What liberal East India Company? There were a number of EICs, but all of them I can think of (certainly most especially the British) were mercantilist and parts of mercantilist national policies, not liberal.
The mercantilism of British policy and the British EIC were, actually, a quite important factor in both the US push for independence and its ideological connection with liberalism.
While liberalism might eventually have become a nearly consensus ideology in the West, but it certainly wasn’t in the late 18th Century and it certainly wasn’t the ideology of or behind colonialism.