The halal food market has huge potential for growth after being "largely neglected" in the U.K. - despite the country's large Muslim population, the founder of the one of the world's largest Halal food festivals told CNBC.

Some of the biggest names in British retail will be attending this weekend's consumer food show dedicated entirely to halal produce, with supermarkets including Tesco, Morrisons, Sainsbury's and Asda sending buyers, along with high-end department store Harrods.

"Business can appreciate the sheer size of the market, and it has largely been neglected," said Imran Kausar, a former doctor who founded the Halal Food Festival. "The West if finally twigging onto the fact that that there's a huge market here."

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