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Organisations need someone to organise them. That's the job of the Three Assist team. Together, our PAs and Administrators bring their meticulous planning, attention to detail and flexible thinking to heaps of projects – and help make sure everything runs like clockwork.

They help the teams at Three run the business. This means organising everything from staying on top of day-to-day administration, to getting involved in team strategy and company-wide objectives. So there's plenty of opportunity to make your mark.

Our in-house training courses will help you develop your considerable talents. And, if you have the right attitude, together with the technical and organisational skills these roles demand, you could go a long way.

View all Support and Administration jobs.

Where you could be Working.

Take on a Head Office role, and you’ll be in one of the places we call home.

It’s great having more than one base. It means ideas can come from any corner of the business. And we’re biased, but these are pretty fab and accessible places. We have people from all over the country who travel to and from our locations.

Picture of Maidenhead.


You can get here quickly and easily from all over the region. It’s just off the M4, close to the M40 and there are plenty of rail services – with Crossrail to come. We’re right on the Thames too.

Picture of Reading.


Reading has been attracting major brands and businesses for many years. It’s got lots going for it as a place to live now too, while getting here couldn’t be easier, by road or by rail.

Picture of Glasgow.


You’ll find us right in the middle of the City centre, ideal for a quick coffee or a lunch. Glasgow is a serious cultural metropolis, with convenient trains services station and plenty of buses to get you to and from our offices.

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