Calculum
Miami, US · Founded 2020 · 27 employees on LinkedIn · 6 known investors
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Calculum is an AI-powered supply chain analytics platform that benchmarks, negotiates, and optimizes B2B payment terms with suppliers and customers to improve working capital, margins, and risk. It serves finance, procurement, and credit teams at large enterprises and was spun off from the University of St. Gallen.
Founders & leadership
Calculum was founded in 2020 by Oliver Belin.

Board
Investors · 6
How we know: Revolution's portfolio page · Not right? Tell us
How we know: funding news · refreshmiami.com · the VCSheet dataset · Not right? Tell us
How we know: funding news · refreshmiami.com · Not right? Tell us
How we know: funding news · refreshmiami.com · Not right? Tell us
How we know: funding news · refreshmiami.com · Not right? Tell us
Also in the syndicate · 1
Reported raises · per SEC filings
Form D private placements$5.6M disclosed across 2 rounds · 2023–2025
▶$1.4MraisedOct 2025 · 3 investors · OtherRule 506(b)
- Greg CarsonDirector
- Oliver BelinExecutive Officer, Director, Promoter
- Ian SheridanDirector
- Offering amount
- $2.8M
- Amount sold
- $1.4M
- First sale
- Oct 2025
- Incorporated
- Corporation, Delaware, 2020
- Federal exemptions
- 06b
▶$4.2MraisedFeb 2023 · 9 investors · Business ServicesRule 506(b)
- Eugene BuckleyExecutive Officer, Director
- Oliver BelinExecutive Officer, Director, Promoter
- Greg CarsonDirector
- Michael NugentDirector
- Offering amount
- $4.5M
- Amount sold
- $4.2M
- First sale
- Jan 2023
- Incorporated
- Corporation, Delaware, 2020
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
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In the news
Frequently asked questions
- What does Calculum do?
- Calculum is an AI-powered supply chain analytics platform that benchmarks, negotiates, and optimizes B2B payment terms with suppliers and customers to improve working capital, margins, and risk. It serves finance, procurement, and credit teams at large enterprises and was spun off from the University of St. Gallen.
- Who founded Calculum?
- Calculum was founded by Oliver Belin in 2020.
- Who are Calculum's investors?
- Calculum's investors include Revolution, Vestigo Ventures, Nevcaut Ventures, Rise of the Rest Seed, XBTO Humla Ventures.
- How much funding has Calculum raised?
- Calculum has disclosed $5.6M raised across 2 rounds.
- Where is Calculum headquartered?
- Calculum is headquartered in Miami, US.













