Fastest on paper and fastest in practice are different answers. Here is both.
Fastest on paper: a sponsored job offer
If a UK employer offers you a qualifying role tomorrow, the remaining process is measured in weeks: Certificate of Sponsorship, visa application, decision, travel. Nothing else comes close.
The catch is that the offer is the hard part, and it is the stage you control least. For most applicants the search itself takes six to twelve months - see the honest timeline for moving from India to the UK for work.
Fastest in practice for shortage occupations
If your occupation appears on the government's current shortage or immigration salary lists, or falls under a health and care route, the process is genuinely quicker - both because employers in those areas sponsor routinely and because the thresholds work differently. Check the current lists on gov.uk; they are revised.
Fastest for those already inside a multinational
An intra-company transfer through your current employer bypasses the open job market entirely. If your organisation has a UK entity, this is frequently the shortest real path available - and it is the one people most often forget to ask about.
The predictable route: study then Graduate Route
Slower in total, but each stage has published criteria and known dates. For anyone whose profile does not attract sponsorship today, this is not the slow option - it is the one that actually completes. See is the UK Graduate Route visa actually worth it.
How to pick
Ask one question: can you name three UK employers who would sponsor someone with exactly your CV, today? If yes, spend six months on the direct route. If no, start the study route now rather than spending two years discovering the answer.
The mistake to avoid
Doing both half-heartedly. A scattered job search plus an unresearched course application usually produces neither an offer nor a place.
Next step
For the study route, a recognised Level 3 qualification is the standard entry point to a UK degree - see the Level 3 Diploma in Business and Management, or contact admissions.