Accounts Preparation

We provide the full traditional accounts preparation service.
We can assist you whether you are operating as a sole-trader; a partnership or as a limited company. We can advise on book-keeping matters and compliance matters and our staff are familiar with all of the major accounting software packages.

By using the most up to date software ourselves we are confident that we can meet all of our clients’ accounting needs in a cost effective manner.
Whether you prepare your own accounts through an accounting package, or whether you simply record your transactions – we can help you to fully meet your obligations.
We also can provide management accounts or quarterly accounting information as and when out clients require it.

Statutory Audit

McDonald O’Neill & Co are registered by The Institute of Chartered Accountants to carry on Audit work
We can perform Statutory Audits or Internal/Compliance audits for our clients. We believe that we can help our clients meet their statutory obligations as regards Audit, in a cost effective manner and in a way which actually adds value

Taxation : Personal or Corporate

We are committed to ensuring that our clients can meet all of their obligations whilst at the same time legitimately minimising the tax burden on their business, and to that end we keep our clients up to date with current tax advice and ensure that they are always aware of tax efficient solutions to suit the needs of companies, businesses and individuals.

We advise on all aspects of corporate and personal tax services including:
• Deadlines and Submissions
• Tax efficient remuneration
• Inheritance Tax (IHT) & Will Planning
• Capital Taxes
• Succession Planning
• Compliance advice
• Tax Investigations

Specialist Clients

In addition to traditional business entities, McDonald O’Neill & Co also act for a range of Specialist clients. We act for and give advice to
Pension Schemes
Not for Profit Organisations
Local community-based organisations
We are familiar with the particular issues which affect these types of organisations and are always on hand to advise on any issues which arise

Business Advice and Start-Ups

We are well placed to give expert advice to anyone who is ready to start their own business. We can guide them through all of the issues which new start-ups have to deal with. We can assist with the various registrations; with negotiating finance; with establishing the most appropriate structure; with Limited Company formations etc.etc.
Do not hesitate to contact us if you are starting in Business.
Initial consultations with a Director are Free.

Payroll and VAT

Our payroll bureau provides payroll solutions to companies of all sizes. We offer a highly efficient, cost effective payroll service and are well versed in the intricacies of the new Real Time submission system. We re well placed to advise clients on the Auto Enrolment procedures which are being rolled out at the moment.

To find out more, get in contact via email or 028 8775 0300

Take the stress out of VAT returns by appointing McDonald O'Neill and Co to compile and submit your returns on your behalf. Alternatively, if your staff require training, we can offer this service


The compliance burdens on business have multiplied over the last few years. Inland Revenue, Customs & Excise,and Companies House are all empowered to imposed financial penalties for non-compliance, whether inadvertent or not. The penalties charged are often disproportionate.

We can guide you through the complexities of making sure that you keep yourself compliant and avoid the pitfalls which can lead to surprises and unexpected costs

Tax Investigations

Tax investigations are stressful and can stretch over many months. We have many years experience in dealing with all aspects of Inland Revenue investigations and ensuring that an unpleasant experience can at least be managed speedily and an appropriate and fair settlement reached with the authorities.
We can also offer comprehensive Insurance against the professional costs involved in dealing with Revenue enquiries and investigations

Grant Applications & Funding

We can guide you through the process of applying for financial assistance – whether from Invest Northern Ireland , or from any other Grant making organisation. We also have a wealth of experience in dealing with applications for financial support from the major banks.

Business Plans & Spreadsheet Modelling

Many businesses do not fully realise the potential for spreadsheets within their business. In many cases innovative use of this tool can result in efficiencies and in the identification of real cost savings.

We can also incorporate our spreadsheet modelling skills to assist businesses in the following areas.

-Efficient Book-Keeping
-Cash flow projections and monitoring
-Business Planning
-Job costing and Tendering
-Assessments of project viability
- Goal Seek decision