Fairstone Ireland has today announced a new strategic partnership with Castle Capital in Limerick, marking its second partnership of 2026 and 15th nationwide, as the firm continues to accelerate its ambitious national growth strategy.
This latest partnership further strengthens Fairstone’s presence in the Mid-West and builds on the company’s momentum in 2025 and strong start to 2026. It represents another significant milestone in Fairstone’s mission to become Ireland’s most trusted and progressive financial planning firm.
Castle Capital, a highly respected local advisory firm, joins the Fairstone network, bringing deep regional expertise and long-standing client relationships. In line with Fairstone’s partnership model, Castle Capital will retain its leadership team, staff, and client-first culture, while benefiting from Fairstone’s national scale, regulatory strength, advanced technology, and enhanced investment solutions.
With assets under management now exceeding €2.9 billion, Fairstone Ireland continues to attract high-quality advisory firms seeking long-term security, operational excellence, and a future-proof platform without sacrificing independence or personal service.
Paul Merriman, CEO of Fairstone Ireland, commented:
“This partnership represents another major step forward in our expansion across the Mid-West and is a strong statement of intent for 2026. Limerick is a strategically important region for us, and Castle Capital is exactly the kind of firm we want to partner with values-driven, professional, and deeply committed to its clients.
I’m delighted to welcome Fergus, Jonathan, and the entire team to Fairstone. Our ambition is clear: to build Ireland’s most trusted financial planning firm, one great partnership at a time.”
He added:
“What truly differentiates Fairstone is our people-first philosophy our advisers, our teams, and our clients. This is not about consolidation for its own sake; it’s about building something better for the future of financial advice in Ireland.”
Jonathan McDonnell, Director of Castle Capital, said:
“Joining Fairstone allows us to protect what makes our business special while gaining access to the scale, support, and expertise of a national organisation. This partnership will enable us to invest further in our people, broaden our capabilities, and ultimately deliver even stronger outcomes for our clients.”
Anthony O’Driscoll, Head of M&A at Fairstone Ireland, added:
“The calibre of firms choosing to partner with Fairstone continues to rise, and this latest deal in Limerick is a testament to the strength of our model. We are building a truly national firm, grounded in local trust, long-term thinking, and professional excellence. Our pipeline for 2026 is exceptionally strong.”
This announcement reinforces Fairstone Ireland’s commitment to regional growth, adviser empowerment, and redefining best-in-class financial planning nationwide. With further partnerships expected in the months ahead, Fairstone is firmly on track to reshape the future of financial advice in Ireland.
