Where can I purchase helium?
For our customers in Austria, we sell small canisters of helium suitable for small numbers of latex or foil balloons. (link) However, if you have a large celebration and want to inflate a lot of balloons, we recommend you hire a helium cylinder; this will be quicker and more economical. There are many online companies who will deliver and pick up the pre-filled canister and can advise you on the size you require for your needs.