Arena Seating signed an initial three-year agreement with Saracens RFC to design and instal three different grandstands at the sporting venue.
The £24m development at the north London ground includes an artificial pitch and running track. Arena’s demountable seating enables the track to be used at the end of the rugby season.
Dave Withey, sales director at Arena Seating, said: "We are proud to have worked with Saracens on developing a stadium with this range of seating options and arrangements to create a flexible model for the rugby and sporting clubs that enhance their spectator viewing experience and optimise ground capacity."
The north and south ends of the stadium have standalone seating with just over 1,000 seats each.
During the summer these seats will be transferred to the Honourable Artillery Company for the Saracens in the City matches on 16 May and 22 August.
The east stand seats more than 1,500 people using Arena’s new Clearview system, and is a permanent feature in Allianz Park.
While Saracens bought the seats in the other three stands, they have rented the 2,300 set up in the permanent west stand. These will return to Arena’s rental stock for the summer.
Edward Griffiths, chief executive of Saracens, said: "Arena Seating has provided outstanding advice and counsel, beyond simply the demountable seating.
"There were many challenges in the development of Allianz Park and Arena representatives played an important role within the team that addressed these challenges and created a stadium that is attractive, flexible and above all, fun."
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