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13 October 2025
by Payments Intelligence
UK payments leaders face a pivotal moment as account-to-account (A2A) payments begin to reshape the competitive landscape. Despite world-class infrastructure, the UK continues to lag in A2A adoption, with only 5% of e-commerce transactions compared to a 17% European average.
Globally, A2A systems have transformed digital commerce at pace. Brazil’s Pix now commands an estimated £28 billion ($35 billion) in online transaction value, despite operating independently of open banking, while Poland’s Blik captures around 70% of local e-commerce. These models show that scale can be achieved through very different paths—centralised infrastructure in Brazil, bank-led collaboration in Poland.
The UK’s route, anchored in open banking, presents both distinct challenges and strategic opportunities. With the underlying rails in place, success depends on whether the ecosystem can convert regulatory innovation into commercial adoption at scale.
The global A2A opportunity—projected at £3 trillion ($3.8 trillion) by 2030—demands immediate strategic focus. Visa, Worldpay, and Mastercard are already deploying diverging strategies, and commercial variable recurring payments (VRP) launching through 2025 could prove a key inflexion point. The economic case is compelling: lower costs, instant settlement, and simplified processing. But market leadership will hinge on one factor above all others—execution speed.
The global digital payments market continues to expand, with non-cash transactions now representing two-thirds of e-commerce value and projected to exceed three-quarters by 2030. Within this broader growth, A2A payments are the fastest-rising segment, forecast to approach £3 trillion ($3.8 trillion) globally by the end of the decade.
While markets such as Brazil and Poland have demonstrated how policy alignment and unified infrastructure can drive mass adoption, the UK remains constrained by entrenched consumer habits rather than technical limits. Faster Payments provides world-class capability, yet consumer-to-business usage remains minimal.
Competitive dynamics are now intensifying across the value chain. Card schemes are defending volumes through embedded A2A propositions and enhanced protections. Acquirers and gateways are adjusting pricing models to reflect instant settlement and lower acceptance costs, while open banking providers such as TrueLayer and Volt are extending merchant reach and consumer experience layers. The result is a market where traditional boundaries between schemes, acquirers, and infrastructure providers are increasingly blurred.
For UK payments leaders, the question is no longer if A2A achieves scale but how value will be distributed across this reconfigured ecosystem—and whether domestic adoption can accelerate before global platforms establish dominance.
Market signals:
As competitive pressures intensify, attention is shifting from adoption challenges to the strategic infrastructure choices shaping how A2A payments scale. The next phase of development is being defined by how established schemes and new entrants position themselves across the payment stack.
The A2A payments infrastructure landscape is transforming as three distinct strategic approaches emerge from major schemes, each targeting different aspects of the consumer and merchant value chain.
Visa’s protection-first strategy addresses the trust deficit between traditional card payments and newer A2A alternatives. Developments throughout 2025 demonstrate Visa’s significant investment in consumer protections, including dispute resolution mechanisms, biometric authentication, and real-time payment confirmations. Early partnerships with UK banks and utility providers signal serious market intent, with e-commerce expansion expected later in the year. This approach recognises that consumer confidence, rather than technical capability, remains the primary barrier to widespread adoption.
Worldpay has chosen a partnership-driven path through its collaboration with Volt’s open banking connections. Rather than investing in proprietary payment rails, this model enables rapid market entry while offering merchants simplified integration and lower acceptance costs compared with traditional card processing. The strategy acknowledges that speed to market and merchant accessibility often outweigh infrastructure ownership when driving adoption.
Mastercard continues to advance a platform-centric approach, emphasising technical strength through ISO 20022 compatibility and sandbox testing environments for banks and fintech partners. Recent demonstrations showcase expanded use cases across person-to-person transfers, retail transactions, and B2B payments, alongside emerging digital asset capabilities. This infrastructure-first strategy positions Mastercard as the foundational layer upon which others can build.
For payments leaders, this three-way competition brings clear advantages: lower merchant costs, faster settlement times, and broader integration options. However, without established interoperability standards, merchants risk facing fragmentation across systems, inconsistent dispute resolution processes, and rising integration complexity.
The £650 billion ($850 billion) projected global A2A e-commerce opportunity by 2026 ensures continued innovation, but success will ultimately depend on which approach best balances technical capability with practical merchant needs and consumer trust.
UK open banking is moving from regulatory initiative to commercial infrastructure, as adoption data reveal both progress and persistent barriers. Despite a strong policy framework, A2A payments account for only around 5% of e-commerce transactions — far behind markets with similar technical capabilities.
Variable recurring payments (VRPs) remain the most promising catalyst for mainstream adoption. Sweeping VRPs, operational since 2022 across the CMA9 banks, have demonstrated success in automated savings and debt repayment. The expansion of commercial VRPs through 2025 opens the door to subscription management, utility billing, and merchant-initiated payments under pre-approved consumer parameters. This shift could finally align regulatory capability with commercial utility.
The November 2024 National Payments Vision (NPV) set a clear direction for modernising payment infrastructure. Regulation now focuses on security frameworks, fraud prevention, and commercial structures that support A2A growth. Yet the transition from regulatory success to consumer adoption remains incomplete.
Despite strong technical foundations, several structural barriers continue to limit progress. The absence of a unified consumer-facing brand for A2A payments creates confusion, while inconsistent user journeys fragment the experience. Limited public awareness and integration complexity discourage merchants from prioritising A2A.
Consumer confidence depends on three fundamentals: security, control, and recourse. Until these are consistently delivered through trusted brands and coherent user experiences, UK adoption will continue to lag behind markets such as Poland and Brazil, where unified payment systems like Blik and Pix have driven mass adoption. The infrastructure is ready; what remains is the creation of a cohesive, trusted experience that converts technical maturity into commercial scale.
Market signals:
The financial case for A2A payments combines clear economic advantages with emerging risk considerations. The cost benefits are immediate: instant settlement removes float costs, interchange fees are eliminated, and simplified processing reduces operational complexity compared with traditional card acceptance.
These efficiencies, however, must be balanced against an evolving fraud landscape. Instant payments expose consumers to authorised push payment (APP) fraud, where individuals are deceived into transferring funds to fraudulent recipients. UK Finance data show APP losses reached £459.7 million ($574 million) in 2023, representing around 0.04% of Faster Payments volume. By comparison, remote purchase (card-not-present) fraud totalled £360.5 million ($450 million) in 2023, rising slightly to just under £400 million ($500 million) in 2024. Context is important: A2A transactions remain largely peer-to-peer, outside higher-risk merchant categories where most fraud occurs. As A2A expands into mainstream e-commerce, its fraud profile is likely to evolve.
For merchants, even modest A2A adoption delivers measurable benefits—lower processing costs, immediate liquidity through instant settlement, and reduced reliance on card networks. Government-backed initiatives in markets such as Brazil and Poland demonstrate the potential value once consumer trust and merchant acceptance converge. When current fraud exposure is weighed against the removal of interchange fees (typically 0.3–1.5% for card payments), the overall economic case remains compelling, though it will require continuous monitoring as transaction patterns shift.
Ultimately, the equation depends on scale. Merchants achieving meaningful A2A penetration will realise genuine cost efficiencies and improved cash flow, while those with limited adoption may face integration efforts without corresponding returns.
Market signals:
Payments leaders must act decisively as A2A adoption nears its tipping point. Immediate assessment of provider strategies is essential. Visa’s protection-first framework, Worldpay’s partnership-led model through Volt, and Mastercard’s infrastructure-focused approach each offer distinct advantages depending on organisational priorities. Early adoption should target high-value use cases where A2A’s cost benefits are most compelling, particularly recurring payments and B2B transfers, supported by clear customer education around security, control, and cost efficiency.
Medium-term readiness will be shaped by the commercial rollout of VRPs throughout 2025—a catalyst with potential to accelerate mainstream adoption. Organisations must integrate advanced fraud detection and prevention capabilities into A2A workflows while maintaining card acceptance as a practical fallback during the transition period.
Market evolution is expected to accelerate between 2025 and 2030, with global A2A e-commerce projected to reach around 9% by the end of the decade. UK adoption should strengthen through supportive regulation, infrastructure reforms from Pay.UK, and growing commercial pressure on traditional card fees.
The A2A shift represents the most significant evolution in UK payments since the rise of contactless. With regulation and infrastructure already in place, success now depends on execution speed—those who move first and integrate most effectively will shape the next phase of competition in UK payments.
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