The first company has moved into Gloucester’s The Forum.
Fasthosts opened its doors to staff and dignitaries as part of an official opening of the £107m state of the art building on Wednesday.
The landmark new building will provide premium office space, retail space, restaurants, a Hotel Indigo (IHG Hotels) and a rooftop bar.
Fasthosts was founded in the city in 1998, before achieving international success and being acquired by German-based IONOS in 2006.
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Gloucester Mayor Lorraine Campbell cut the ribbon during a ceremony attended by Gloucester MP Alex McIntyre and City Council Leader Jeremy Hilton.