"There are 19 independent Tata companies in the UK, with diverse businesses. Each company continuously reviews its strategy and operations in the light of developments, and will continue to do so," a Tata Sons spokesperson said in a statement.
"Access to markets and skilled workforce will remain important considerations," the statement added.
Tata Group stocks this morning witnessed severe drubbing, plummeting by up to 13 per cent, as the UK's vote to exit the European Union spooked investors given the conglomerate's huge exposure to the region.
Shares of Tata Elxsi plunged 9.21 per cent, Tata Global Beverages (7.26 per cent), Tata Chemicals (5.72 per cent) and Tata Communications (5.34 per cent).
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Some of the most visible business interests of the over USD 100-billion Tata Group in the UK include the marquee automaker JLR and Tata Steel.
According to estimates, there could be a significant impact on JLR following Brexit vote.
"We remain absolutely committed to our customers in the EU. There will be a significant negotiating period and we look forward to understanding more about that as details emerge," JLR said.
Britain voted today to leave the EU in a deadly blow to the 28-nation bloc, forcing Prime Minister David Cameron to announce his resignation in the wake of defeat in the referendum whose result triggered a panic reaction in world markets and raised questions over immigration and other issues in the UK after the divorce.