Whatever you're accounting needs, we're here to help improve and streamline the process.

Delivering clarity, consistency and confidence in your numbers

Book-Keeping and Accounting by Marion McCarthy

SERVICES

  • Our Financial Management Services Include:

    • Management Accounts and Reporting – Clear, timely financial reports highlighting profitability, cash flow, and key trends to support confident, data‑driven decisions.

    • Project Costing and Job Profitability – Precise tracking of project expenses, labour, subcontractors, and overheads to measure true costs and margins. We help you identify which jobs are most profitable and how to improve future project planning.

    • Budgeting, Forecasting, and Cash Flow Management – Forward‑looking financial planning to help control costs, manage liquidity, and prepare for growth.

    • Financial Systems and Process Improvement – Streamlined, cloud‑based systems that enhance accuracy, save time, and simplify your daily financial operations.

    • Revenue, Expense, and Compliance Management – Insightful analysis of income and costs to improve efficiency, along with organised, compliant records that meet Revenue requirements.

    • Transaction Management and Record Keeping – Accurate, up‑to‑date recording of all income, expenses, and transactions, giving you a true reflection of your business performance.

    Whether you’re a start‑up, established company, or contractor managing multiple projects, our Financial Management Services help you understand your numbers and make decisions with confidence.

    The Numbers Navigator - Guiding your business with clarity, precision, and purpose.

  • Reliable Payroll. Full Compliance. Peace of Mind.

    We provide a fully managed payroll and expense service for Irish businesses—ensuring employees are paid accurately and all Revenue and WRC obligations are met.

    What We Do

    • Accurate payroll processing with PAYE, PRSI, and USC

    • Real-time Revenue reporting on or before payday

    • Management of BIK, pensions, and auto-enrolment readiness

    • Administration of statutory leave and entitlements

    • Handling of travel, subsistence, and ERR compliance

    The Result

    A streamlined, fully compliant payroll system that reduces risk, saves time, and allows you to focus on running your business.

  • Professional, Reliable, and Fully Compliant

    We provide structured tax support for business owners, contractors, and individuals—ensuring all obligations are met accurately, on time, and in line with current legislation.

    Our Services

    • Income Tax – Sole Traders
      Preparation and filing of annual tax returns, including accounts and allowable expenses.

    • PAYE with Additional Income
      Complete management of tax returns for individuals with rental, investment, or secondary income.

    • VAT
      Registration, return preparation, and ongoing compliance to ensure accuracy and consistency.

    • RCT
      Administration of Relevant Contracts Tax, including registration, rate verification, and return filing.


    The Result

    A clear and efficient approach to tax—ensuring compliance, reducing risk, and providing confidence that your obligations are managed correctly.

  • Our 5-Step Navigation Framework

    A proven, structured approach to help you understand your numbers and use them to grow your business:

    • Financial Cleanse – We ensure your accounts are accurate, up to date, and fully reliable for decision-making.

    • Monthly Insights – You receive clear, concise updates highlighting the key numbers that impact your profitability.

    • Cash & Tax Planning – Forward planning gives you full visibility over cash flow and upcoming tax obligations.

    • Quarterly Strategy – Regular reviews focused on pricing, costs, and performance to support better decisions.

    • Annual Roadmap – A 12-month plan with defined goals, KPIs, and ongoing accountability.


    What Sets This Apart

    Rather than simply recording past transactions, we use real-time financial data to provide insight, improve cash flow, and support confident, informed decision-making—keeping your business focused on sustainable growth.

WHY CHOOSE THE NUMBERS NAVIGATOR?

At The Numbers Navigator, our goal is simple: to make your financial life easier by giving you clear, reliable insight into your numbers and helping you make confident business decisions.

You’ll have a trusted advisor who provides:

  • Reliable, accurate financial support

  • Clear, straightforward communication

  • Practical, insight-led guidance

  • Consistent, professional delivery

  • A genuine commitment to your business and its success

ABOUT

I’m Marion McCarthy, founder of The Numbers Navigator. With over 25 years of experience across multiple industries, I’ve developed a deep understanding of the financial challenges businesses face. I founded The Numbers Navigator to bridge the gap between business owners and their accountants—turning complex financial information into clear, actionable insight.

We provide financial management, payroll, and advisory services on an ongoing basis, helping clients understand their numbers and make informed decisions with confidence. My approach goes beyond compliance and reporting; it’s about empowering business owners to navigate financial challenges with clarity and control.

At The Numbers Navigator, every client relationship is built on trust, transparency, and a shared commitment to lasting success.

CONTACT

PACKAGES

  • Starting from €300 per month 
    Essential bookkeeping for small or low‑volume businesses.

    • Bookkeeping

    • Bank reconciliations

    • VAT return

    • standard email support

  • Starting from € 800 per month
    For growing businesses needing regular compliance and payroll.

    • Everything in basic plus 

    • Payroll

    • Debtors/creditors management 

    • Management report

    • Quarterly reviews

  • Starting from €1,500 per month
    Full finance support for expanding companies.

    • Everything in standard 

    • Cash flow forecasting, 

    • Budgeting, 

    • KPI'S, 

    • Monthly strategy meetings.

What Our Clients Say

  • "Marion's professionalism and diligence in her role as financial controller played a huge part in helping us run our business in a competitive and compliant way.  Her dedication to her work and her ability to deal with any issues that arose was second to none."

    Jimmy - Glentron Building Services Ltd

  • "Marion is outstanding and goes far beyond bookkeeping, combining meticulous attention to detail with a genuine commitment to helping clients understand their numbers."

    FDC Group

  • "Marion has been instrumental in helping me project the numbers for a new business, scale my current business with confidence, and stay focused on the financial priorities that matter most."

    Linda : Director of Leadership360

  • " Marion has made my life infinitely easier, she has helped to cut down queries from the accountants and delays in year end accounts."

    Niall : Director O’Donoghue Management Group