Key facts
- It has raised $42.3M; the latest was Debt - General ($3.1M) in Feb 2025.
- Notable investors include 360 Capital, Aperiam Ventures, Naxicap Partners, Atempo Growth, Axio Capital — 10 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 10 names
- ·Watchlist + deal alerts for ID5
- ·The full record, as it builds
Funding rounds
No funding rounds for ID5 are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About ID5
Developer of a centralized identification synchronization platform intended to solve the problem of inefficiencies in website campaign performance. The company's platform decides which partners can and cannot synchronize cookies on their website, ensures privacy compliance and consent management across their ecosystem, and improves the page load time and the on-site user experience, enabling publishers, data providers, and other clients to operate efficiently and to enhance the value of their data and inventory.
- Sector
- Information Technology
- HQ
- London, United Kingdom
- Founded
- 2016
- Employees
- 80
- Website
- id5.io/
- Ownership
- Privately Held (backing)
ID5 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 ID5 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 ID5 in its N-PORT filings yet. We sweep new filings monthly.