Companies House
The UK’s registrar of companies
FPS
Full Payment Submission (the submission you make to HMRC when you pay your employees)
HMRC
Her Majesty’s Revenue and Customs (the people who collect your taxes)
Limited company
A private company which is a distinct entity from its owners
LLP
Limited Liability Partnership (where some or all partners have limited liabilities)
PSC register
A register of People with Significant Control in relation to a company
RTI
Real Time Information (the real-time submission made to HMRC when paying employees)