Tim Wach, managing director of Taxand, said: 'The looming threat of trade wars between the United States and the UK over digital tax proposals, evidences just some of the significant problems that result from the individual countries acting on their own and without worldwide consensus.
"At the same time we want a deep and comprehensive free trade agreement and that's what we are working on", he added, in comments reported by The Telegraph.
The EU also reportedly wants to be able to impose a "penalty payment" on the United Kingdom for breaching terms of the prospective trade agreement, according to a European Commission "governance" document seen by Bloomberg News and reported on Monday.
Austrian finance minister Gernot Bluemel on Wednesday said that a meeting of European Union finance ministers this week discussed the digital tax issue.
We think the digital tax is discriminatory in nature... if people want to arbitrarily put taxes on our digital companies we'll consider arbitrarily putting taxes on vehicle companies.
It comes after France agreed to delay their plans to introduce a digital tax on big tech firms like Google and Facebook, after Washington threatened to retaliate with a levy on French cheese and champagne sectors.
Chancellor Sajid Javid said the tax on digital services is only a temporary measure pending an global agreement on how to deal with online giants like Google and Facebook.
Mr Javid described the new tax as "proportionate".
What is a digital sales tax?
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GMB general secretary Tim Roache said Ms Nandy was "a breath of fresh air in the debate over Labour's future". Ms Nandy has already been nominated by the National Union of Mineworkers.
Mr. Javid said there is a growing gap between where online business customers are located and where they are taxed.
So some countries including the UK, France, Italy, Austria and Turkey, have considering imposing unilateral levies.
"We have not made a decision to withdraw our taxation - we have just proposed [to] not have the prepayment of April and November", Le Maire said.
Several European nations are considering taxes on search engines, social media platforms and online marketplaces to compensate for lost revenues, drawing the ire of the United States which claims that such a tax unfairly targets US firms.
The UK has been urged to hold back on pressing ahead with the levy by the Organisation for Economic Co-operation and Development (OECD), which called for time to allow the push for an worldwide approach to succeed.
"OECD Secretary General Angel Gurria told the BBC that without a global solution for technology companies paying less than a fair share of taxes, there would be a "cacophony and confusion" of 40 countries, with "tensions everywhere." gain ".
The UK should "absolutely hold fire and contribute to a multilateral solution", he said.
The timing of the spat with the USA is hard, however, as talks are set to begin between London and Washington next week over a post-Brexit trade deal.
Industry body the Society of Motor Manufacturers and Traders (SMMT) called for the United Kingdom and USA "to explore all options that avoid restrictive measures" in order to avoid a tit-for-tat trade war developing.