The UK and South Korea have marked a blueprint organized commerce understanding (FTA) that tries to keep up existing exchange plans post-Brexit.
Universal Trade Secretary Liam Fox marked the arrangement with his South Korean partner Yoo Myung-hee in Seoul.
The starter understanding imprints the primary post-Brexit economic alliance the UK has verified in Asia.
The understanding is generally in accordance with the terms of the current Korea-EU FTA.
"To the extent that a (UK-S Korea) bargain has been struck that is a milestone minute," Mouhammed Choukeir, boss speculation officer at private bank Kleinwort Hambros revealed to BBC 5 live's Wake Up to Money.
"Where it is anything but a major ordeal is that really the greatest exchanging alliance still should be arranged - the EU and US."
The arrangement would cover South Korean fares including autos and vehicle parts. South Korea trades for the most part vehicles and boats to Britain, while it imports raw petroleum, autos and whisky.
The understanding is intended to give dependability under a no-bargain Brexit, with the UK because of leave the EU on 31 October, with or without an arrangement.
By Andrew Walker, BBC World Service financial matters reporter
Tax facilitated commerce with South Korea is positively worth safeguarding. English products fares to Seoul climbed strongly after the EU's arrangement with South Korea was actualized in 2011. A year ago the UK sold about £6bn worth of products there.
UK merchandise imports from South Korea were more than £4bn. Among those nations with which the UK has improved access by temperance of an EU economic agreement, South Korea is one of the greater ones.
There is a concurrence with Switzerland, which is the greatest of this gathering regarding UK trades. In any case, there isn't with Japan or Canada which are comparable scale to South Korea. What's more, obviously every one of these nations are far littler markets for the UK than the EU 27.
Mr Fox stated: "The estimation of exchange between the UK and Korea has dramatically increased since the EU-Korea understanding was connected in 2011.
"Giving coherence in our exchanging relationship will permit organizations in the UK and Korea to continue exchanging with no extra boundaries, which will enable us to further expand exchange the years ahead,"
"As we face developing worldwide monetary headwinds, our solid exchanging relationship will be critical in driving financial development and supporting occupations all through the UK and Korea."
The two nations plan to approve the arrangement before the finish of October, and actualize it in November.
"The arrangement is huge as it facilitated vulnerabilities started by Brexit, in the midst of the officially testing condition for fares on the raising exchange push among Washington and Beijing," Ms Yoo said.
South Korea - Asia's fourth biggest economy - is a worldwide pioneer in gadgets, steel and automobile industry.
The nation's fares to the UK hit $6.36bn (£5.0bn) a year ago.
The UK is South Korea's second biggest exchanging accomplice among EU individuals, and the Asian country's eighteenth biggest exchanging accomplice.
The UK is pushing to reach accords with its exchanging accomplices as the Brexit due date looms.
As an individual from the EU, the UK is a piece of 40 exchange accords which the EU has with different nations.
On the off chance that the UK leaves the EU without an arrangement, it would drop out of these arrangements promptly, upsetting about 11% of UK all out exchange.
A need for the legislature has been to get these nations to move over their economic accords with the UK.