The European Commission has approved the acquisition of Porterbrook, a UK-based company providing rolling stock leasing services.
Acting under the EU Merger Regulation, the Commission authorised the acquisition of joint control over Porterbrook Holdings I Limited, one of the largest owners and lessors of railway rolling stock in the United Kingdom.
The transaction involves a consortium formed by Dalmore Capital (UK), Allianz Capital Partners (Germany), CBRE Caledon Napier Investments (Canada) and Alberta Investment Management Corporation (AIMCo, Canada), marking a significant consolidation in rail infrastructure investment and train leasing.
The Commission concluded that the deal does not raise competition concerns within the European Economic Area, as the parties are not active in the same or vertically related markets. As a result, the transaction was assessed under the simplified merger control procedure and deemed compatible with EU internal market rules.
Porterbrook – a key player in UK rail leasing
Porterbrook is one of the three major ROSCOs (Rolling Stock Companies) in the UK and plays a crucial role in financing, owning and maintaining the train fleet used by British rail operators.
The company manages an extensive rolling stock portfolio, directly contributing to the modernisation of rail transport in the United Kingdom. Its fleet comprises around 4,000 vehicles, including regional, intercity and high-capacity trains as well as freight rolling stock.
Although Porterbrook operates primarily in the UK, the transaction reflects a broader European trend: the growing role of investment funds and institutional capital in financing rolling stock and rail infrastructure.
This financing model is becoming increasingly important as European states seek to accelerate fleet renewal while reducing pressure on public budgets. Allianz, CBRE Napier and AIMCo are major institutional investors with global exposure to infrastructure and mobility assets.
Dalmore Capital is an infrastructure-focused investor with experience in transport and energy assets. On 22 May, Royal London Asset Management (RLAM) entered into an agreement to acquire Dalmore Capital, which manages around £6 billion in assets across five flagship funds, subject to regulatory approval. As part of the deal, Royal London has committed up to GBP 500 million to future Dalmore funds.
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