Most common is the (Ukmail…part of DHL) standard next day service. International shipping is also arranged via Ukmail, but note that email exchanges are often required to deal with local taxation/ import duty issues “your end”. You can also elect to arrange a pick-up using your own preferred shippers.
Lastly (rarely) we sometimes expect a pick up “in person” by you for odd/heavy/bulky unusual items. Small shipments may use Royal Mail letter services. Some items are sent electronically via the Internet…i.e. documents/data sheets/product technical information/software any/all of which may be either chargeable or free-issued.