Install the app, walk through a set of questions and at the end of the wizard, you're a legal corporation and you're filing financial reports to companies house.
Employ people via the application and carry out all the legal requirements of an employer.-- chronological, Feb 03 2020 "Off the shelf" companies, with optional reporting and accounting management, are Baked and WKTE - though not as an App, for legal reasons.
It can be done online, however.
[marked-for-deletion] not an innovation.-- 8th of 7, Feb 03 2020 random, halfbakery