Three Unlimited 5G Business SIM – Calls, Texts & Roaming in 92 Countries

A business SIM on the Three network with unlimited UK calls, texts and 5G data, plus free roaming in 92 countries. It is a 24-month plan for UK businesses whose staff travel abroad.

What you get

• Network: Three UK
• Calls: unlimited calls to any UK mobile or landline
• Texts: unlimited texts to UK mobiles
• Data: unlimited 5G data in the UK
• Roaming: free roaming in 92 countries, including the EU, with a fair usage limit of 12GB a month
• Contract: 24 months

Free roaming countries

Albania, Andorra, Anguilla, Antigua and Barbuda, Argentina, Armenia, Aruba, Azerbaijan, Bahamas, Bahrain, Bangladesh, Barbados, Bermuda, Bonaire, Bosnia and Herzegovina, British Virgin Islands, Brunei, Burkina Faso, Cambodia, Cameroon, Canada, Cayman Islands, China, Curaçao, Northern Cyprus (Turkey), Côte d’Ivoire, Dominica, Dominican Republic, Ecuador, Egypt, Faroe Islands, Gabon, Georgia, Ghana, Greenland, Grenada, Guinea, Guyana, Haiti, Honduras, India, Jamaica, Japan, Jordan, Kazakhstan, Kenya, Kosovo, Kuwait, Kyrgyzstan, Liberia, Madagascar, Malawi, Malaysia, Mexico, Moldova, Montenegro, Montserrat, Morocco, Myanmar, Niger, Nigeria, North Macedonia, Oman, Pakistan, Paraguay, Qatar, Rwanda, Saba, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Saudi Arabia, Senegal, Serbia, Seychelles, Sint Eustatius, Sint Maarten, South Africa, South Korea, Suriname, Taiwan, Tajikistan, Thailand, Trinidad and Tobago, Tunisia, Turkey, Turks and Caicos Islands, Uganda, Ukraine, United Arab Emirates, Uzbekistan, Zambia.

Common questions

How much data can I use abroad?

Roaming in the 92 countries is free, with a fair usage limit of 12GB a month.

Do texts to landlines or abroad count as unlimited?

Unlimited texts apply to UK mobiles.

How long is the contract?

24 months.