Expertise: Cloud Accounting Integration, E-commerce Management, and IT Infrastructure
Luis Chacon has been a vital part of the OSA McQuillan team since 2019. He occupies a unique role that bridges the gap between traditional accounting assistance and modern digital operations. By managing the firm’s technical ecosystem, Luis ensures that our financial systems are seamless, secure, and highly efficient.
Accounting Support & Data Integrity: Luis possesses extensive experience in bookkeeping and the processing of daily invoices and statements. He is a power user of Sage Accounts Production, AutoEntry, and InvoiceAsap, where he manages sales, purchases, and credit note processing with meticulous accuracy.
E-commerce & Systems Management: Beyond core accounting, Luis is an expert in managing Shopify and WordPress environments. He oversees inventory control, product management, and price adjustments, providing essential support for clients operating in the digital marketplace.
IT Infrastructure & Technical Problem Solving: Luis serves as the firm’s internal IT anchor. From basic programming to solving complex software conflicts, he keeps all systems updated. His proficiency in Advanced QuickBooks and MS Office Suite allows him to troubleshoot and optimize the tools our team uses to serve our clients.
Financial Correspondence: Luis acts as a key point of contact for clients and contractors regarding payments, lodgements, and financial enquiries, ensuring clear communication and professional relationship management.
Driving Efficiency Through Technology In a rapidly evolving financial landscape, Luis’s ability to manage accounts payable, process EFT payments, and maintain digital storefronts makes him an indispensable asset. His work allows our senior consultants to focus on high-level strategy while he ensures the underlying data and technology are flawless.
Technical Mastery:
Accounting Platforms: Sage, QuickBooks, AutoEntry, InvoiceAsap.
E-commerce & Web: Shopify (Management & Inventory), WordPress (Maintenance).
Core Skills: Accounts Payable/Receivable, EFT Processing, IT Troubleshooting.
Connect with Luis:
LinkedIn: [Link to Luis’s Profile]
EXCELLENT
Based on 24 reviews
Posted on Google![]()
Bigtobz DaBarberTrustindex verifies that the original source of the review is Google.
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!Posted on Google![]()
Marion FentonTrustindex verifies that the original source of the review is Google.
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.Posted on Google![]()
LaraTrustindex verifies that the original source of the review is Google.
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!Posted on Google![]()
Y ProsperaTrustindex verifies that the original source of the review is Google.
Very professional and nice people...Posted on Google![]()
furniture factoryTrustindex verifies that the original source of the review is Google.
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 guysPosted on Google![]()
Ambrose KlaricTrustindex verifies that the original source of the review is Google.
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!Posted on Google![]()
Adam ElijahTrustindex verifies that the original source of the review is Google.
OSA McQuillan provides us with an excellence service and are always very helpful with any additional queries requests we may have.Posted on Google![]()
Imran ButtTrustindex verifies that the original source of the review is Google.
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 ButtVerified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more