Best UK Business SIMs & e-SIM Solutions | 5G, IoT, Multi-Network & More- Gleesim

Welcome to Gleesim, Your Trusted Partner for Business SIM Solutions, 5G Connectivity, Travel e-Sim and Perfect Global Communication!

Welcome to Gleesim – Your go-to provider for 5G Fixed IP SIMs, Multi-Network SIMs, IoT SIMs, CCTV Data SIMs, Travel eSim and Business e-SIMs in the UK, so guaranteeing smooth connectivity, unlimited data, and consistent communication for companies.

M2M & IoT Solutions

Power your devices with 5G Broadcast SIMs, UK Unlimited Data SIMs (Vodafone, EE, Three), IoT SIMs, Fixed IP SIMs, Multi-Network Fixed IP SIMs, EE M2M SIMs, Big Data SIMs. Experience for smart companies ultra-fast data solutions, safe connectivity, and flawless M2M communication.

Business Mobiles & SIM-Only Plans

Get the newest iPhone and Samsung business mobiles on contract with unlimited calls, messages, and high-speed 5G data. Explore our business SIM-only plans for flexible, affordable connectivity, ensuring flawless communication for UK companies.

Travel ESim Solutions

Stay connected worldwide with our Prepaid Travel ESims, offering instant activation, no roaming charges, and seamless coverage across 5G & 4G networks. Enjoy high-speed data with Vodafone, EE, and Three UK eSIMs, perfect for business travelers and tourists. Experience hassle-free, contract-free global connectivity with Gleesim’s best travel eSIM plans.

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Unlimited SIM & Smartphone Deals – Get iPhone & Samsung on Monthly Plans

Mobile Phones with SIM Plans

Looking for the best mobile phone contract in the UK? Get the latest iPhone or Samsung with an unlimited 5G SIM plan, including endless calls, texts, and high-speed data. Whether you need a personal plan or a business mobile contract, our flexible monthly packages make upgrading easy. Stay connected with top UK networks like Vodafone, EE, and Three, and enjoy the freedom of no upfront costs. With our SIM and phone bundle deals, you get the latest technology with hassle-free monthly payments. Order now and experience unlimited connectivity with 5G speed!
iPhone
Samsung
iPhone 16 Pro Max

iPhone 16 Pro Max + 5G Sim Plan

Get the latest iPhone 16 Pro Max with an Unlimited SIM Plan from gleesim.co.uk! Enjoy unlimited calls, texts, and ultra-fast 5G internet for seamless connectivity.

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iPhone 16 pro

iPhone 16 Pro + 5G Sim Plan

Get the latest iPhone 16 Pro with an Unlimited SIM Plan from gleesim.co.uk! Enjoy unlimited calls, texts, and ultra-fast 5G internet for seamless connectivity.

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iPhone 16

iPhone 16 + 5G Sim Plan

Get the latest iPhone 16 with an Unlimited SIM Plan from gleesim.co.uk! Enjoy unlimited calls, texts, and ultra-fast 5G internet for seamless connectivity.

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iPhone 15 pro max

iPhone 15 Pro Max + Unlimited 5G SIM

Get the latest iPhone with unlimited 5G data, calls & texts. No upfront cost, just easy monthly payments.

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iPhone 15 Pro

iPhone 15 Pro + Unlimited 5G SIM

Get the latest iPhone 15 Pro with unlimited 5G data, calls & texts. No upfront cost, just easy monthly payments.

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iPhone 15

iPhone 15 + Unlimited 5G SIM

Get the latest iPhone 15 Pro with unlimited 5G data, calls & texts. No upfront cost, just easy monthly payments.

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Exclusive Mobile Sim Only Plan

Business Sim only plan

Business SIM Only Plan(Three Network)

Get the Business SIM Only Plan on the Three Network with Unlimited Calls, Texts, and 5G Fast Internet for just £13.00/month. Perfect for seamless business communication.

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business sim only eu plan

Business SIM Only EU Plan - O2 Network

Get the Business SIM Only EU Plan on the O2 Network with Unlimited UK Calls & Texts, Free EU Roaming, 500 UK-to-EU Minutes, and 20GB 5G Fast Internet for just £16.00/month(Excl. VAT)

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Business Unlimited SIM Only Plan O2

Business Unlimited SIM Only Plan O2

Get the Business Unlimited SIM Only Plan O2 Network with Unlimited UK Calls, Texts & 5G Internet, Free EU Roaming, and 2000 UK-to-EU Minutes for just £24.00/month. Stay connected across the UK & EU

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Business Freedom Unlimited SIM Only Plan

Business Freedom Unlimited SIM Only Plan

Get the Business Freedom Unlimited SIM Only Plan with Unlimited UK Calls, Texts & 5G Internet, Unlimited Global Calls, and Unlimited Worldwide Roaming for just £60.00/month.

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