Financial risk and opportunity for profit/loss — whether the individual has risked their own capital
- Provision of tools and equipment — whether the employer or the worker provides the necessary tools
- Exclusivity of service — whether the worker is permitted to work for others
As Blair J observed in McMillan Holdings Limited v Auckland Clerical Workers Union, "The correct approach is to look broadly at the whole transaction and apply the various tests which the Courts have from time to time suggested should be used in deciding the category in which the particular workers should be."
3.3 The Legislative Codification Approach
Some jurisdictions have legislatively codified the approach to determining employment status. In New Zealand, the Employment Contracts Act 1991 first defined "employee" as "any person of any age employed by an employer to do any work for hire and reward," and included homeworkers and persons intending to work within the definition.
This legislative approach reflects the broader trend toward codifying the factors that courts consider at common law, providing greater clarity for both employers and workers.
Chapter 4 — The Integration Test
4.1 Integration into the Employer's Business Structure
The integration test examines whether the individual's work is an integral part of the employer's business. As Lord Denning famously stated, a person is an employee if they are "part and parcel" of the organisation.
However, the test has limitations. As one commentator notes, "there are some genuine independent contractors, such as IT specialists, whose work is often integral to the business of an organisation. In such cases, the Integration Test is of little assistance in determining whether an individual is an employee or not."
4.2 Presentation to Customers and Suppliers
Courts also consider how the individual presents themselves to customers and suppliers. Factors include whether the individual uses the employer's branding, uniforms, or stationery, and whether the individual is held out to third parties as an employee or as an independent business.
Chapter 5 — Worker Status in the Gig Economy
5.1 Emerging Challenges – Platform Work and the Gig Economy
The rise of digital labour platforms has challenged traditional notions of employment status. Gig economy firms have sought to maintain the control associated with "employee" status while avoiding its attendant costs by classifying workers as independent contractors.
As the Harvard Law Review notes, "classifying particular relationships has always been a murky and fact-specific exercise, but gig-economy firms, which have sought to maintain the control associated with 'employee' status while avoiding its attendant costs, have posed distinct challenges."
5.2 Uber BV v Aslam – The Supreme Court's Landmark Decision
In Uber BV v Aslam [2021] UKSC 5, the UK Supreme Court held that Uber drivers were not independent contractors but "workers" entitled to the National Minimum Wage and holiday pay. The Court found that Uber exercised significant control over the drivers, including setting fees, allocating trips, setting routes, and restricting contact between drivers and passengers.
Significantly, the Court held that drivers are "working" whenever they have the app switched on in the area covered by their license, because while the app is on, drivers must accept a certain percentage of trips. The Employment Tribunal had called Uber's contractual arrangements "a fiction," and the Supreme Court agreed, finding that the drivers were "subordinate and dependent" on Uber's business.
5.3 Implications for Other Platform Businesses
The Uber decision has potentially radical implications for the law relating to employment status. The Court's approach — starting with the statutory purpose and examining the economic reality of the relationship — suggests that courts may be able to look through complex contractual arrangements to identify the true employer.
As noted by Devereux Chambers, "the finding that the drivers must be classed as workers is part of a wider trend of decisions rejecting arguments that platform workers fall outside the regulatory scope of employment law." However, questions remain, particularly regarding substitution clauses — in 2018, the High Court held that Deliveroo riders were not workers as they could send substitutes.
Chapter 6 — Key Case Clips: Status Disputes
⚖️ Uber BV v Aslam [2021] UKSC 5 — Employment Status of Uber Drivers
The UK Supreme Court held that Uber drivers are "workers" entitled to the National Minimum Wage and holiday pay. The Court found that Uber exercises significant control over drivers — setting fares, allocating trips, and restricting communications with passengers. The decision established that courts should examine the economic reality of the relationship, not just contractual documentation.
⚖️ Royal Mencap Society v Tomlinson-Blake [2021] UKSC 8 — National Minimum Wage and Sleep-in Shifts
The Supreme Court ruled that care workers on sleep-in shifts are only entitled to the National Minimum Wage for the time spent performing work tasks or awake for that purpose, and not for time spent asleep. The Court held that sleep-in shifts are to be treated as "availability for work" only, not as working time itself.
⚖️ Stoffel & Co v Grondona [2020] UKSC 42 — Illegality Defence in Employment Claims
The Supreme Court clarified the modern approach to the illegality defence in negligence claims against solicitors. Ms Grondona had engaged in mortgage fraud by falsifying information to secure a loan, but the Court held that she was entitled to bring her claim against her solicitors for their negligent failure to register the charge. The Court applied the flexible three-tiered approach from Patel v Mirza, balancing the purpose of the prohibition against other public policies.
⚖️ Copperbelt University v Akombelwa [2013] ZMHC 1 — Employee Loyalty and Working for Two Employers
The High Court of Zambia held that an employee could not work for two employers at the same time during normal working hours. The court established that employees are bound not to work for another employer or for themselves during working hours, reinforcing the employer's right to control the employee's time and attention during the employment relationship.
FAQ
What is the difference between an employee, a worker, and a self-employed person?
Under section 230 of the Employment Rights Act 1996, an employee works under a contract of service and enjoys the full range of employment rights. A worker is self-employed but provides services as part of someone else's business — they have limited rights like the National Minimum Wage and holiday pay. The self-employed carry out business on their own account and have no employment rights. Tax law has only two categories: 'employee' and 'self-employed'.
House of Commons Library
What is the control test in employment law?
The control test is the oldest common law test for determining employment status. It asks whether the employer has the right to control not only what work is done but also how it is done. Modern applications consider control over when, where, and how work is performed. In Copperbelt University v Akombelwa, the court held that an employee could not work for two employers during normal working hours.
Oxford Law Trove
What did the Uber Supreme Court decision decide?
In Uber BV v Aslam [2021] UKSC 5, the Supreme Court held that Uber drivers are "workers" entitled to the National Minimum Wage and holiday pay. The Court examined the economic reality of the relationship and found that Uber exercised significant control over the drivers, including setting fares, allocating trips, and restricting communications. The Court held that drivers are "working" whenever they have the app switched on in the area covered by their license.
Harvard Law Review
References
House of Commons Library — Uber at the Supreme Court: Who is a worker? (2021)
Harvard Law Review — Recent Case: Uber BV v. Aslam (2021)
Marson, J. & Ferris, K., Business Law, 6th Ed. — Oxford Law Trove
New Zealand Journal of Employment Relations — Independent Contractor vs. Employee (2011)
Copperbelt University v Akombelwa (2013) — Course Hero
Devereux Chambers — After Uber: Purposive Interpretation and the Future of Contract
EU Platform Work Directive — Mondaq (2026)
UN adopts treaty setting standards for gig economy workers — Al Jazeera (2026)
Royal Mencap Society v Tomlinson-Blake — Herbert Smith Freehills
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