Why is this necessary?
There seem to be a lower overall moral standard as far as individual conduct is concerned and many people coming to parties is now more daring to engage in activities which would’ve been taboo a couple of decades ago and this is why party security in London is increasingly used. Most definitely the organizers of parties wants people to have fun and they want them to enjoy themselves, however not at the cost of other people coming to that party and therefore everything possible has to be done to ensure that everyone present at that party, will conduct themselves in a way which is agreeable to everyone. Good behavior is ensured by only inviting people who are acceptable and party security in London will mostly be responsible for access control.
Why does problems occur?
Social media and especially Facebook is now making it possible for many people, to become aware of parties which is taking place somewhere in the city and therefore an increasing number of people will go to those parties even though they have not been personally invited and then they will engage in unacceptable behavior, which has become known as party crashing. These actions is then also posted on social media and some people think that these hooligans is cool and it will be the duty of party security in London to ensure that those parties is not disrupted in any way. Organizing a large party is not cheap and therefore the organizers certainly does not want that event to be disrupted and one way in which to prevent this from happening is simply by using party security in London.
What people should know?
Everything happening at your party, should be done in compliance with UK legislation and likewise the party security in London officers have to be professionals, who knows exactly what is allowable under UK legislation and they should be individuals who will always stick to the letter of the law. If this is not done, the organizers of that party as well as the security company can be in a lot of trouble and there may even be lawsuits filed against them and this is why any sensible party organizer should rather make contact with the SIA and ask this organization for suggestions on some security companies which could be approached when party security in London is needed.