CalcTree
A multi-disciplinary engineering calculation and workflow management platform
Sydney, Australia · Founded 2021 · $3.8M raised
- Headquarters
- Sydney
- Employees
- 11–50
- Founded
- 2021
- Business Model
- B2B
- Website
- calctree.com
- Total Funding
- $3.8M
- Last Round
- $3.8M Pre-SeedMay 2025
- Rounds
- 1
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 1 funding round and 5 investors for this company. The full record is or through the API.
About
CalcTree is a Sydney-based engineering calculation management platform that enables structural, civil, mechanical, and electrical engineers to create, automate, and collaborate on technical calculations in a single cloud workspace. The platform integrates with Excel spreadsheets, Python scripts, and external APIs, allowing teams to connect data sources, link parameters across projects, and build reusable calculation templates from existing IP. CalcTree AI, launched in 2025, generates fully editable calculation pages grounded in engineering knowledge with traceable reasoning. Founded in 2021 by Tim Rawling, Mahan Lamei, and Onur Ekinci, CalcTree raised $3.8M in pre-seed funding in 2025 led by Foundamental, Standards Australia, and Kungari.
Summary
CalcTree is a Construction Tech company based in Sydney, Australia, founded in 2021. It has raised $3.8M in total across 1 round, most recently a $3.8M Pre-Seed round in May 2025. Investors include Foundamental, Suffolk Technologies and Antler.
Tech & App Stack
8 technologies & apps tracked
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Funding History
May 2025
Investors
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