AVAILABILTY OF PROPOSITIONS
Some reduction in overall numbers of TPPs, but the ecosystem remains vibrant
Since 2022, OBL has tracked the number and type of TPP propositions in the market, using six high-level propositions outlined in the original CMA Retail Market Investigation. Overall, we see a small contraction in the number of TPPs which has fallen to 145 in March 2025 from 155 when this analysis was last completed in December 2022.
Figure 11: Number and Type of Live to Market TPP Propositions

We continue to monitor the same six categories of proposition as set out below, although we have continued to see innovation in the types of firm within each area:
The most notable decline is in Improved Financial Decision Making, where the number of active firms has fallen from 49 to 39 through a combination of market exit and consolidation. In contrast, the number of payments firms has, in fact, increased by two, to 45.
What these numbers disguise, however, is the vibrancy of the open banking ecosystem, with a number of exits and new firms joining the ecosystem. In total, 33 firms left the ecosystem and 23 joined. The reasons for exit are varied, including acquisition, merger, funding issues, and strategic withdrawal.
Agency models remain a vital route to market
In understanding the shape and dynamics of the open banking ecosystem, it is vital to highlight that there are a far broader range of organisations using open banking data and payments than the 145 regulated TPPs. There are two other high-level routes firms can use when bringing a proposition to market, with the appropriate option depending on the level of ambition, time to market, the nature of the proposition and the regulatory position. These are:
- Agency models: unregulated firms can be agents of TPPs and bring propositions to market on this basis.
- Firms operating outside PSD2: the way that open banking works in the UK means that a firm does not need to be regulated under PSD2 to offer open banking payments as a checkout option or to utilise open banking data.
What we see in terms of TPPs is, therefore, potentially the tip of the iceberg. We know that there are potentially thousands of firms which enter an arrangement with a TPP to utilise open banking data, for example lenders, firms undertaking affordability assessments, loyalty providers, or identity specialists, and there is no data in the public domain on the extent of this.
The same is true in payments, where many leading billers and merchants offering open banking payments as an option at checkout are not PISPs. These companies enter a commercial agreement with a PISP to offer an alternative means of payment to their customers. Again, there are likely to be many such firms, possibly thousands, operating in the market today.


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