Ad Shield
Jersey City, US · Founded 2024 · Delaware corporation · 23 employees on LinkedIn · 2 known investors
Ad-Shield provides technology that helps open web publishers and ad management companies recover ad revenue lost to adblockers ("dark traffic"), turning blocked impressions into measurable revenue. Founded by former adblocker developers, it focuses on the online advertising and media ecosystem.
Founders & leadership
Ad Shield was founded in 2024 by Joon Yu.
JY
Joon YuinFounder · Co-CEO
DJ
Dong Jun ChaNamed on SEC filing
JR
Joowon RyooNamed on SEC filing
KS
Kim SeojoonNamed on SEC filing
Investors · 2
Reported raises · per SEC filings
Form D private placements$13.7K disclosed across 1 round · 2026
▶$13.7KraisedMay 2026 · 12 investors · Other TechnologyRule 506(c)
▶$13.7KraisedMay 2026 · 12 investors · Other Technology
Rule 506(c)Officers, directors & promoters on the filing
- Dong Jun ChaExecutive Officer, Director
- Joowon RyooExecutive Officer, Director
- Kim SeojoonDirector
- Offering amount
- $13.7K
- Amount sold
- $13.7K
- Placement agents
- Leave this question blank, if possible. If the site requires you to make a selection, select ?Foreign/non-US?
- First sale
- Mar 2026
- Incorporated
- Corporation, Delaware, 2024
- Federal exemptions
- 06c
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Competitors · 2
by search overlap
Brave21 shared keywordsBrave makes a privacy-focused web browser built on the open-source Chromium core that blocks third-party ads and trackers by default, along with an independent search engine, a device-wide VPN, and a built-in AI assistant. Its products serve consumers seeking faster, more private browsing, with an optional token-based rewards system for viewing privacy-preserving ads.
Malwarebytes11 shared keywordsMalwarebytes provides consumer and small-business cybersecurity software, including antivirus and web protection, a privacy VPN, ad/tracker blocking, and identity theft monitoring with insurance. It also offers a browser extension that blocks unsafe content and detects tech support scams, plus a tool for checking suspicious links and screenshots.
Companies competing with Ad Shield for the same Google search keywords, organic and paid, via search-intersection analysis.
Frequently asked questions
- What does Ad Shield do?
- Ad-Shield provides technology that helps open web publishers and ad management companies recover ad revenue lost to adblockers ("dark traffic"), turning blocked impressions into measurable revenue. Founded by former adblocker developers, it focuses on the online advertising and media ecosystem.
- Who founded Ad Shield?
- Ad Shield was founded by Joon Yu in 2024.
- Who are Ad Shield's investors?
- Ad Shield's investors include Shorooq Partners, Hashed.
- How much funding has Ad Shield raised?
- Ad Shield has disclosed $13.7K raised across 1 round.
- Where is Ad Shield headquartered?
- Ad Shield is headquartered in Jersey City, US.