Are you a qualified accountant looking for a high-impact role with flexibility? Our client, a reputable mid-tier accountancy firm, is seeking a Financial Controller to work with a portfolio of clients on a part-time basis (3 days per week). This role is ideally suited to someone with a practice background or prior experience managing multiple client portfolios particularly within the legal and financial services sectors. Youll be based on-site with clients (Dublin City Centre and South Dublin), acting as a trusted finance partner and delivering hands-on support with strategic oversight. The Opportunity Youll take ownership of the finance function for a select group of clients, providing both operational and strategic support. This is a dynamic, people-facing role where your input directly influences client performance, controls, and reporting quality. Key Responsibilities Act as Financial Controller for a portfolio of SME clients across legal, finance, and professional services. Prepare and review management accounts, budgets, forecasts, and cashflows. Advise clients on financial controls, process improvements, and commercial decisions. Ensure tax compliance and coordinate with auditors and tax advisors. Implement or optimise accounting systems (e.g. Xero, Sage, QuickBooks). Report regularly to the accountancy firms leadership on client performance and risks. Requirements ACA / ACCA / CIMA qualified accountant with minimum 3 years' post-qualified experience. Practice-trained, or strong previous experience in an outsourced or multi-client environment. Confident working directly with clients in professional environments. Strong technical knowledge and commercial acumen. Ability to work independently and manage multiple priorities. Experience with cloud-based accounting software is a plus. Whats on Offer Part-time role: 3 days per week (set or flexible days can be discussed). Client-site work offering variety and strong professional relationships. Excellent work-life balance and autonomy. Supportive firm culture with room to grow if desired.