Tango Group

No Deal

Water fuelled battery cells

Season 4 · Ep 3 OtherAired 21 February 2007

Tango Group, the water fuelled battery cells, landed on the national radar after pitching the dragons in Season 4, where it won fans even without landing a deal.

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From the show

The Dragons’ Den pitch

£200K
Asked for: 5%
Offered equity: £4M
Sought valuation

Vivian Blick faced the dragons in Season 4, Episode 3 in the episode that aired 21 February 2007. Tango Group, the water fuelled battery cells, pitched in the Other category, one of 902 other businesses to brave the Den across all 21 seasons.

They came in asking £200,000 in exchange for 5% equity, putting a £4M valuation on the business.

Tango Group couldn't land an offer the founders would take, and the pitch ended without a deal. History says that's survivable: several of the show's biggest success stories left the Den empty-handed.

Across Season 4, 10 of 52 pitches ended in a handshake. In the Other category overall, roughly 11% of pitches have landed a dragon across the show's history.

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Frequently asked questions

Where can I buy Tango Group?

Check current price and availability on Amazon. Note that some Dragons’ Den products are discontinued or sold under a new name.

Did Tango Group get a deal on Dragons’ Den?

No. Tango Group pitched the dragons but left Season 4 without a deal.

What season of Dragons’ Den was Tango Group on?

Tango Group appeared in Season 4, Episode 3, which aired 21 February 2007.

How much was Tango Group asking for on Dragons’ Den?

The founders asked for £200,000 for 5% of the company, a £4M valuation.

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