Sportingbet promotion is all year round. There is no time of the year when they will not be given bonus, doing one or other form of promotion and where applicable publish promo codes which can be used by players for specific promotions.
For your information, Sportingbet free bet bonus is not always meant to benefit all their customer players but first time account holder. Take for example the recent free bet bonus:
£50 free bet as a welcome bonus
This welcome free bet bonus is for players who are just joining Sportingbet fold.
Other current bonus are promotion which are meant for registered members.
1. Get £10 bonus when you open an account and place first bet.
2. Get £20 bonus after 5th bet
3. Get £20 bonus after placing 10th bet
As a new member your free bet bonus is automatically credited into your account. A player who is interested in other bonuses will have to fulfil the conditions set to get them.
So, it is your choice whether to go for the bonus or not.
For updated bonuses, promotions and codes visit sportingbet official website.
Note: Sportingbet current promo code is MAXBONUS.