Anyone tried social media management services in London?

Lately I’ve been falling behind on posting and keeping things active on social media, so I started looking into Social Media Management Services London. It sounds good in theory, but I’m not sure how it works in practice. Do they actually understand your brand and handle everything smoothly, or do you still end up doing half the work yourself? If anyone here has used Social Media Management Services London, I’d be interested to know how it went and if it really made things easier.