In a significant and politically charged development within the European banking sector, UniCredit, Italy’s second-largest financial institution, undertook a calculated and strategic acquisition of shares in Commerzbank, Germany’s second-largest publicly listed bank. The move, unfolding over the course of late 2024, marked a bold assertion of UniCredit’s long-standing vision for cross-border banking consolidation within the European Union—a vision consistently advocated by its Chief Executive Officer, Andrea Orcel. 

In early September 2024, UniCredit disclosed that it had acquired a 9% equity stake in Commerzbank, including a 4.5% tranche purchased directly from the German government. Berlin had retained a significant ownership interest in Commerzbank since its €18.2 billion capital injection during the 2008 global financial crisis, holding 16.49% prior to this divestment. The sale reduced the government’s stake to 12%, signalling a partial retreat from its post-crisis intervention. Just ten days later, UniCredit increased its effective ownership to 21% through complex derivative instruments and forward contracts, thereby establishing itself as Commerzbank’s largest shareholder. At the same time, the Italian lender was actively seeking regulatory clearance from the European Central Bank (ECB) to raise its stake to as much as 29.9%—a strategic ceiling designed to avoid triggering a mandatory full takeover under German securities law, which sets the threshold at 30%. 

This methodical stake-building operation was widely interpreted not as a passive financial investment, but as a deliberate precursor to a broader cross-border consolidation effort. The effort aligns with calls from European regulatory authorities for deeper financial integration to improve competitiveness, resilience, and systemic stability. Yet, the initiative quickly encountered strong political headwinds in Berlin. Former Chancellor Olaf Scholz publicly defined UniCredit’s advance as an “unfriendly attack”, framing it not merely as a business manoeuvre, but as a threat to national economic sovereignty. Bettina Orlopp, Commerzbank’s chief financial officer, claimed in an interview that a takeover would lead to Commerzbank losing customers and raised the prospect of German savers being exposed to the risk of an Italian debt crisis, given UniCredit’s large holdings of Italian bonds. German politicians from across the political spectrum have insisted that Commerzbank should remain independent and in German hands as a domestic competitor to Deutsche Bank, the country’s other large nationwide lender. Berlin has said that it no longer plans to sell any more of its shareholding, making a full takeover impossible. Besides, if Berlin were genuinely worried about the spillover risks to domestic savers from cross-border banks, it should back the creation of a pan-European bank deposit guarantee scheme. Instead, Berlin has consistently blocked this vital step to complete the banking union because it entails pooling financial risks. Although, Bundesbank President Joachim Nagel claimed for the urgent need for a European Deposit Insurance Scheme (EDIS). He defended Germany’s concerns over UniCredit’s growing stake in Commerzbank, citing deeper structural issues in Europe’s fragmented banking system; he underscored how banks’ exposure to domestic sovereign debt and reliance on national deposit guarantee schemes create a dangerous link between banking stability and government solvency. This bank-sovereign nexus, he warned, poses particular risks in countries like Italy, where public debt exceeds 135% of GDP—over twice Germany’s 64%. With over a third of UniCredit’s €108 billion bond holdings in Italian sovereign debt, fears of financial contagion are not unfounded. Nagel emphasized how EDIS could break this cycle but acknowledged continued resistance—especially from German institutions wary of underwriting risks tied to less fiscally disciplined member states. His call aligns with ECB President Christine Lagarde’s recent appeal to the European Parliament to revive stalled EDIS talks, which she said are “desperately missing.” 

While the German government and finance ministry expressed deep reservations about foreign control over a key financial institution, European Union institutions struck a markedly different tone. Veerle Nuyts, spokesperson for the European Commission, highlighted that mergers and acquisitions, when properly regulated, can enhance financial resilience by allowing banks to diversify asset bases, streamline operations, and invest more aggressively in digital innovation. She noted that although the Commission refrains from commenting on specific transactions such as UniCredit’s bid for Commerzbank, it generally supports the creation of larger, more integrated banking groups, provided that restrictions are justified by legitimate concerns such as financial stability or consumer protection—and that such restrictions comply with EU treaties. ECB President Christine Lagarde reinforced this supranational perspective by publicly affirming the importance of banking sector consolidation. She asserted that cross-border mergers are vital for fostering stronger and more competitive financial institutions capable of operating at scale across the Eurozone. According to Lagarde, consolidation can serve as a bulwark against external economic shocks and enhance the global competitiveness of European banks relative to their American and Chinese counterparts. However, the mandate of the ECB, and in particular of the Single Supervisory Mechanism (SSM), must ensure that all prudential requirements and legal criteria are duly met. 

Despite these institutional endorsements, the proposed UniCredit-Commerzbank consolidation continued to expose the entrenched fragmentation of Europe’s banking system. Germany’s staunch opposition—driven by apprehensions about domestic job losses, capital flight, and the dilution of national control over strategic economic infrastructure—illustrated how national political agendas frequently override broader European integrationist goals. This resistance exemplifies the tension between the EU’s stated ambition of fostering a unified financial market and the enduring reality of national protectionism. 

Nonetheless, important regulatory milestones were achieved in early 2025. In March, the European Central Bank granted approval for UniCredit to raise its stake in Commerzbank to 29.9%.Indeed, under Capital Requirements Directive, any increase of a qualifying holding in a credit institution must be notified to and approved by the competent supervisory authority. Since both UniCredit and Commerzbank are supervised by the ECB under the SSM, the ECB is the authority that must assess and approve the transaction. The following month, Germany’s Federal Cartel Office likewise authorized the increase, enabling UniCredit to significantly expand its influence without breaching the 30% threshold that would trigger a mandatory takeover offer under German law. These developments represented a major procedural victory for UniCredit, offering it both strategic leverage and formal legitimacy in its efforts. Despite these regulatory wins, the path to full acquisition remains highly contentious and politically fraught.  

The UniCredit-Commerzbank episode thus stands as a salient case study in the interplay between capital markets, regulatory governance, and political sovereignty within the European Union. It reveals how domestic political imperatives can—and often do—supersede collective economic logic, hindering the development of a genuinely integrated financial infrastructure across the continent. As long as member states perceive systemically important banks as instruments of national policy rather than market actors embedded in a shared European economic project, the aspiration of a cohesive and competitive EU banking sector will remain unrealized. The UniCredit-Commerzbank case powerfully illustrates how political considerations continue to dominate economic rationale in the context of cross-border mergers—suggesting that deeper integration in the European banking sector, though necessary, remains politically fraught and institutionally constrained. 

This article is based on discussions that took place during the workshops as part of EUCHALLENGES, a Jean Monnet Centre of Excellence co-funded by the European Commission under grant agreement no. 101127539.