Shake Shack has reported another quarter of double-digit sales growth, ending the year on a strong note.

The company’s total revenue for the fourth quarter ended December 25 jumped 14.8 per cent to $328.7 million, with system-wide sales growing 13.3 per cent and same-Shack sales rising 4.3 per cent.

The revenue growth extended the 14.7 per cent increase in the third quarter.

On the bottom line, the company swung to an operating income of $10.2 million from a loss of $1.29 million in the prior year. Net income increased to $9.3 million from $7.2 million last year.

For the full year, Shake Shack posted a 15.2 per cent increase in total revenue, with system-wide sales up 13 per cent and same-Shack sales up 3.6 per cent. Net income fell 48 per cent to $10.8 million.

The chain ended the year with more than 570 locations system-wide, including over 370 in the US and over 200 international locations.