Are umbrella companies illegal?

Related questions

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4. Is Sole trader better than limited company?
5. How did Alice lose her powers?
6. What is the difference between an umbrella company and a limited company?
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10. When was the umbrella corporation founded?

Tags

1. #workers
2. #contributions
3. #employers
4. #illegal
5. #rules
6. #revenue
7. #completely
8. #umbrella
9. #abuse
10. #however
11. #spokesperson
12. #companies
13. #insurance
14. #cracks
15. #national
16. #legal
17. #customs
18. #majesty