Key facts
- A1 Media Group’s last known valuation is $28.8M (Mar 2018).
- It has raised $9.9M; the latest was Later Stage VC ($4.7M) in Aug 2025.
- Notable investors include SBI Investment, D.A.Consortium, Global Catalyst Partners Japan, eBay Ventures.
- Status: Privately Held (backing).
- ·The complete investor list — 4 names
- ·Watchlist + deal alerts for A1 Media Group
- ·The full record, as it builds
Funding rounds
No funding rounds for A1 Media Group are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About A1 Media Group
Developer of an advertising platform designed to facilitate internet advertisement and related work. The company's platform offers marketing consultancy media representation and advertisement technology, enabling businesses to resolve marketing problems through technical guidance and experience.
- Sector
- Business Products and Services (B2B)
- HQ
- Tokyo, Japan
- Founded
- 2016
- Employees
- 100
- Website
- a1mediagroup.jp/
- Ownership
- Privately Held (backing)
A1 Media Group 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 A1 Media Group 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 A1 Media Group in its N-PORT filings yet. We sweep new filings monthly.