See the Tier 4 policy guidance, paragraphs 136 and 137:
136. Financial sponsorship is where you are given money to cover some or all of your course fees and/or living costs. This financial sponsorship can be used as evidence of money you have.
137. You can receive official financial sponsorship from Her Majesty’s Government, your home government, the British Council or any international organisation, international company, university or a UK independent school
Paragraphs 143-145 explain what evidence you need from the international company.
https://www.gov.uk/government/publicati ... -4-student
An 'international company' is not defined in the rules or guidance, but a common-sense definition is that it has a clear and provable presence in at least two countries, for example on its letterhead, website or through a Google search. In the High Court case of Kisuule, the judge held that a petroleum company that traded in the ‘East African region’ was not an ‘international company’ because “The only office shown on the writing paper has an address in what appears to be an industrial estate in Kampala”:
https://www.casemine.com/judgement/uk/5 ... 7f57ea80adI do not give immigration advice. I refer you to Immigration Rules, guidance, other online content and to your sponsor.
