McGuinness O Neill Ltd

M​cGuinness O’Neill Limited is a tech‑driven accounting practice that helps Irish businesses – from fledgling start‑ups to established cross‑border enterprises – navigate the financial side of growth with confidence. Based in Buncrana, County Donegal, the firm combines a paperless, cloud‑based approach with a personal, “sounding‑board” ethos, ensuring clients receive clear, cost‑effective solutions at every stage of their journey.

Their service suite covers the full spectrum of everyday bookkeeping, tax compliance and chartered‑accountant expertise, alongside specialist offerings such as business planning, management accounting, cash‑flow monitoring, audit & assurance and tailored training. M​cGuinness O’Neill serves a diverse range of sectors—including startups, wholesale and retail, e‑commerce, hospitality, engineering and construction, motor trade, health and fitness, farming, hair & beauty, non‑resident landlords and cross‑border businesses. Transparency is a core value, with detailed fee breakdowns and a client‑login portal that links to award‑winning technology partners, delivering a seamless, integrated experience that saves time and money.