SIM Only for your business.

On a rolling 30 day contract for €20 ex-VAT per month.

Flexibility with SIM only. 
Our SIM only plan offers great value and flexibility for your business. For €20 a month per connection you can get unlimited calls and texts to any network and All You Can Eat Data. And our 30 day rolling contract means that you have no ties. Most importantly, our Business Support Team are there to give you peace of mind.

Youtube Cover Image
BYOD: Cut costs and increase flexibility with SIM-only

Unlimited calls to mobiles.


Unlimited calls to mobiles.

Unlimited calls & texts to Irish mobiles.

Unlimited calls to landlines.


Unlimited calls to landlines.

Unlimited calls to Irish & N. Irish landlines.

Free Three to Three Calls.


Free Three to Three Calls.

Talk to anyone on Three, for free.

All You Can Eat Data.


All You Can Eat Data.

The only operator to offer unlimited data on all our business tariffs.

What's Included?

Business SIM Only
Monthly Fee€20
No of mobiles2+
Unlimited calls & texts to Irish mobiles
Unlimited calls to Irish & N. Irish landlines
All You Can Eat Data
Three Like Home (Unlimited calls & texts to Ireland from participating Three networks abroad (incl. Three UK)*)
Free Three to Three calls
Free Voicemail
  • * Three networks abroad are Austria, Denmark, Hong Kong, Italy, Sweden and UK.

Free Three to Three calls.


Free voicemail and great value when you roam abroad.

We save your business money with free calls to other Three customers and free access to your voicemail. You can chat to workmates, clients or anyone on Three for as long as you like. And if you roam abroad, you’ll get the best value for calls and texts to Ireland on participating Three networks.

Request a Sales call now.

Request a Sales call now.

Speak to an advisor now on 1800 825 999.

If you are a business customer, please fill in the form below and your local Business Account Manager will call you within 24hrs for a no obligation discussion about your business mobiles. If you can't wait, you can call us on 1800 949 565.

Dedicated business support.

Our dedicated Business Support Team is always here to help you get the most from your Three mobile and answer any questions you have. The team is on hand from at: 1800944 833 8am to 8pm Monday to Friday, and from 9am to 6pm on Saturdays.

Mobile lost or stolen.

Don't worry, it happens to us all at some point. Just call 1800 944 833 (or 083 3333333) and our customer service team will block the lost/stolen number for you.

For technical faults.

Call our excellent Business Support Team free on 1800 944 833. We’ll carry out tech support over the phone and have you back up and running in no time.

Check your coverage.

Although we try to make these coverage results as accurate as possible, the information is indicative and doesn’t guarantee service availability in a particular location.


Your network just got better. Now reaching even the most remote parts of Ireland.

Our mobile broadband, voice and SMS services are now reaching even the most remote parts of the country. And with data speeds of up to 42 Mbs, we are making fast progress. We have just increased our 3G coverage even more and our planned LTE service will make things even faster.

Back to Top