More than 5,000 new businesses were officially registered in Northamptonshire last year.
Research from the national enterprise campaign Start Up Britain shows that British entrepreneurs set up a record number of new businesses last year.
Nationally, 526,446 new businesses were registered with Companies House, beating the 484,224 businesses recorded in 2012, and 440,600 in 2011.
Top performers on the regional entrepreneurial map according to postcode include Greater London with 136,939 businesses registered beating the rest of the country by far - with its nearest rival Birmingham at 16,281 and Manchester at 11,765.
The county saw 5,546 new companies being registered, placing Northamptonshire in the top 25 most entrepreneurial places in the country.
The most businesses, 386, were set up in NN8, which covers Wellingborough.
In NN14, which covers Thrapston and Rothwell, 227 businesses were registered, 215 were registered in NN15, 213 in NN10, 188 in NN18, 168 in NN16, 161 in NN17 and 109 in NN9, which covers Finedon and Irthlingborough.
Emma Jones, co-founder of Start Up Britain, said: “We’ve been looking at these figures carefully for three years since the campaign began and it’s clear the UK’s start-up community is growing year-on-year.
“These figures are raw and hot off the press but the new regional statistics reveal a power house in the south east and London – which is what we were expecting – but there are also impressive pockets of entrepreneurial activity in the north west, south Yorkshire, the midlands and Scotland.”
According to Government statistics, micro and small businesses represent 95 per cent of all companies and employ more than seven million people in the UK.
The figures come from Start Up Britain’s daily tracker, an online tool which reveals the number of businesses registered with Companies House on a daily, monthly and yearly basis.