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Mobile SIMs | Windsor & Berkshire

SIM Only Packages for Business

SIM only packages for Windsor businesses that already own their phones. Choose the contract length, minutes, texts and data each user needs, with 4G and 5G as standard, no handset to pay off and every line on one monthly bill.

Get a SIM only quote

Business SIM only

Keep the Handsets You Already Own

A business SIM only plan gives each phone a SIM card and an allowance, with no handset built into the price. You stop paying off hardware and pay only for what each person needs.

Our plans let you choose how long the contract runs and exactly how many minutes, texts and how much mobile data each user gets. Start on a 1 month plan you can cancel at any time, or pick a longer term, and scale data up to unlimited.

We post each SIM card to the address you choose, or email a mobile SIM QR code so staff can get connected without waiting for the post.

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Business SIM cards and smartphones ready to set up on a desk in a Windsor office

What is included

Every SIM Plan Comes With the Basics Covered

Whatever network and allowance you choose, these features come as standard on our SIM only deals for business.

  • Unlimited calling

    Packages start with unlimited calls, unlimited texts and 2GB of mobile data, so sales staff and site teams can ring customers without counting the minutes.

  • Data from 2GB to unlimited

    Pick 5GB, 10GB, 15GB or 20GB for each user, or go unlimited for people who work on the road. There are no speed caps, so the data you buy runs at full pace.

  • 5G at no extra cost

    Every plan includes 5G, 4G and 3G at no extra cost, and tethering is unrestricted in the UK, so a phone can share its connection with a laptop on the move.

  • EU roaming

    EU roaming is included. International calling plans and global roaming packages can be added to any SIM for a small extra cost per line.

Who it suits

Which SIM Only Plan Suits Your Whole Team?

People use their phones in different ways. Here is how businesses around Windsor and Berkshire tend to set up their SIM only lines.

  1. SL4

    Shop counters

    Staff need calls and texts more than data, so a small plan per phone works.

  2. SL1

    Trades in vans

    Engineers on the M4 and M25 tether laptops to their phones, so they need bigger data.

  3. SL6

    Desk-based teams

    Desk staff on office Wi-Fi rarely use much mobile data, so 5GB or 10GB is often enough.

  4. TW20

    Directors abroad

    Frequent travellers use the EU roaming on their plan or add a global package before trips.

Why use us

One Supplier, One Bill

Buying SIMs through your IT company means the team that sets up your laptops and email also orders your mobiles, so a new starter's phone and laptop can be ready together.

Your mobile lines sit on the same monthly bill as any broadband, leased line or cloud phone services you have with us, and our Windsor team answers the phone.

  • 1 month plans you can cancel at any time, or longer terms
  • No credit check needed to get your SIM cards started
  • Standard, micro and nano SIM sizes to fit your existing phones
  • Unrestricted UK tethering for laptops and tablets on the road
  • International calling plans for staff who ring abroad
  • Support by phone from our Windsor team, whatever network

Making the switch

How to Switch Your Phones to SIM Only

Switching to SIM only is simple, and you keep your existing mobile numbers. We plan the change so no one is cut off.

  1. Tell us your team

    Send us how many lines you need and roughly how each person uses their phone, and we suggest minutes, texts and data for each one.

  2. Choose contract terms

    Choose a 1 month plan you can cancel at any time or a longer contract, and see the monthly cost of every line before you agree to it.

  3. Receive your SIMs

    We post the SIM cards to your chosen address or email a QR code for each eSIM, and move your numbers across when you switch.

  4. Changes and support

    Need another line, more data or roaming for a trip? Call our Windsor team and we update the plan for you the same way.

Get a SIM only quote

Before you sign up

What to Look at in a Business SIM Only Contract

SIM only deals for business can look alike on price, so here is what to check before you commit, whether you run five phones in Windsor or fifty across Berkshire.

  • Contract length matters more than it looks. A 1 month plan keeps you flexible if your headcount changes often.
  • Count how much data each person really uses before you buy, as office staff on Wi-Fi often need very little.
  • Check that 5G comes as standard and is not sold as an extra on each line of your contract.
  • Look for plans with no speed caps, so the data you pay for is not slowed during the busiest part of the day.
  • Ask whether tethering is allowed, as staff working from cars and client sites rely on it.
  • Find out what roaming costs. EU roaming is included on our plans, with global packages on request.
  • Make sure each phone takes the right SIM size, or ask for an eSIM sent by email instead.
  • Mobile phone contracts with a handset cost more each month, as you are paying off the phone.
  • Keep every line on one bill, so finance can see who uses what without chasing receipts.
  • Know who to call when a SIM is lost or a phone stops working, and how a replacement SIM reaches you.

Allowances and offers change through the year, so we confirm the current options before you sign any SIM only contract.

Frequently asked questions

Business SIM Only Questions From Windsor Companies

What exactly is a business SIM only plan?

It is a mobile contract that covers the SIM card and its allowance of minutes, texts and data, but not the phone. You use handsets you already own or buy outright, so the monthly cost covers only the service each person needs.

How long does a SIM only contract last?

You choose. Our plans start with a 1 month plan you can cancel at any time, which suits seasonal staff and growing teams, and you can also pick a longer term. Either way, you set the minutes, texts and data on each line to match how that person works.

Can we keep our existing mobile numbers?

Yes. Moving to a new plan does not mean new numbers. You ask your current network for a PAC code for each number, and we use it to move that number onto the new SIM, so customers keep calling the same mobile.

Is there a credit check for business SIM only deals?

No. Our SIM only packages need no credit check, so a new company or a sole trader in Windsor can get lines set up quickly, with each SIM posted to your address or an eSIM QR code sent to you by email.

Do your SIM only plans include 5G data?

Yes. Every plan includes 5G, 4G and 3G as standard at no extra cost, with no speed caps. Coverage depends on the network and where you work, so tell us where your team goes and we suggest a network.

Can staff use their SIM abroad?

Yes. EU roaming is included. For travel further afield, we add global roaming packages and international calling plans for a small cost per SIM.

SIM only or a handset contract?

If your phones work well, SIM only keeps the monthly cost down. If staff need new handsets, we can also supply business mobiles on a contract with the phone included in the price.

Can we add more lines as the team grows?

Yes. Call us to add a line, raise a data allowance or add roaming, and the change shows on the same monthly bill. We set up anything from 1 line to over 1,000.

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Get in touch

Talk to Our Business Mobile Team in Windsor

Tell us how many phones you have and how your team uses them, and we will suggest the right SIM only plan for each line. Call 01753 255436, email hello@windsoritsupport.co.uk or send us a message and our mobile team will reply soon.

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