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Over 90 sites now have network

No more dropped business

We’re the UK’s leading indoor mobile signal service provider. Trusted by all four UK mobile network operators, we solve the problem of poor in-building mobile coverage with a service that is bespoke to our customers’ needs.

Whether a large or smaller building, public or private use, commercial or residential, we ensure that anywhere people work and play, everyone indoors has network.

Think of us as a utility provider. Billed monthly, you’ll get an end to end mobile connectivity service that suits you and your buildings today, while factoring in the technology of tomorrow.

We’re radio frequency experts that design and connect 3G/4G services, while understanding how to be 5G ready. With us, people don’t need to use anything less secure than carrier grade networks to communicate indoors.

Our 24/7 monitoring platform and specialist engineering team mean that your mobile connectivity is proactively managed. We will often know if there’s a problem before you do and 99% can be fixed remotely.

Join the growing number of businesses and public service providers putting mobile connectivity first for their employees and tenants.

With StrattoOpencell: you’ve got network

Managed sites


Vodafone company logo.

“Vodafone have been working with StrattoOpencell since 2015 with excellent results. Small cells are a key part of our strategy going forwards and we encourage innovations like this, it is fantastic to see a business open up a new route to market and service in our industry”

Kye Prigg

Head of Mobile Networks, Vodafone UK

Telefonica company logo.

“Telefonica embraces new technology and innovation and love the solution brought by StrattoOpencell, we are looking forward to further developments in small cells and are sure these will play a vital role in our future network development.”

Brendan O’Reilly

CTO Telefonica UK

EE company logo.

“At EE we want our customers to have excellent connectivity wherever they are. StrattoOpencell demonstrate an excellent design, build and operational capability, which is vital for us when deploying our network connectivity into buildings.”

Tom Bennett

Director, Technology Services, Devices and Labs, EE & BT

Three company logo.

“Our goal is to eliminate mobile blackspots. We have chosen to partner with StrattoOpencell to provide deep indoor coverage into buildings, enabling our customers to make calls in places they have not been able to do historically.”

Bryn Jones

CTO Three UK

News & views

iWireless Solutions join our UK Digital Infrastructure family

  Today we’re excited to announce that iWireless Solutions join StrattoOpencell as part of  Digital Colony’s UK Digital Infrastructure Platform. Bringing industry-leading outdoor small cell expertise and capabilities, we’re now able to ensure that even more people have network. Digital Colony’s UK Digital Infrastructure Platform Acquires iWireless Solutions iWireless Solutions Joins Growing Digital Infrastructure Platform, Adding Outdoor Small Cell […]

29 April 2019

Once again named a G-Cloud supplier, we help public sector services stay connected

For the second year in a row, we have been named a G-Cloud supplier, allowing us to continue to provide reliable indoor network solutions to government and public sector organisations. The G-Cloud framework has been designed to allow SMEs to compete for contracts that were once reserved only for the elite – easing commercial access […]

23 November 2018

Opencell and Stratto partner to combine forces and expertise driven by Digital Colony

Today we’re excited to announce that Opencell and Stratto are now united under the stewardship of digital infrastructure investors, Digital Colony. Together we will connect more, and even bigger, buildings to reliable mobile signal, continuing to ensure that everyone indoors has network.   Digital Colony’s U.K. Digital Infrastructure Platform Expands In-Building Wireless Capabilities with the Acquisition of Opencell   Opencell is an […]

5 November 2018


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