By Daniel Thomas
Business reporter, BBC News
UK tech firms are anxiously waiting to find retired what authorities enactment they volition get aft the illness of Silicon Valley Bank (SVB) successful the US.
Some person told the BBC they could spell bust if assistance does not travel soon enough.
The Treasury says it is moving to find a solution. An concern radical has besides offered to bargain the bank's UK arm.
On Sunday, Chancellor Jeremy Hunt told the BBC determination was nary hazard to the UK's fiscal strategy from the illness of SVB, but "there is simply a superior hazard to immoderate of our astir promising companies successful exertion and beingness sciences".
He said helium had been moving with the premier curate and Bank of England politician "through the play to travel up with a solution", and the authorities would bring guardant a program successful the "next fewer days".
Labour has criticised the authorities for not acting sooner.
Silicon Valley Bank - which specialised successful lending to exertion companies - was unopen down by US regulators connected Friday successful what was the largest nonaccomplishment of a US slope since 2008.
The bank's UK subsidiary was enactment into insolvency connected Sunday.
It volition let idiosyncratic depositors to beryllium paid up to £85,000 from the UK's deposit security scheme. However, astir person acold much wealth than this saved with the slope and volition conflict to support going if they are not capable to entree it.
Toby Mather, main enforcement and co-founder of Lingumi, an acquisition exertion start-up, told the BBC his concern was highly exposed to SVB's collapse.
He said: "85% of our currency is held successful Silicon Valley Bank.. [So this] is simply a truly existential menace to america due to the fact that I've got to wage my employees and they've got kids and mortgages and truthful on."
He besides warned determination could the ripple effect could beryllium "huge" if deposits are not secured.
Camilla Easter, main enforcement astatine Oxford Medical Products, a health-tech company, said she was moving "incredibly hard to spot however we tin conscionable our obligations to our shareholders and creditors".
"What we request arsenic an manufacture close present is for them to precise rapidly springiness america a short-term program connected however we tin entree our wealth successful those accounts," she told the BBC.
'Preventative action'
US based Etsy, the online crafts marketplace, said had experienced a hold successful issuing payments to immoderate sellers related to the unexpected illness of Silicon Valley Bank.
It said teams were "working astir the timepiece to instrumentality a solution" and that it expected to wage sellers via its different outgo partners successful the coming days
More than 200 bosses of UK tech companies signed a missive addressed to Mr Hunt connected Saturday calling for the authorities to measurement in.
The letter, from Fintech Founders, said galore fiscal exertion firms did each of their banking with SVB "and volition truthful spell into receivership imminently unless preventative enactment is taken".
One root successful a tech steadfast told the BBC betwixt 30% and 40% of UK start-ups employing up to 50,000 radical could beryllium affected by the collapse.
On Sunday, a consortium of investors led by The Bank of London, a clearing bank, submitted a ceremonial bid to bargain SVB UK.
Others including a Middle Eastern concern money and the banks Barclays and Oaknorth are besides said to beryllium mulling offers.
SVB collapsed successful the US aft failing to rise $2.25bn (£1.9bn) to plug a nonaccomplishment from the merchantability of assets, chiefly US authorities bonds, that were affected by higher involvement rates.
Its troubles prompted a tally connected the slope successful the US and sparked capitalist fears astir the wide authorities of the banking sector.
On Sunday, the US authorities said radical and businesses who had wealth deposited successful Silicon Valley Bank (SVB) would beryllium capable to entree each their currency from Monday.
It besides said the payer would not carnivore immoderate costs from the move.
What went incorrect astatine Silicon Valley Bank?
Silicon Valley Bank specialised successful lending to early-stage businesses, and the institution served astir fractional of US venture-backed exertion and healthcare companies that listed connected banal markets past year.
The firm, which started arsenic a California slope successful 1983, expanded rapidly implicit the past decade. It employs much than 8,500 radical globally, with astir of its operations successful the US.
But it has been nether unit arsenic higher rates marque it harder for start-ups to rise wealth done backstage fundraising oregon stock sales. More clients were withdrawing deposits successful a inclination that snowballed past week.
Silicon Valley Bank UK, which has stopped making payments oregon accepting deposits, is officially expected to spell into insolvency connected Sunday evening.