The government’s business department is woefully unprepared for Brexit because of ministers’ “alarming” complacency on the issue, an influential committee of MPs has warned.

In a blistering report, the Public Accounts Committee (PAC) accused the department of having made “virtually no attempt” to prioritise the work needed to enact Brexit and claimed ministers were “operating in a parallel universe where urgency is an abstract concept”.

MPs expressed “grave concerns” over what they said was the apparent complacency of the department, which is led by the business secretary, Greg Clark.

The department has not yet refocused its priorities to account for Brexit, the committee said, and has failed to start the process of installing new IT systems to replace EU databases for projects such as the emissions trading scheme and the registration of trademarks.

The PAC called the failure to do so “extraordinary” and said it was “extremely sceptical” the government will be able to deliver the projects in time.

The Department for Business, Energy and Industrial Strategy (BEIS) is among those most affected by Brexit, with responsibility for around a fifth of all the work needed to implement Britain’s departure from the EU, but told the committee it was unable to halt or postpone its existing projects in order to focus on this work.

MPs said they were “alarmed” that the department “has made virtually no attempt to re-order its priorities” in the wake of Britain’s decision to leave the EU.

The committee gave Mr Clark two months to update it on which programmes will be scrapped or delayed in order to allow officials to focus on Brexit-related work.

It said that, while the department has recruited most of the staff needed carry out this work, many lack the necessary experience and expertise “to deliver a very challenging programme of work at pace”.

Brexit so far: in pictures Show all 53 1 /53 Brexit so far: in pictures Brexit so far: in pictures Brexit campaign Boris Johnson led the VoteLeave campaign PA Brexit so far: in pictures Brexit campaign Boris Johnson MP, Labour MP Gisela Stuart and UKIP MP Douglas Carswell address the people of Stafford in Market Square during the Vote Leave Brexit Battle Bus tour on 17 May 2016. Their lead line on the tour was: “We send the EU £350 million a week, let's fund our NHS instead.” Getty Brexit so far: in pictures Voting day A man shelters from the rain as he arrives at a polling station in London on 23 June 2016. Millions of Britons voted in the referendum on whether to stay in or leave the European Union AFP/Getty Brexit so far: in pictures Referendum results Leader of Ukip, Nigel Farage, reacts at the Leave EU referendum party at Millbank Tower in central London as results indicated that it was likely the UK would leave the European Union AFP/Getty Brexit so far: in pictures Protesting the result A young couple painted as EU flags and a man with a sign reading “I’m not leaving” protest outside Downing Street against the voters decision to leave the EU on 24 June 2016 Getty Brexit so far: in pictures David Cameron resigns British Prime Minister David Cameron resigns on the steps of 10 Downing Street on 24 June 2016 after the results of the EU referendum were declared and the United Kingdom voted to leave the European Union Getty Brexit so far: in pictures Theresa May Becomes the new Conservative Party leader Theresa May receives a kiss from her husband Philip, after becoming the new Conservative Party leader on 11 July 2016. May became Prime Minister two days later and although she voted to remain in the referendum was keen to lead Britain’s Brexit talks after her only rival in the race to succeed David Cameron pulled out unexpectedly. May was left as the only contender standing after the withdrawal from the leadership race of Andrea Leadsom, who faced criticism for suggesting she was more qualified to be prime minister because she had children AFP/Getty Brexit so far: in pictures Lancaster House keynote speech on Brexit British Prime Minister Theresa May delivers her keynote speech on Brexit at Lancaster House in London on 17 January 2017. Where she spoke about her offer to introduce a transition period after the UK formally leaves the European Union in March 2019. Despite repeating the pro-Brexit mantra of “no deal is better than a bad deal”, the Prime Minister claimed she wanted a “tone of trust” between the negotiators and said Britain was leaving the EU but not Europe. 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British Prime Minister Theresa May faced pressure to resign on 9 June 2017 after losing her parliamentary majority, plunging the country into uncertainty as Brexit talks loomed. 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Ms May's whips applied pressure on Conservative rebels who remained defiant in the Commons throughout the day and in the end the Government was defeated by 309 votes to 305 Brexit so far: in pictures EU council summit – sufficient progress Britain's Prime minister Theresa May arrives to attend the first day of a European union summit in Brussels on 14 December 2017. European leaders discussed Brexit and announced there was finally sufficient progress at the end of the two days AFP/Getty Brexit so far: in pictures The game moves to transition Brexit Secretary David Davis gives evidence on developments in European Union divorce talks to the Commons Exiting the EU Committee in Portcullis House, London, on 24 January 2018 PA Brexit so far: in pictures Trade deal is what May wants French President Emmanuel Macron gestures to Britain's Prime Minister Theresa May after they hold a press conference at the Royal Military Academy, Sandhurst, on 18 January 2018. May and Macron agreed a new border security deal, through which the UK will pay more to France to stop migrants trying to reach British shores on 18 January 2018 AFP/Getty Brexit so far: in pictures Transition period agreed The UK and EU agree terms for Brexit transition period on 19 March, 2018 Reuters Brexit so far: in pictures No agreement on Irish border The EU and UK however failed to reach an agreement on the Irish border during the successful talks on other Brexit issues AFP/Getty Brexit so far: in pictures EU attacks May’s ‘fantasy’ strategy For months after the March deal is struck there is little significant progress in talks. 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Getty Brexit so far: in pictures People's Vote march As the People's Vote campaign and The Independent's Final Say campaign gain traction, 700,000 people turn out in London to demand a final say on the UK's Brexit deal on October 20 2018 PA Brexit so far: in pictures More resignations As the Prime Minister settles on a Brexit deal, Brexit secretary Dominic Raab resigns along with Work and Pensions secretary Esther McVey and many other ministers Getty Brexit so far: in pictures Final Say petitions delivered to Downing Street People's Vote supporting MPs Chukka Umunna, Justine Greening and Caroline Lucas and The Independent editor Christian Broughton deliver over a million signatures in favour of a People's Vote to the Prime Minister at 10 Downing Street on December 3 2018 PA Brexit so far: in pictures May delays vote On December 10, the Prime Minister delayed the vote on her Brexit deal as it was near certain not to pass through the Commons due to Tory rebels and lack of DUP support AFP/Getty Brexit so far: in pictures No confidence motion Tory MPs triggered a confidence vote in the Prime Minister on December 12. She won by 200 votes to 117 Reuters Brexit so far: in pictures Commons rejects the deal Following the delay, the Prime Minister's deal was rejected in the Commons by a historic 230 votes AFP Brexit so far: in pictures Corbyn tables a no confidence motion Following the rejection of the Prime Minister's deal, opposition leader Jeremy Corbyn tabled a motion of no confidence in the government, which the government won by a margin of 19 AFP/Getty Brexit so far: in pictures Plan B The Prime Minister won the support of the commons to return to Brussels to renegotiate the backstop on January 29. In the same sitting, MPs also voted against a no-deal Brexit in a non-legally binding motion PA Brexit so far: in pictures EU council president savages Brexit campaigners who failed to plan for departure: ‘Special place in hell’ There is a “special place in hell” for pro-Brexit campaigners who demanded Britain leave the EU without explaining how it should happen, Donald Tusk has said. 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The prime minister did not appear in parliament to see another defeat PA Brexit so far: in pictures Labour and Conservative MPs resign and create the Independent Group Back row of Chris Leslie, Gavin Shuker, Chuka Umunna and Mike Gapes, middle row of Angela Smith, Luciana Berger and Ann Coffey and front row of Sarah Wollaston, Heidi Allen, Anna Soubry and Joan Ryan PA Brexit so far: in pictures Non-biding votes on amendments to Brexit motion On February 27 he house held a series of votes, unanimously calling for the UK and EU to guarantee citizens rights in a no-deal scenario AFP/Getty Brexit so far: in pictures Attorney General publishes legal advice A hammer blow for May as Geoffrey Cox said her renegotiated deal can still leave UK in backstop against its will. Mr Cox did say the prime minister’s efforts had reduced the risk of the UK being trapped in the backstop indefinitely. MPs went on to vote against her deal by 391 to 242 UK Parliament/PA Brexit so far: in pictures No-deal off the table MPs rejected a no-deal Brexit by 43 votes on March 13, with cabinet ministers rebelling in another humiliating defeat for Theresa May. A day later they voted in favour of the prime minister seeking an extension to Article 50 AFP/Getty Brexit so far: in pictures House speaker bans May from third Commons vote on same Brexit deal John Bercow sensationally told Theresa May he would stop her making another attempt to pass her Brexit deal unless she has secured changes. The Speaker said a further ‘meaningful vote’ would be ruled out of order if the motion was “the same or substantially the same’ – under an ancient convention to stop the government bullying parliament on issues MPs have rejected Parliament Live Brexit so far: in pictures May writes to Tusk The prime minister wrote to Donald Tusk, president of the European Council, to ask for a three-month extension to give her more time to try to get her deal through parliament. However the European Commission advises the EU27 should offer a short extension to May 23 or a longer one meaning the UK would participate in European elections 10 Downing Street/AFP/Getty Brexit so far: in pictures European Council summit Theresa May’s request to extend triggering Article 50 until the end of June was rejected by the EU, and instead offered a shorter time frame. She accepted the offer of a delay until May 22 if her withdrawal deal is approved by Parliament. If MPs rejected it for a third time, the EU said Britain must propose a new plan by April 12. Ms May said she will not support a long delay because it would mean Britain participating in elections for the European Parliament Getty Brexit so far: in pictures Brussels confirms preparations for a no-deal Brexit are completed They warned that it is “increasingly likely” the UK will crash out. In a statement the European Commission (EC) said “preparedness and contingency work”, which the EC has been conducting since December 2017, was now finished. The announcement came days after EU leaders agreed to a request by Theresa May to extend the UK’s Brexit date AFP Brexit so far: in pictures May resigns British Prime Minister Theresa May reacts as she delivers a statement in London, Britain, May 24, 2019. REUTERS/Simon Dawson SIMON DAWSON Reuters

Labour MP Meg Hillier, who chairs the committee, said: “The Department for Business, Energy and Industrial Strategy appears to be operating in a parallel universe where urgency is an abstract concept with no bearing on the Brexit process.

“The department is responsible for around a fifth of the work streams the government must complete as the UK leaves the EU. It is an extremely important, challenging and time-sensitive workload.

“Yet the department told us it had not re-prioritised its overall programme of work, had not begun procurement for around a dozen essential digital systems and could not provide vital information about its workforce.”

She added: “We have grave concerns about this apparent complacency, compounded by the lack of transparency on the department’s progress with what in some cases will be critical projects.”

Tusk: Brexit is 'one of the saddest moments' in recent European history

The committee also repeated concerns over the government’s ability to make the 1,000 legislative changes needed before Brexit, saying it was “not confident” ministers “will be able to cope with the volume required”. The Department for Business alone needs to get around 150 changes through Parliament in order to implement its Brexit-related work.

The Independent has previously revealed that ministers face a race against the clock to pass the 1,000 pieces of secondary legislation needed to extract Britain from the EU.

​MPs also accused the government of a lack transparency over Brexit preparations, saying this was “undermining scrutiny” and “keeping Parliament and taxpayers in the dark”.

A BEIS spokesperson said: "Along with the whole of government, BEIS is focused on getting the best deal for the UK and ensuring a smooth transition for businesses, consumers and workers.