The new subscribers, added between April and June, take the total number to 7.8 million in the UK and Ireland. Sky hopes to reach a target of ten million subscribers by 2010.
Sky also added a further 118,000 subscribers to its Sky+ personal video recorder system, taking the total number of households able to skip ads to 888,000. Since Sky+ was relaunched with a revised pricing structure, the number of subscribers to the service has grown by an average of 100,000 every quarter.
Sky's ad revenue outperformed the market and grew 5 per cent to £329 million, contributing to total profits of £425 million after tax - an increase of 32 per cent on the same period last year - on total revenues of £4.05 billion.
Marketing costs rose by £119 million to £515 million, 13 per cent of total revenue.