Two Canadian entrepreneurs beat out nearly two dozen of their peers to win a trip to the U.K. courtesy Prince Andrew.

O2 Canada and Proof were named the winners of the first Canadian leg of the prince鈥檚 Pitch@Palace campaign and will head to London to compete against the winners of other Pitch@Palace events from around the world.

O2 Canada creates designed for Asian markets where smog is heavy, Proof creates a by digitizing application forms.

On Tuesday, 24 entrepreneurs from across the country competed at a Pitch@Palace event at the Art Gallery of Ontario in Toronto. The winner was voted on by the attendees, a group that included a wide assortment of business leaders.

The three third-place runner ups were:

  • which uses artificial intelligence, drone and robotics technology to create autonomous farms,
  • which creates compostable bioplastics made from crustacean shells and insect husks, and
  • which creates products to address degenerative disc disease in the spine.

Some of the other innovations included a watch that detects when a user suffers a heart attack and automatically contacts emergency medical services, while another was a micro-sensor that finds gastrointestinal leaks that can arise after surgery in real-time.

Then there was the product shown off by Ava Technologies. Company CEO and co-founder Valerie Song described Ava鈥檚 smart indoor electric garden as 鈥渁n espresso machine for gardening.鈥�

鈥淵ou just pick the plant pot of your choice, plug the device in, add water, plant the pot and that鈥檚 pretty much it, 鈥� she told CTVNews.ca. 鈥渋t does all of the watering and lighting for you.鈥�

The Canadian companies participating Tuesday had advanced through six earlier regional events held in Halifax, Montreal, Waterloo, Regina, Vancouver and Whitehorse.

Many entrepreneurs noted how nervous some of them felt pitching their concepts.

On Monday, the entrepreneurs gave their first round of elevator pitches for judges, including the Duke of York.

The strongest pitches that day were given three minutes to make their case in front of another illustrious panel on Tuesday.

Prince Andrew spurred on the more connected in the crowd to hear out the pitches and figure out how they can help.

鈥淭he connections that you can make for these businesses are going to be the thing they are going to remember about this evening,鈥� he said.

Prince Andrew launched the Pitch@Palace events in 2014 to 鈥渁mplify and accelerate the work of entrepreneurs,鈥� according to the .

The international pitch program is designed for 鈥渆ntrepreneurs with global ambitions.鈥� Since its founding, it has hosted 55 events around the world featuring 1,373 pitches.

BMO's head of Canadian business banking Dev Srinivasan was proud of the number of female entrepreneurs on stage and said "entrepreneurship and small businesses in Canada are the lifeblood of the economy."

He was impressed with the broad range of companies there.

The inaugural Canadian Pitch@Palace is supported by BMO Financial Group and the Rideau Hall Foundation, a charity which works closely with the Governor General鈥檚 office and Bank of Montreal, which provided $500,000 in funding.

to see the full list of competitors.

With files from Cillian O'Brien