Iress RSP Network Adds Old Mission’s ETF Liquidity for UK Retail Brokers

2 days ago

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Iress has expanded its UK Retail Service Provider (RSP) network with the addition of Old Mission, the global cross-asset market maker known for its deep expertise in pricing platform-traded funds. The move strengthens one of the quickest-growing segments of UK retail trading and broadens the liquidity and quote competitiveness available to brokers and their end-investors.

By joining the Iress RSP ecosystem, Old Mission will deliver tighter ETF pricing, deeper liquidity and improved execution outcomes to the more than 150 retail brokers and platforms connected through Iress technology. The firm went live at the end of October, following a rapid and streamlined certification process.

“We’re delighted to welcome Old Mission as a market maker on the RSP network,” said Debbie Kaye, Executive General Manager, UK Trading at Iress. “Its ETF expertise and commitment to efficient, transparent market making significantly enhance the liquidity available to Iress customers and reinforce our mission to deliver seamless, multi-asset to the retail market.”

Takeaway

Old Mission’s addition deepens ETF liquidity across Iress’s RSP network, improving price quality and execution outcomes for .

ETF Liquidity Becomes a Strategic Priority for Retail Brokers

ETF activity among UK retail investors has continued to climb, driven by broader product availability, increased market education, and the shift toward diversified, low-cost portfolio construction. With this growth comes the need for consistent liquidity and price transparency, particularly as investors demand tighter spreads across a widening universe of funds.

Old Mission’s entry into the Iress network provides retail brokers with access to a global market-making firm that specialises in ETF valuation across multiple asset classes. The partnership brings:

More competitive, multi-asset ETF quotes through a single RSP connection
Improved execution certainty for retail investors via deeper liquidity pools
Broader product coverage aligned with the growth in thematic and cross-border ETFs
Transparent, high-quality pricing from a specialist

For Iress, the agreement supports its wider vision of an integrated retail trading ecosystem that enhances investor access and simplifies connectivity for brokers navigating an increasingly complex ETF landscape.

Takeaway

As ETFs surge in popularity, retail platforms are prioritizing stable liquidity and competitive spreads — areas where specialist market makers like Old Mission play an essential role.

Old Mission Extends Its Reach Across UK Retail Trading

Old Mission’s participation in the RSP network marks another milestone in the firm’s strategy to broaden access to its ETF pricing capabilities across global markets. The company emphasised that the partnership aligns with its mission to deliver high-quality liquidity and precise pricing to a wider range of counterparties.

“Joining the Iress RSP network is a natural extension of our goal to provide liquidity efficiently and transparently,” said Lee Williams, Director at Old Mission Europe. “Iress’s retail connectivity allows us to reach brokers and platforms at scale while maintaining our focus on price quality and service for end-investors.”

The collaboration reflects a growing convergence between institutional-grade market-making and , with retail brokers increasingly viewking partners capable of supporting complex multi-asset quoting and execution.