Castleton Technology's revenues increased 10.9% to £10.8m in the six months to the end of September of which 63% are recurring.
Adjusted EBITDA increased 11.5% to £2.3m and cash flow from operations rose to £2.3m from £1.8m.
Pre-tax profits rose to £0.2m from £0.04m.
Chairman David Payne said: 'I am pleased to report on a strong performance from the Group during the first half of the year.
'Whilst recording significant organic growth in both revenues and profit, underpinned by excellent cash generation, the group has also achieved some key operational milestones, notably the delivery of our integrated product suite on two milestone contracts, which illustrate both the appetite for the proposition and our ability to deliver.
'Current trading remains robust and in line with market expectations.
'As such, the long term prospects for the group remain positive and we are confident that we have the foundations in place to significantly scale the business.'