Founder, CalcTree

Tim Rawling

Roles

Role	Organisation	Sources
Founder	CalcTree	SmartCompany (30 May 2025), Startup Daily (28 May 2025), SmartCompany (28 May 2025), Startup Daily (15 Dec 2021)

Coverage

Stories naming Tim Rawling. Where several outlets covered the same round, they are bundled under whichever ran the fullest account.

Pre-seed $3.8m

CalcTree secures $3.8 million with first startup investment from Standards Australia

Engineering software startup CalcTree has banked a $3.8 million pre-seed round, drawing backing from the national standards body's investment arm Kungari plus Antler, Suffolk Technologies and Foundamental.

SmartCompany 28 May 2025 CalcTree Archistar Arup Aurecon Autodesk Bentley Jacobs Plaxis Antler Australia Foundamental Kungari Standards Australia Suffolk Technologies Adam Stingemore Mahan Lamei Onur Ekinci Tim Rawling

Also Startup Daily·SmartCompany·Forbes Australia

Funding announcement

A numbers game: CalcTree is helping engineers reduce the risk of calculation errors

Profile of construction technology startup CalcTree, founded by three engineers, whose platform connects engineering designs and calculations; the article covers its product aims and credits Antler's early investment and strategic guidance.

Startup Daily 15 Dec 2021 Antler Australia Arup CalcTree Jacobs Lendlease Mahan Lamei Onur Ekinci Tim Rawling

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