Secret Sales has recorded a 69% rise in year-on-year sales for 2013.
The retailer, which organises online sales of exclusive designer fashion brands, now has 3 million registered members with 150,000 unique users a day, up 70% on unique visits recorded in 2012.
In December, the company shipped its one-millionth order.
Over 2013, 22% of secretsales.com’s revenue was through tablet usage, while 24% was via mobile.
Mobile visits made up 42% of all traffic to the website in 2013 compared to 30% in 2012, while tablet visits consisted of 22% of all traffic compared to 15% on 2012.
Secret Sales co-founders Nish Kukadia and Sach Kukadia commented: “secretsales.com continues to post record results and these figures show that as well as attracting new members, our existing customers are buying more than ever.
“This is due to our dedication to offering amazing brands at strong discounts and also ensuring our customers’ experience is straightforward and enjoyable. We have an exciting development launching in the Spring which will encourage that growth, so watch this space.”