Wates is to deliver office space in the South-west for HMRC and Dyson.
The contractor was awarded the £33m 3 Glass Wharf scheme in Bristol (pictured).
Property firm Salmon Harvester is creating the 15,000 sq m project for occupation by HMRC.
A site team has been deployed. Work will take 100 weeks and include speculative retail space on the ground floor as well as basement car parking.
Wates, which has an office in Basingstoke, was also made preferred bidder for a job to refurbish technology firm Dyson’s head office in Wiltshire.
The 13,700 sq m finished building will include raised floors and mezzanine levels, meeting rooms, research and development labs and workshops.
Work is expected to commence in March.
Wates is also currently working on the Julia’s House Children’s Hospice in Wiltshire.
Wates Construction director for Southern, Home Counties & South-west Peter Whitmore said: “Building upon our regional project base presents us with a great opportunity to use our work to invest in the regional economy through our local supply chain partners.”