About Us
Our Mission and Team
Gleesim is your reliable, future-focused partner for Business Mobile Contracts, M2M & IoT connectivity, and wireless communications including Unlimited Fixed IP and Unlimited MBB( 5G mobile Broadband).
As a leading independent reseller for O2, Vodafone, EE, Zest4, Jola and Plan.com, We deliver bespoke telecom solutions to small and medium-sized enterprises across Scotland and the UK Nationwide.
Whether you're looking to scale your mobile infrastructure, unify communications across borders, or reduce operational costs, Gleesim provides transparent, flexible, and strategic telecom guidance tailored to your business goals.
Why Choose Gleesim?
Our Mission and Our Team believes, One size doesn’t fit all- Gleesim believes in the ethos of providing Bespoke Communication Packages for Corporate & Enterprise customers within UK.
🔹 Tailored Business Mobile Contracts
We design scalable mobile solutions based on your specific business requirements—whether it’s unlimited 5G data, voice plans, or collaborative tools for mobile teams.
As an independent telecoms partner, we are not bound to any one provider. This enables us to offer unbiased advice and competitive pricing from all major UK networks.
🔹 M2M & IoT Connectivity Solutions
We specialise in Machine-to-Machine (M2M) and Internet of Things (IoT) mobile data SIMs that power connected devices with high reliability. Our solutions are ideal for logistics, smart metering, asset tracking, vehicle telematics, and remote monitoring.
🔹 One SIM, Multi-Country Coverage – UK | EU | USA
Simplify international operations with our single SIM solution, offering seamless mobile connectivity across the United Kingdom, European Union, and United States. Perfect for businesses with cross-border staff or devices operating internationally.
🔹 Unlimited Fixed IP SIMs
We offer secure, unlimited data Fixed IP SIM solutions, enabling remote access, VPN setup, or static IP addressing for business-critical applications. Reliable for CCTV, remote work, retail terminals, and more.
🔹 Transparent & Honest Consultation
We pride ourselves on clarity, integrity, and customer-first service. No hidden charges. No misleading terms. Just straightforward advice and dependable telecom expertise.
🔹 Serving Scotland & Nationwide UK
Based in Scotland, West Lothian, we serve clients across the UK, providing expert telecom strategy and network solutions that adapt to the evolving needs of SMEs—from urban tech hubs to rural enterprises.
Global Connectivity via Our Sister Company: Gleesim.com
Looking for international travel eSIMs? Our sister company, Gleesim.com, offers prepaid eSIM data plans for over 195 global destinations. Whether you're a business traveller, remote worker, or tourist, Gleesim.com provides cost-effective roaming alternatives that eliminate bill shock from traditional mobile networks.
From short trips in Europe to extended stays across Asia or the Americas, Gleesim.com makes global connectivity simple, secure, and affordable—with instant eSIM activation and 24/7 customer support.
Our Mission
To deliver reliable, scalable, and cost-effective business mobile contracts, IoT/M2M connectivity, and wireless consultancy to SMEs across the UK—powered by independent access to O2, Vodafone, EE and Plan.com, and underpinned by honesty and transparency.
Let’s Connect, Whether you're looking to:
Compare Business Mobile Contracts
Deploy IoT/M2M SIMs
Enable Fixed IP connectivity
Set up international mobile access with one SIM
Or explore global travel eSIM solutions via Gleesim.com
Gleesim is your trusted telecom partner.
📞 Contact us today on 0208 5182329 for a free consultation and let’s build the right wireless solution for your business.
Gleesim.co.uk - Business Mobile Contracts | IoT & M2M Connectivity | Fixed IP SIMs | Independent Reseller for O2, Vodafone, Three Business, EE & Plan.com
Smart, Secure & Scalable Wireless Solutions for SMEs in Scotland and the UK