Welcome to At Once Mortgages, where your mortgage is our priority

Our Services

First Time Buyer

Taking your first step onto the property ladder is an exciting milestone, and we're here to make the journey as smooth and stress-free as possible. Our first-time buyer mortgage options are designed with simplicity, support, and affordability in mind. Whether you’re just starting to explore your options or ready to make an offer, we’ll guide you through every stage — from finding the right mortgage to securing the best possible deal. With access to a wide range of lenders and exclusive products, we help you make informed decisions with confidence. Let us help turn your dream of homeownership into a reality.

Remortgage/Switch

Whether your current deal is coming to an end or you’re simply looking for a better rate, our remortgage and switcher options can help you save money and take greater control of your finances. We work with a wide panel of lenders to find competitive deals tailored to your needs — whether you're aiming to lower your monthly payments, release equity, or switch to a more flexible product. Our expert team makes the process straightforward, handling everything from paperwork to lender negotiations, so you can focus on what matters most. Let us help you make your mortgage work better for you.

Buy To Let

Whether you're a seasoned landlord or investing in your first rental property, our buy-to-let mortgage solutions are designed to help you make the most of your investment. We offer access to a wide range of lenders and products, including options for limited companies and portfolio landlords. Our expert advisors will guide you through the specific criteria and regulations that apply to buy-to-let properties, helping you find a mortgage that suits your goals and maximizes your rental returns. From initial planning to securing the right deal, we’re here to support your property investment journey every step of the way.

About Us

Established in 2021, At Once Mortgages is a Cork-based mortgage brokerage committed to making the mortgage process faster, clearer, and more accessible for clients across Ireland. Founded on the principles of transparency, efficiency, and personalised service, the firm has quickly become a trusted partner for first-time buyers, home movers, switchers, and investors alike.

With a team of experienced advisors and strong relationships with a wide range of lenders, At Once Mortgages delivers tailored mortgage solutions designed to suit each client’s unique financial situation. The brokerage prides itself on providing expert advice, straightforward communication, and hands-on support at every stage of the mortgage journey.

Whether you're just starting out or looking to make a strategic move, At Once Mortgages is here to guide you—every step of the way.

Meet the Team

  • With over 20 years of experience in the financial services industry, David O'Mahony is a trusted and highly regarded mortgage broker based in Cork City. Known for his in-depth market knowledge, client-first approach, and ability to navigate even the most complex mortgage cases, David has helped hundreds of individuals and families secure their dream homes and investment properties.

    Specialising in first-time buyers, self-employed applicants, and those seeking to switch or refinance their mortgage, David offers clear, tailored advice and works with a wide panel of lenders to find the most competitive options. His commitment to transparency, responsiveness, and long-term client relationships has earned him a strong reputation across Munster.

    Whether you're taking your first step onto the property ladder or looking to optimise your current mortgage, David O'Mahony provides expert guidance every step of the way.

  • Diarmuid O'Riordan is a mortgage consultant working with At Once Mortgages and a seasoned mortgage consultant with over 20 years of experience in the financial services industry. Throughout his career, Diarmuid has built a reputation for integrity, expertise, and an unwavering commitment to client success.

    Under his guidance, At Once Mortgages has grown into a trusted name, known for delivering clear, honest mortgage advice and tailored solutions for first-time buyers, switchers, and seasoned property investors. Diarmuid combines deep industry knowledge with a hands-on, client-focused approach—ensuring every applicant receives the guidance and support needed to make informed financial decisions.

    His long-standing relationships with lenders and deep understanding of the Irish mortgage landscape make him a go-to expert for clients seeking reliable, results-driven advice.

  • Cormac Collins is a dedicated mortgage consultant at At Once Mortgages, having joined the team in 2022. With a strong focus on client care and practical financial guidance, Cormac helps individuals and families navigate the mortgage process with confidence and clarity.

    Since joining the firm, Cormac has built a reputation for his approachable manner, attention to detail, and ability to simplify complex mortgage options. Whether advising first-time buyers, home movers, or those looking to switch or refinance, he provides clear, tailored solutions that align with each client’s unique goals and financial situation.

    Cormac is passionate about making homeownership accessible and stress-free, backed by the trusted support and resources of At Once Mortgages.

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