Key facts
- Interface Polymers’s last known valuation is $24.0M (Mar 2023).
- It has raised $20.8M; the latest was Later Stage VC ($4.0M) in Sep 2025.
- Notable investors include Innovate UK, 24Haymarket, Evonik Venture Capital, GC Ventures, Relton Capital — 11 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 11 names
- ·Watchlist + deal alerts for Interface Polymers
- ·The full record, as it builds
Funding rounds
No funding rounds for Interface Polymers are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Interface Polymers
Manufacturer of polymer additives intended to modify the surface properties of commodity plastics such as polyethene and polypropylene. The company's range of customizable co-polymer additives can be easily incorporated into existing processes without major changes to equipment, enabling the automotive, packaging, and recycling sectors to improve cost savings and performance.
- Sector
- Materials and Resources
- HQ
- Loughborough, United Kingdom
- Founded
- 2016
- Employees
- 16
- Website
- interfacepolymers.com/
- Ownership
- Privately Held (backing)
Interface Polymers 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 Interface Polymers 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 Interface Polymers in its N-PORT filings yet. We sweep new filings monthly.