Key facts
- ONSI’s last known valuation is $41.2M.
- It has raised $35.0M; the latest was Later Stage VC ($12.4M) in Nov 2024.
- Notable investors include FJ Labs, NFX, Prosus Ventures, Redbus Ventures, Delin Ventures — 14 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 14 names
- ·Watchlist + deal alerts for ONSI
- ·The full record, as it builds
Funding rounds
No funding rounds for ONSI are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About ONSI
Developer of an insurance and benefits platform designed to give workers access to a full range of life protections and benefits. The company's platform offers benefits such as sick pay, family leave, a guide to savings, and mental health support, enabling clients to reduce churn and talent acquisition costs.
- Sector
- Financial Services
- HQ
- London, United Kingdom
- Founded
- 2019
- Employees
- 55
- Website
- onsi.com/
- Ownership
- Privately Held (backing)
ONSI doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in ONSI shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on ONSI in its N-PORT filings yet. We sweep new filings monthly.