The Fulham Shore's revenues rose to £27.5m in the six months to the 24 Sep - up from £19.5m last time.
Headline EBITDA increased to £4.5m (2016: £3.8m) and profit for the period was £0.6m (2016: £0.5m).
Th group said growth had been driven primarily by new restaurant openings.
During the period, the group opened three The Real Greek restaurants, seven Franco Manca pizzerias in the UK and one Franco Manca franchise pizzeria in Salina, Italy.
In line with the Group's expansion strategy, these openings included a number of locations outside London, including Bournemouth and Reading.