Oriana Pérez | Accounting Assistant & Revenue Compliance Specialist

Expertise: Revenue Online Service (ROS), Audit Programs, and Client Relations

Oriana Pérez is a dedicated Accounting Assistant at OSA McQuillan, recognized for her precision in managing the critical data flow between our clients and the Irish Revenue Commissioners. With a Bachelor’s degree in Business Administration, Oriana combines academic rigour with advanced data analysis to ensure that every client’s financial records are processed with maximum efficiency.

  • Revenue & Tax Compliance: Oriana is highly proficient in navigating ROS (Revenue Online Service) and managing Tax Clearance procedures. Her expertise ensures that clients remain in good standing with tax authorities, facilitating smooth business operations and grant eligibility.

  • Systems & Data Automation: A specialist in cloud accounting workflows, Oriana utilizes SageOne, Sage Production, and AutoEntry to streamline the receipt and processing of client information. By automating data entry, she reduces the margin for error and accelerates report preparation.

  • Audit & Reporting Support: Oriana plays a key role in the execution of audit programs and the preparation of detailed financial reports. Her analytical skills allow her to identify key data trends, providing the senior accounting team with the insights needed for high-level financial oversight.

  • Client-Centric Advocacy: Beyond the numbers, Oriana is known for her “genuine care and understanding.” She excels at helping clients navigate complex tax matters, providing a supportive and professional environment that simplifies the most challenging financial tasks.

Driving Office Excellence Oriana’s ability to manage scheduling and key office processes ensures that the OSA McQuillan team remains responsive and organized. Her blend of technical proficiency and empathetic client service makes her an indispensable asset to both our firm and the businesses we serve.

Core Competencies:

  • Compliance: ROS Management, Tax Clearance, Audit Program Support.

  • Technology: SageOne, Sage Production, AutoEntry.

  • Administration: Data Analysis, Strategic Scheduling, and Report Preparation.

Connect with Oriana:

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Bigtobz DaBarber profile picture
Bigtobz DaBarber
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Best accountant ever. The guys are the coolest people ever. Very forthcoming and understanding. If you want to have peace of mind with your business, OSA Mcquillan is the way to go! Eamon and Fahad are gents!
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Marion Fenton
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Eamon and team have been accountants for my small business for the last few years. They are always reliable, have given me excellent guidance over the years, and most importantly for me, there is always someone to pick up the phone when I call. I fully recommend them.
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Lara profile picture
Lara
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I've always had a good experience with Eamon and his team, they are incredibly responsive, every time I reach out with a question or issue, they get back to me quickly with clear, helpful responses. I highly recommend them if you're looking for a reliable and professional accounting service! Thank you!
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Y Prospera
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Very professional and nice people...
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furniture factory
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We are working with these guys in past 7 years and all I have to say is that they are the best in their job . So easy to communicate with them And they are on top of everything on time ! Five stars not enough really! Thanks guys
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Ambrose Klaric
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I had a horrifying experience with an accountant in Dublin, and as I was scouring the internet for a halfway decent one, a friend suggested Eamon and I am so glad they did. Eamon and his team are incredibly professional, but beyond that they are compassionate and genuinely interested in helping you with your business needs as well as helping you navigate the revenue system with comfort and ease. Thank you for all your work!
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Adam Elijah
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OSA McQuillan provides us with an excellence service and are always very helpful with any additional queries requests we may have.
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Imran Butt
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Eamon is very professional and Knowledgeable Accountant. We have been dealing with Eamon and his team since 2021 and found their work 100% at all times. Happy to recommend. Imran Butt
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