🛒 Where to Buy
🛒 Compare prices on Wikishopline →
Or browse alternatives:
Affiliate links · Last verified 2026-05-21 · 🌍 Outside the US? Amazon and eBay will redirect you to your country's local store automatically.
The Story
Portable personal security device
The Pitch on Dragons' Den UK
DoorJammer appeared on Dragons' Den UK (Series 14, Episode 9) in 2017. Roger Willems and Phil Stratford pitched the product to the Dragons. No deal.
Where they are now: DoorJammer's pitch failed due to the dragons citing the duo did not need an investor as they were already netting $10 million a year. Company merged with the Penn Elcom Group by 2020. Status: Sold (2020).
Frequently Asked Questions
Is DoorJammer still in business?
DoorJammer's pitch failed due to the dragons citing the duo did not need an investor as they were already netting $10 million a year. Company merged with the Penn Elcom Group by 2020. Status: Sold (2020).
Who founded DoorJammer?
DoorJammer was founded by Roger Willems and Phil Stratford.
Did DoorJammer get a deal on Dragons' Den UK?
DoorJammer pitched on Dragons' Den UK but didn't strike a deal: No deal.
Where can I buy DoorJammer?
DoorJammer is available on Amazon and eBay. We compare current prices across both at our /results page — link below.
Related from Dragons' Den UK
Affiliate disclosure: Wikishopline earns a commission when you click through to Amazon, eBay, AliExpress, or TEMU and make a purchase — at no extra cost to you. Full disclosure →
Wikishopline is not affiliated with BBC, Dragons' Den UK, or any production company. Product names and trademarks are property of their respective owners.