Tax Compliance Administrator (Part-Time 25 hours per week) - Belfast MCS Group is partnering with a long-established, internationally operating Multi-Family Office, recognised as a Best Place to Work 2025, to recruit a part-time Tax Compliance Administrator in Belfast. The Company: A long-established, family-founded Multi-Family Office with over 20 years' experience in managing investments and estates, now operating internationally with offices in Belfast, Jersey, Malta and the Isle of Man. Following partnerships with leading investment groups and consistent year-on-year growth through acquisitions, the organisation was recognised as a Best Place to Work 2025. The Belfast office provides specialist back-office tax and governance support to a Jersey-regulated business, with a close-knit team spanning HR, legal, administration, and finance, all contributing to the delivery of high-quality service to a global private client portfolio. What's in it for you? Discretionary bonus scheme 25 days annual leave plus bank holidays Flexible working between 7am-7pm Hybrid working Training academy support for professional exams and qualifications Group Life Assurance (3x salary to age 65) Private Medical Insurance (employee cover) Pension: 3% employer contribution 4% minimum employee contribution Job Duties of the Tax Compliance Administrator include: Prepare and submit UK personal tax returns for non-resident clients Maintain compliance calendars and ensure all HMRC deadlines are met Collate financial data and maintain accurate tax records (digital and physical) Update internal systems with tax filings and client information Communicate professionally with HMRC and support compliance reporting Support delivery of high-quality, compliant service to a global private client portfolio What you need to be the Successful Tax Compliance Administrator 1-2 years' experience in an office or administrative role Basic understanding of UK personal tax and HMRC processes Interested in studying towards ATT qualification Highly organised with strong attention to detail and deadline focus Confident using Excel for data handling and basic analysis Professional communicator with a proactive, client-focused approach To speak in absolute confidence about this opportunity please send an up to date CV via the link provided or contact Brad Dempster, Specialist Recruitment Consultant at MCS group on or Even if this position is not right for you, we may have others that are. Please visit MCS Group to view a wide selection of our current jobs Not all agencies are the sameMCS Group are passionate about providing a first-class service to all our customers and have an independent review rating of 4.9 stars on Google. Skills: Tax Compliance Administrator Tax compliance Tax Personal Tax Capital Gains Tax MTD ADZN1_NI