Revenues rose 41.3% to £402.1m as the firm said its "transformation" plan under new chief executive in Rowan Gormley was beginning to pay off.
Sales at Naked broke through the £100m barrier and Majestic notched up its first rise in like-for-like sales in four years, coming in at 4.8%.
However, pre-tax profits fell from £18.4m to £4.7m as the £70m takeover and investment costs took their toll on the balance sheet.
Gormley said: "Early signs are that the plan is starting to work. Strong sales figures reflect the hard work being done on the ground by the whole team.
"At Naked Wines, we had a belter of a year - breaking through the £100m sales barrier and delivering a maiden profit."
He added that trading conditions "remain tough" at the company's 210 UK outlets but it is still aiming for £500m of sales by 2019.
"We still have lots to do and, although we are on course to deliver our three-year plan, it won't be without challenges," Gormley said.