Rupesh and Alex Thomas appeared on Dragons' Den with Tuk Tuk Chai and secured a £100,000 investment from Peter Jones.
But after the show, the couple turned the money down and went on to raise more than £275,000 through crowdfunding. Here, Alex tells the story.
How did you come up with your idea and turn it into a business?
The idea came from Rupesh witnessing my obsession for authentic chai while we travelled in India, but realising that the only versions of chai available in the UK were inauthentic and did not taste like the real deal.
We also realised there was a demand for chai as chai lattes have become very trendy in large coffee chains.
In addition, whereas iced coffee is available from multiple brands there is no equivalent for milk tea, yet milk tea is the nation's favourite beverage.
We therefore realised there was a huge gap to create an entirely new category and launch the first ever ready-to-drink iced milk tea brewed with tea leaves.
What start-up challenges did you face?
Where do we start?! First of all, finding a factory that could brew tea with milk was a huge challenge. We eventually found the only factory in Europe capable of doing it.
Scaling up was the next challenge, as to get the same authentic taste of the chai when made on a large scale was extremely difficult. It took us two years and countless trials and errors to reach the perfect taste.