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If you’ve been directly involved, tell us first and get leniency

Call us on 020 3738 6833

We can provide confidential guidance.

Get leniency. Avoid fines of up to 10% of your business’s global turnover, being disqualified as a director or even going to prison.


Learn about business cartels

Cartels are formed when businesses agree not to compete with each other. Price-fixing, bid-rigging and market-sharing are some of the most serious types of business cartels.

Business cartels are unfair. They cheat customers, who end up paying more for lower quality goods and services. That’s why they are illegal and it’s our job to investigate them.

That’s also why we are giving you useful information to safely report cartels. With your help, we can stop them.

Watch our short videos about anti-competitive behaviours, why they are illegal and why you should report them.

Learn why cartels are bad for the economy and how Competition Law helps businesses put their customers first.


How to spot if it’s a cartel

To help you assess if the information you have could lead to an investigation, follow 3 simple steps:

 

  1. Take our 2-minute Competition Law Quiz
  2. Use our Cartel Checker to quickly help you decide
  3. Read recent Case Studies of business cartels we’ve taken action on

Safely report illegal cartels

Find out how we investigate cases and protect the identity of complainants.

If you are still unsure, contact our specially trained officers using the details below.

If you’ve been directly involved, tell us first and get leniency

If you've seen it, report it. You could earn a financial reward

What is Price Fixing?

Price-fixing is a type of ‘cartel’ – a serious breach of competition law. It can lead to inflated prices and customers being overcharged.

 

  • Agreeing with a competitor what price you will charge your customers.
  • It can also include agreements not to sell below a minimum price, or simply agreeing not to undercut a competitor.

Watch our video about price fixing

What is Market Sharing?

Marketing share is when businesses agree with other businesses to share markets or customers. You’ll be breaking competition law if you agree with another business:

 

  • not to approach each other’s customers
  • not to compete with them for customers, for example in specific locations

Watch our video about market-sharing

What is Bid Rigging?

Bid-Rigging is a type of cartel where businesses discuss bids for a contract tender with their competitors. Bid rigging involves:

 

  • agreeing with your competitors how much you’ll bid for a contract or share information about your bid
  • taking turns to win contracts
  • asking other businesses to bid when they do not want the contract (called ‘cover bids’)
  • paying other businesses not to bid or when you win a tender
  • agreeing with other businesses not to bid or to withdrawing your bid

Watch our video about bid-rigging


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You can also get advice from Protect on raising a public interest concern.