By pulling together you can save a lot of money(Image: PA Photos)

Rounding up the troops can potentially mean big savings on a host of leisure activities and financial services.

In most cases the more people you can get together, the bigger your purchasing muscle becomes and the cheaper it works out. However, you don't need to start calling everyone in your phonebook: even a small group can qualify for discounts.

And if friends and family are proving a pain to organise, there are now a number of online communities where group power is taking off.

Read on to find out what you can save cash on and how.