Robert Leeds and Guy Seymour created Subeo Submarine to bring personal underwater exploration to life. They pitched their cutting-edge submersibles on Dragons’ Den UK in 2019, asking for £1.45 million for a 45% stake, which valued the business at £3.22 million.
Although they didn’t secure a deal, the innovative idea gained significant attention. As of 2025, Subeo’s estimated net worth is £394,690. The company continues to operate, offering advanced models like the Gemini II, capable of diving up to 50 meters.
Subeo remains a key player in personal submersible technology, inspiring adventurers worldwide with its underwater innovations.
Subeo Submarine Net Worth
| Net worth | £394,690 |
| Investor | No deal |
| Founders | Roberts Leeds and Guy Seymore |
Subeo Submarine Pitch on Dragons’ Den
| Company name | Subeo Submarine |
| Product | Submersive underwater vehicles |
| Episode | Season 08 Episode 02 |
| Founders | Roberts Leeds and Guy Seymore |
| Asked for | £1,450,000 For 45% Equity |
| Final deal | No deal |
| Dragon / Dragons | N/A |
| Location | UK |
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Subeo Submarine Founders
Subeo Submarine was founded by Roberts Leeds and Guy Seymore in 1999. Subeo Submarine’s founders, Roberts Leeds and Guy Seymore, net worth is unknown as of 2025.
Key accomplishments:
| Year | Accomplishment |
| 1999 | Incorporated Subeo Submarine |
| 2019 | Appeared on Dragons Den season 8 |
Conclusion:
From their beginnings on Dragons’ Den to their current status as a thriving business, they have proven that with the right idea and execution, anything is possible. We can’t wait to see the future for Subeo Submarine and its continued success.
