By Sophie Sassard
LONDON, Nov 7 (Reuters) - The value of merger andacquisition deals between UK companies has plunged 62 percent toa 30 year-low since the country's vote to leave the EuropeanUnion, according to Thomson Reuters data, in a sign of theuncertainty gripping businesses.
Domestic deals since the June 23 referendum have totalled $1billion, the data show.
Foreign purchases of British firms have also slumped 69percent, according to the figures, despite a sharply weakerpound.
Softbank's $30.7 billion deal to buy UK-based chipdesigner ARM Holdings in July had sparked hopes among bankersthat the fall in sterling might boost dealmaking.
The data also show spending by British companies on foreigndeals has leapt by 59 percent since the Brexit vote to $88.5billion, the highest since 2007 on a comparable basis.
But this number is distorted by British American Tobacco's $57.8 billion offer for U.S. cigarette maker ReynoldsAmerican Inc.
2015 was a record year for dealmaking involving UK-listedcompanies thanks to a series of jumbo deals includingAnheuser-Busch Inbev's $110.3 billion acquisition ofSABMiller and Shell's $53 billion merger with BG Group.
(Reporting by Sophie Sassard; Editing by Mark Potter)