Summation
Bellevue, US · Founded 2024 · 40 employees on LinkedIn · 2 known investors
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Summation provides an AI system, Addison, that connects to a company's financial data across ERPs, warehouses, and spreadsheets to produce verified, executive-ready financial reviews, decks, and analyses each cycle. It serves finance teams, operators, and analysts.
Founders & leadership
Summation was founded in 2024 by Ian Wong and Ramachandran R.

Investors · 2
How we know: Kleiner Perkins's portfolio page · a partner's Signal profile · funding news · geekwire.com · Not right? Tell us
How we know: a partner's Signal profile · funding news · geekwire.com · Not right? Tell us
Funding
SEC filings, press & company announcements- Undisclosed amountseed roundOct 2025
Benchmark (lead), Kleiner Perkins (lead)
Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
In the news
Frequently asked questions
- What does Summation do?
- Summation provides an AI system, Addison, that connects to a company's financial data across ERPs, warehouses, and spreadsheets to produce verified, executive-ready financial reviews, decks, and analyses each cycle. It serves finance teams, operators, and analysts.
- Who founded Summation?
- Summation was founded by Ian Wong, Ramachandran R in 2024.
- Who are Summation's investors?
- Summation's investors include Kleiner Perkins, Benchmark.
- Where is Summation headquartered?
- Summation is headquartered in Bellevue, US.

