{"id":527676,"date":"2025-09-16T12:18:23","date_gmt":"2025-09-16T11:18:23","guid":{"rendered":"https:\/\/www.constructionnews.co.uk\/?p=527676"},"modified":"2025-09-16T12:18:23","modified_gmt":"2025-09-16T11:18:23","slug":"shattered-trust-one-year-on-from-isgs-collapse","status":"publish","type":"post","link":"https:\/\/www.constructionnews.co.uk\/sections\/long-reads\/features\/shattered-trust-one-year-on-from-isgs-collapse-16-09-2025\/","title":{"rendered":"Shattered trust: one year on from ISG&#8217;s collapse"},"content":{"rendered":"<p>At first, it felt like a wobble. Payments that had arrived reliably on time for decades were now edging past 30 days. Then beyond 45 days. Then 60. Subcontractors received assurances that this was just a \u201cblip\u201d. But suddenly, last September, one of the biggest contractors in the UK shut up shop.<\/p>\n<p>When ISG collapsed, thousands of businesses up and down the country were left out of pocket. Tony, a director of a construction company in ISG\u2019s supply chain, was one of many to be severely hit. To protect<br \/>\nhis business\u2019 reputation, he spoke to <em>Construction News<\/em> anonymously.<\/p>\n<p>\u201cWe\u2019re fairly robust \u2013 but we lost 25 per cent of our staff,\u201d Tony says of the fallout, adding that his firm depended on the ISG job to get through times when work contracts were thin on the ground. \u201c[It] was our \u2018winter carrier\u2019.\u201d<\/p>\n<p>His words echo the reality on the ground, as told to <em>CN<\/em> by several business owners. From multinationals to sole traders, more than 2,700 creditors were owed a total of \u00a3307.9m by ISG\u2019s main subsidiaries, its directors reported to administrators at EY after the group went under.<\/p>\n<blockquote><p>\u201cFor us, it was a big shock to the system. ISG was a major client \u2013 it was a big dent to our order book when it went under\u201d<\/p><\/blockquote>\n<p>Some companies were owed what amounted to a substantial proportion of their turnover, sometimes more than 10 per cent \u2013 occasionally a lot more, <em>CN\u2019s<\/em> analysis of the data reveals. The firms impacted range from clients and subcontractors to material suppliers, trade specialists and architects, and stretched to businesses outside of the construction sector as well.<\/p>\n<p>Tony\u2019s company has since recovered to full staffing capacity, he says. His business held on. But the same cannot be said for everyone.<\/p>\n<p>A year down the line, <em>CN<\/em> takes a look at the impact of ISG\u2019s collapse.<\/p>\n<p>We spoke to subcontractors who had worked with ISG for decades. For many, it was a major client, delivering substantial portions of their business. \u201cWe had been trading with ISG for probably the last 30 years,\u201d says one director, who we are calling Jamie. His firm, a drywall specialist based in the south of England, regularly got between 40 and 50 per cent of its work from the tier-one contractor. When ISG went down, the subcontractor was forced to let go between 100 and 125 sole traders. \u201cSo for us, it was a big shock to the system. ISG was a major client for us \u2013 it was a big dent to our order book when it went under,\u201d he says. According to administrator reports, Jamie\u2019s firm was owed millions of pounds.<\/p>\n<p>In the months leading up to ISG\u2019s collapse, it continued to receive a constant supply of public contracts, the directors of firms subcontracted to ISG tell <em>CN<\/em>. They say this reassured them that the firm was able to keep trading, and trading well.<\/p>\n<p>\u201cIn the West Midlands, [ISG] was on a lot of high-profile, high-value projects,\u201d says Tony, whose firm is based in the region. He points in particular to a \u00a332.5m job to refurbish the Birmingham City Council House, as well as a \u00a361m refurb of HMP Birmingham.<\/p>\n<blockquote><p>\u201cA lot of people will be struggling on for a long time, taking on additional borrowing\u201d<\/p><\/blockquote>\n<p>His business had struggled to secure credit insurance on its ISG jobs for 18 months before the latter went into administration, but such a scenario was not unique to ISG. However, the tier one contractor\u2019s size, coupled with the quality of its client list, lulled Tony into a false sense of security. \u201cYou\u2019d say to yourself: local authorities and the government have given ISG these multimillion-pound contracts and obviously done a lot more due diligence than we have, and have decided that it is financially secure to continue to give it this work,\u201d he recalls.<\/p>\n<h3>Uncertain pipeline<\/h3>\n<p>Jamie, too, says his firm no longer felt it necessary to perform due diligence checks on ISG after more than 30 years of contracting together. \u201cThat relationship was so strong, we didn\u2019t really go down that route, to be honest,\u201d he admits.<\/p>\n<p>The pressure was on last year as well, as work dried up around the general election in July, causing uncertainty about the pipeline of future projects.<\/p>\n<p>\u201cWhen [work is thin on the ground and] you\u2019ve got a considerable-sized job coming through, you probably take more of a risk with it than you necessarily would normally,\u201d Tony says.<\/p>\n<p>ISG\u2019s debts stretch beyond the UK to firms based in Germany, the US, Belgium, Spain, the Republic of Ireland, Sweden and the Netherlands, the analysis by <em>CN<\/em> shows. A firm of this scale permeates the fabric of society. Charities, small holiday destinations and photographers are all listed among the creditors, as well as cafes, childcare providers and coffee suppliers. Milk &amp; More, the century-old milk-delivery<br \/>\nfirm, was owed \u00a3163. A small bed and breakfast in Scotland has yet to receive the \u00a38,480 it is due.<\/p>\n<blockquote><p>\u201cYou\u2019d say to yourself: the government has given ISG multimillion-pound contracts and done a lot more due diligence than we have \u2013 and decided that it\u2019s financially secure\u201d<\/p><\/blockquote>\n<p>Local authorities and NHS trusts also felt the pinch. Together, 15 councils across the UK were owed about \u00a3650,000. The Royal Marsden NHS Foundation Trust in London was owed \u00a3350,000; it is not clear for what, and the trust declined to comment. ISG also owed Microsoft about \u00a31.7m, but the software giant also declined to say what it was for.<\/p>\n<p>The documents do not reveal how old the debts are, except for a single entry recorded in the ISG Retail accounts. The \u00a3460,000 debt is marked \u2018pre-2022\u2019, and specifies only that ISG owed the money to \u201cvarious\u201d firms.<\/p>\n<h3>Debts mapped<\/h3>\n<p>Pictured below, <em>CN <\/em>has visualised the location of every firm based in the UK to which ISG said it owed money; the larger the dot, the more money each business was owed. Despite the vastness of the debt, administrators at EY say ISG\u2019s figure of \u00a3309m was severely undercounted. In December, EY estimated ISG owed \u00a3885m to the supply chain. To put that into perspective, more than three-quarters of the biggest construction firms in the UK do not make that in a year, according to revenue tallies in the latest CN100 ranking.<\/p>\n<p><iframe loading=\"lazy\" id=\"datawrapper-chart-m6KYf\" style=\"border: none;\" title=\"Owed money by ISG when it went under - the scale\" src=\"https:\/\/datawrapper.dwcdn.net\/m6KYf\/8\/\" width=\"600\" height=\"703\" frameborder=\"0\" scrolling=\"no\" aria-label=\"Symbol map\" data-external=\"1\"><\/iframe><\/p>\n<p>Some directors also say they were owed more than ISG claimed, due to work that was completed but not paid for in the weeks before its collapse. Although ISG recorded a debt to Tony\u2019s firm of less than \u00a360,000, he claims his business is owed more than four times that amount. ISG, he says, only counted a single month\u2019s worth of debt, from July \u2013 but he says his company is also owed many times that amount for work completed in August, the month before ISG folded.<\/p>\n<p>At least 13 firms owed money by ISG have since called in liquidators or administrators themselves, <em>CN\u2019s<\/em> analysis shows. One of the first was Seventynine Lighting. Its directors blamed ISG for its own demise in October \u2013 and data shows the main contractor\u2019s failure to pay left a \u00a31.8m gap in Seventynine\u2019s coffers.<\/p>\n<p>Vitrine Systemsalso cited ISG as a reason for going under. In December, Vitrine\u2019s administrators said it had to replace a \u00a33m job in its order book when the tier one firm was kicked off a scheme Vitrine was counting on. ISG later delayed payments on three other projects, it was claimed. According to ISG\u2019s administration documents, the glazing specialist was owed about \u00a3180,000; Vitrine\u2019s administrators estimated it was \u00a3300,000.<\/p>\n<p>Two other firms \u2013 Ceiling Installation &amp; Maintenance and TFA Interior Projects \u2013 were each owed more than \u00a3500,000. Their liquidators have not yet commented on the reasons for their respective collapses.<\/p>\n<p>Multiple firms that went under before ISG\u2019s demise were also owed millions, including some former CN100 firms. The most widely known creditor is probably Michael J Lonsdale \u2013 a major mechanical and electrical contractor that called in the administrators about a year before ISG did. It was owed \u00a31.8m.<\/p>\n<p>Henry Construction \u2013 the \u00a3402m-turnover contractor that failed in June 2023 \u2013 was owed about \u00a3110,000.<\/p>\n<h3>Only a \u2018short-term blip\u2019<\/h3>\n<p>ISG\u2019s demise also hit smaller companies hard. Jamie \u2013 the director at the firm that relied on ISG for around half of its work \u2013 told<em> CN<\/em> that some of his biggest competitors went under soon after ISG, but that his business was saved by a cash pot set aside years before.<\/p>\n<p>It was quite clear, he said, that ISG was struggling when payment times started to increase, but he received assurances that it \u201cwas just a short-term blip \u2013 and that there was long-term backing coming in from an investor\u201d. That promise referred to six months of negotiations with South African businessman Andre Redinger and Australian Peter Overton, who were interested in buying ISG \u2013 a process heavily teased by ISG\u2019s executives in the last months of its existence. Last July, ISG chairman Matt Roche told staff the company\u2019s sale would be completed \u201cwithin days\u201d. So Jamie says his firm continued to work on site, \u201cfull speed ahead\u201d.<\/p>\n<p>\u201cIt was just the relationship that we had built up with them over the years and the trust we had with them, and that\u2019s what sort of led us to carry on,\u201d he adds.<\/p>\n<p>In the end, negotiations over the sale broke down and ISG went under.<\/p>\n<p>Looking back, Jamie says he might have done things differently and slowed down production at the multiple ISG sites his firm was working on, but then again, he says: \u201cHow do you sort of terminate relationships like that all of a sudden? It\u2019s not easy. It\u2019s not easy at all.\u201d<\/p>\n<h3>Workforce impact<\/h3>\n<p>Perhaps surprisingly, opinions on the quality of ISG\u2019s work and its site staff were almost universally positive among the people <em>CN<\/em> spoke to. Silvia, whose firm was mainly hit by unpaid retentions, said she was \u201cdevastated\u201d when ISG went under. \u201cThey treated us really, really well, and we were really sad to see them go,\u201d she says. Silvia acknowledges, though, that her opinion may not be shared by all of those who struggled to deal with ISG\u2019s collapse.<\/p>\n<p>Her concern at the time was for friendly acquaintances who used to work for ISG. \u201cI personally knew two single mums there \u2013 they were absolutely devastated, crying their eyes out,\u201d she recalls. \u201cThey were very, very worried.\u201d Because so many people were set to be made redundant, the fear was that the job market would soon be \u201csaturated\u201d with former ISG staff, Silvia says.<\/p>\n<p>The feeling is that the impact will continue to ripple out. The administration process, too, is set to drag on. In April, EY reported it had already spent 10,469 staffing hours on the case \u2013 just six months in. It expected the process to take \u201csome years to fully conclude\u201d, citing the complexity of construction debt recovery and \u201csignificant contractual counterclaims\u201d. ISG\u2019s records include more than 800 terabytes of data that EY must work through as part of its investigations.<\/p>\n<p>Many creditors have submitted detailed claims, but EY said in April that it faces delays in validating some invoices involving contracts with ISG, as it believes a number of firms have \u201ctaken an opportunistic and unjustified position to try to avoid further payments\u201d to them. \u201cAdjudication\/litigation is now likely to be required,\u201d EY said. That suggests a final resolution for creditors could be years away.<\/p>\n<p>In any case, EY has indicated that unsecured creditors are likely to receive any cash. The administrators do foresee a payout to HMRC \u2013 a secondary preferential creditor \u2013 although it expects the tax body will miss out on some of the \u00a391m it has claimed.<\/p>\n<h3>Closures ahead?<\/h3>\n<p>Meanwhile, Tony expects more companies to fail, with ISG\u2019s impact set to ripple through the industry for the rest of the year.<\/p>\n<p>\u201cA lot of people will be struggling on for a long time, taking on additional borrowing,\u201d he says. \u201cThere will be additional company closures because projects they depended on were delayed when ISG went under.\u201d<\/p>\n<p>Tony and Jamie\u2019s businesses have recovered to a degree. But the concern remains that the supply chain will continue to get bashed about in the coming years if more big contractors go under. As another director notes, in 30 years, he has lost well over half a million pounds from failed contractors \u2013 \u201cAnd I have never, ever had any money come out of the liquidators.\u201d<\/p>\n<p>A year after ISG\u2019s collapse, it seems certain that the supply chain will receive none of the money it is owed. But the industry \u2013 and more than 2,700 unsecured creditors \u2013 face a long wait before the full impact of ISG\u2019s collapse fully shakes out.<\/p>\n<div class=\"factfile\">\n<p>Lighthouse: The Construction Charity offers 24\/7 mental health support at 0345 605 1956<br \/>\nand via <a href=\"http:\/\/lighthouseclub.org\">lighthouseclub.org<\/a><\/p>\n<p><a href=\"https:\/\/www.matesinmind.org\/\">Mates in Mind<\/a> also provides mental health and wellbeing services tailored to the construction industry.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>At first, it felt like a wobble. Payments that had arrived reliably on time for decades were now edging past 30 days. Then beyond 45 days. Then 60. Subcontractors received assurances that this was just a \u201cblip\u201d. But suddenly, last September, one of the biggest contractors in the UK shut up shop. When ISG collapsed, &#8230;<\/p>\n","protected":false},"author":90643,"featured_media":527685,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ep_exclude_from_search":false,"footnotes":""},"categories":[79553,535,559],"tags":[],"class_list":["post-527676","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-features","category-isg","category-long-reads"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v26.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Shattered trust: one year on from ISG&#039;s collapse | Construction News<\/title>\n<meta name=\"description\" content=\"At first, it felt like a wobble. Payments that had arrived reliably on time for decades were now edging past 30 days. Then beyond 45 days. 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