Gleesim: Scotland’s Premier Business Mobile Solutions Provider Delivering Nationwide Telecom Excellence

In a rapidly evolving digital landscape, business connectivity is not just a necessity—it’s a strategic advantage. Based in Livingston, West Lothian, Gleesim stands at the forefront of this transformation, proudly offering bespoke mobile contract solutions to businesses across the UK. As the only Scottish-based telecom provider officially partnered with all four major UK mobile networks—Vodafone, O2 (Telefónica), EE, and Three—Gleesim is uniquely positioned to serve the communication needs of SMEs, mid-sized firms, and large corporations with unmatched flexibility, transparency, and value.

📍 Proudly Scottish, Serving All of the UK

Headquartered in Livingston, Gleesim is deeply rooted in Scottish business values: reliability, innovation, and integrity. From Aberdeen to Brighton, Belfast to Birmingham, we deliver nationwide telecom solutions backed by local support and expert account management.

Our clients include:

Professional services firms
Logistics and transport operators
Retail chains
Construction and engineering firms
Public sector organisations
Tech startups and scale-ups

Whether your business has 5 employees or 5,000, Gleesim designs, negotiates, and manages business mobile contracts that scale with your growth.

🔗 Full Network Flexibility – One Partner, All Four Networks

Gleesim is proud to be one of the only Scottish-based B2B resellers with full access to Vodafone, EE, Three, and O2 Telefonica. This gives our clients:

Access to SIM-only plans on the network that best fits your usage and geographic coverage
12–24 month contracts tailored to your operational timelines
The flexibility to mix and match networks across your organisation
The convenience of a single point of contact for multi-network account management

No more juggling multiple vendors or being locked into sub-optimal network contracts. Gleesim simplifies and unifies your mobile estate.

📊 Bespoke Plans for Modern Businesses

We understand that no two businesses are the same. That’s why Gleesim offers:

Custom SIM-only packages with data pools and voice minutes tailored to your team
Mobile device management (MDM) integration for security-conscious clients
Unlimited data or shared data bundles for departments or field teams
Fixed IP solutions for IoT and M2M operations
Add-on roaming bundles for international business travelers

Our telecom consultants work closely with each client to ensure the optimal balance of cost-efficiency, performance, and scalability.

💼 One-Stop Business Mobile Contract Management

With Gleesim, businesses benefit from:

A dedicated account manager
Monthly usage analytics and reporting
Centralised billing for all networks
Contract reviews and upgrades tailored to market trends
Fast response customer support based in Scotland

We don’t just provide SIMs—we strategically manage your mobile infrastructure to help reduce costs, avoid overages, and support business continuity.

🌐 Telecom That Grows With Your Business

Whether you're a local trades business expanding into new regions or a national enterprise with multiple branches, Gleesim is ready to support your journey. We offer scalable telecom solutions to:

Support remote workforces
Enable fleet and field connectivity
Deploy smart devices with fixed IP SIMs
Optimize data usage across distributed teams

Our mission is simple: deliver intelligent, efficient mobile contracts that empower UK businesses to communicate better, work smarter, and grow faster.