How to Get the Best Business Mobile Deals from Three
Last Updated 10th of May 2025
4 minute readFinding great mobile deals for your business can feel tricky. But with the right guidance, you can get big savings and smart solutions from Three. We’re here to show you how to do it.
To get the best Business Mobile Deals from Three, compare plans on Three’s business website, use a broker to find hidden discounts, bundle with broadband for extra perks, and choose flexible contracts that match your company’s needs.
There’s more to getting the right deal than just picking a plan. From extra data to special business support, we’ll walk you through the full process to help you save money and work better with Three.
Looking for flexible and affordable mobile plans? Discover the best business mobile deals from Three. Get started below.
What are the Best Ways to Get Business Mobile Deals from Three?
Getting the best Business Mobile Deals from Three means knowing what’s out there, asking the right questions, and matching deals to your business needs. Whether you’re a startup or a growing team, there’s a deal that fits you.
Step 1: Check Three’s Business Website
The best place to begin is the official Three Business site. They have dedicated pages for business customers. You’ll find:
- SIM-only deals
- Phone contracts
- Data plans
- Multi-line discounts
Three updates offers regularly, so always check for the latest deals. Look for time-limited promotions like half-price for 6 months or free devices with certain contracts.
Step 2: Use a Telecom Broker or Comparison Site
If you want to save time and maybe get better prices, consider working with a telecom broker. They often have access to special rates you can’t find on the Three site. They can also explain the fine print.
Comparison sites like Uswitch, MoneySuperMarket, or Business Quote let you view deals side-by-side. They show:
| Deal Type | Features |
| SIM Only | Cheap, no phone included |
| Phone Contracts | Includes handset |
| Shared Data Plans | Good for teams, share data across users |
| Unlimited Data | Best for heavy internet usage |
Step 3: Bundle Services for More Value
Three offers bundles that include mobile, broadband, and even landlines. These can be cheaper than buying services one by one.
For example, a business bundle might include:
- 4G or 5G phone plans
- Business broadband
- Fixed IP or static IP address
- Priority customer service
This setup gives your business a smoother connection and one point of contact for help.
Step 4: Choose the Right Contract Length
Three offers flexible options:
- 12-month contracts: good for short-term needs
- 24-month contracts: cheaper monthly rates
- 30-day rolling contracts: cancel anytime
If you think your business will grow or change, go for a rolling or short-term deal. If you’re stable and want lower monthly fees, 24-month contracts may work better.
Understanding Business Mobile Deals from Three
Three offers a range of business mobile plans tailored to various needs. Whether you’re a sole trader or a large enterprise, there’s a plan designed for you.
SIM-Only Plans
Three’s SIM-only plans provide flexibility and cost-effectiveness. Here are some current options:
- 3GB Data Plan: £7.00 per SIM per month (24-month contract)
- 25GB Data Plan: £10.00 per SIM per month (24-month contract)
- 80GB Data Plan: £11.00 per SIM per month (24-month contract)
- Unlimited Data Plan: £17.00 per SIM per month (24-month contract)
These plans include unlimited UK calls and texts, with options for eSIM or physical SIM cards.
Multi-Line Discounts
For businesses requiring multiple lines, Three offers Boundless plans with tiered pricing:
- 3-9 SIMs: £11.00 per SIM per month
- 10-19 SIMs: £8.00 per SIM per month
- 20-50 SIMs: £7.50 per SIM per month
These plans provide unlimited UK data, calls, and texts, with additional options for international roaming.
Device Bundles
Three also offers device bundles for businesses:
- iPhone 16 Pro Max 256GB: £50 upfront, £45.00 per month (36-month contract)
- Samsung Galaxy S25 Ultra 256GB: £50 upfront, £45.00 per month (36-month contract)
These bundles include unlimited data, calls, and texts, providing a comprehensive solution for businesses.
What Are the Benefits of Three’s Business Mobile Deals?
Here’s why many businesses choose Business Mobile Deals from Three:
- Unlimited Data Plans: Three is known for offering real unlimited data—no hidden caps. This is perfect if your team works on the move or uses cloud tools all day.
- 5G Ready Phones and SIMs: Three’s 5G coverage is growing fast. If your staff need speed—especially for video calls or file uploads—Three’s network is a strong pick.
- Priority Support: Business customers get faster help. You’ll talk to agents trained to deal with business problems, not general issues.
- Data Sharing Across Staff: Got a small team? You can share one data plan across all users. This keeps bills simple and costs lower.
What Questions Should You Ask Before Choosing a Deal?
Before you sign up, ask these:
- How much data does my team need each month?
- Do we need new phones, or just SIMs?
- Will we use 5G now, or later?
- Are there any bundle options?
- What’s the contract length and exit policy?
These help you pick the right plan.
How Can I Save More with Business Mobile Deals from Three?
Here are smart ways to save more:
- Negotiate: Don’t accept the first offer—ask for discounts if you have multiple lines.
- Time your buy: Big sales often happen in March and September when new phones launch.
- Use old phones: Choose SIM-only deals if your team already has good phones.
- Refer a friend: Three sometimes offers rewards for referrals.
What If I Need to Change or Upgrade Later?
Three makes this easy. Many business plans allow:
- Upgrades after 12 months
- Adding more lines at any time
- Switching plans mid-contract (sometimes for a fee)
If your team grows or changes, you won’t be stuck.
What if I Need Help Choosing a Plan?
Don’t worry—help is available. Business support teams can explain:
- What plans fit your usage
- How billing works
- What upgrades or extras you can get
You can speak with them online, in-store, or by phone.
Ready to get started? Click the link below to compare Business Mobile Deals from Three and find your perfect plan today.
👉 Click below to view Three’s best business deals
FAQ
Can I get 5G with Three’s business plans?
Yes, most new business plans include 5G if it’s available in your area.
What is the cheapest business mobile deal on Three?
The lowest-cost deal is usually a SIM-only plan. Prices can start as low as £6 per month.
Does Three offer international business roaming?
Yes, some plans include Go Roam, which lets you use your phone in over 70 countries.
Can I keep my business number if I switch to Three?
Yes, you can transfer your existing number using a PAC code.
Are there contracts for freelancers or sole traders?
Yes, Three offers business plans even if you’re a one-person business.