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Business Details
20 Years
experience
Your Trusted Chartered Accountants in Toomebridge
Established in 2006, S. ONeill and Company and Company has built a reputation as a trusted provider of accountancy services in Toomebridge and surrounding areas. Our team delivers practical, straightforward advice tailored to the needs of diverse clients, including buy-to-let landlords, owner-managed businesses, charities, and not-for-profit organisations. With a focus on compliance and strategic growth, we support clients in navigating complex financial regulations while prioritising accuracy and transparency. Our expertise spans business advisory, tax planning, payroll management, and VAT consultancy, underpinned by a commitment to maintaining the highest professional standards. Operating from a modern office in Toomebridge, we combine local knowledge with international experience to serve clients across the UK and beyond.

Our partner, Sinad ONeill, brings over two decades of industry expertise, having qualified as a chartered accountant in 2001 and previously worked with Grant Thornton and the Northern Ireland Audit Office. We utilise both traditional and digital accounting systems to ensure records are up-to-date, accessible, and aligned with evolving client needs. Client relationships are at the heart of our practice, with a focus on long-term partnerships built on trust and reliability. Our services are designed to reduce administrative burdens, maximise profitability, and help clients achieve their financial objectives efficiently. This dedication to excellence has solidified our position as a leading accountancy firm in the region.
Services
Business Advisory VAT Services Book-Keeping Payroll Services Tax Planning Company Registration Cashflow Management Audit Services Management Accounts CIS Returns
Details
  • Year established: 2006
Highlights and features
  • We offer over 15 years of experience in accountancy services since 2006.
  • Our team provides tailored advice for buy-to-let landlords and owner-managed businesses.
  • We ensure compliance with UK financial regulations and tax requirements.
  • Our partner holds a Master's in Finance and is a qualified Chartered Accountant.
  • We combine manual and digital accounting systems for accurate, accessible records.
Associations and certifications
  • Institute of Chartered Accountants in England and Wales (ICAEW)
Services
Business Advisory
We provide strategic guidance to help businesses optimise operations and profitability. Our services include cashflow management, credit control, and business structure planning. Clients benefit from tailored solutions to support growth and regulatory compliance.
VAT Services
Our VAT experts advise on scheme selection, registration thresholds, and reclaim processes. We handle monthly, quarterly, and annual returns for UK and ROI clients. Services include DIY VAT claims and rate calculations for cross-border transactions.
Payroll Services
We manage PAYE, RTI submissions, and auto-enrolment pensions for businesses. Our services include CIS returns, tax deduction checks, and P60 reviews. Accurate processing ensures compliance with HMRC requirements.
Tax Planning
We offer comprehensive tax planning for individuals and businesses, covering inheritance tax, capital gains, and corporation tax. Our strategies aim to minimise liabilities while ensuring compliance with current legislation.
Book-Keeping
We maintain up-to-date financial records using manual systems or software like Sage and QuickBooks. Services include management accounts, variance reports, and cashflow projections to support informed business decisions.
People
Sinad ONeill
Partner
Fellow of the Institute of Chartered Accountants with over 20 years' experience. Qualified in 2001 after training with Grant Thornton and the Northern Ireland Audit Office. Specialises in business advisory and tax compliance.
Questions
What accounting software do you work with?
We support manual records, Excel spreadsheets, and digital platforms including Sage 50, Sage One, and QuickBooks Online.
Can you help with VAT registration?
Yes, we advise on VAT scheme suitability and handle registration, returns, and reclaim processes for UK and ROI businesses.
Do you offer payroll management services?
We provide full payroll services including RTI submissions, CIS returns, and pension auto-enrolment compliance.
What business structures do you advise on?
We help clients choose between sole trader, partnership, or limited company structures based on their specific needs.
Are you qualified to handle audits?
Our firm is registered to conduct audits, with expertise in statutory and regulatory compliance requirements.