Personal And Business Tax Services
SPEND TIME ON GROWING YOUR BUSINESS.
LET US TAKE CARE OF YOUR PERSONAL & BUSINESS TAXES
SELF ASSESSMENT, VAT & CORPORATION TAX
Our tax services are bespoke and tailored to your individual business.
Self Assessment Tax Returns in Lisburn, Belfast & Across Northern Ireland
Filing a Self Assessment tax return can be stressful and time-consuming, especially when you’re busy running a business or managing multiple income streams. At M Squared Accountancy Ltd, we provide clear, straightforward support to help you file your tax return accurately and on time, avoiding costly mistakes and HMRC penalties.
Whether you’re self-employed, a landlord, a company director, or have additional income to declare, we guide you through every step of the process. Our goal is to make tax season simple, giving you confidence that everything has been handled correctly.

We proudly support individuals and businesses in Lisburn, Belfast, and throughout Northern Ireland, ensuring you get the personalised advice you need. From identifying allowable expenses to maximising reliefs, we make sure you only pay what you owe — nothing more.
Why Choose Us for Your Self Assessment?
- Local expertise with a deep understanding of Northern Ireland tax rules.
- Clear, jargon-free advice tailored to your situation.
- Reliable service to help you meet deadlines and stay compliant.
- Peace of mind knowing your return is handled professionally.
Get in touch today to discuss your Self Assessment tax return needs and take the stress out of tax season.

Corporation Tax Services in Lisburn, Belfast & Northern Ireland
Managing Corporation Tax can be complex, but getting it right is essential to avoid penalties and unnecessary stress. We work closely with limited companies across Lisburn, Belfast, and throughout Northern Ireland to ensure your tax obligations are handled accurately and efficiently.
Based on the information provided in your Financial Statements, we will calculate the exact amount of Corporation Tax due to HMRC, ensuring you only pay what you owe. Our team will file your return on time, helping you stay compliant and avoid late filing charges or interest.
Our Corporation Tax Service Includes:
- Accurate calculation of your Corporation Tax liability.
- Timely filing of your return to avoid penalties and fines.
- Guidance on allowable expenses and tax reliefs to reduce your liability where possible.
- Clear, straightforward advice tailored to your business.
We take the hassle out of Corporation Tax, so you can focus on running and growing your business with confidence.
Contact us today to ensure your Corporation Tax return is accurate, compliant, and submitted on time.

VAT
We will take care of your monthly or quarterly Vat Returns so you you can continue to focus on running your business.
We will support your business by:
- Registering or De-Registering you for Vat;
- Advising you of the best Vat Scheme for your business;
- Preparing your Vat Return together with Submission to HMRC;
- Reminding you of the payment amount & due date;
- Dealing with Inspections or Queries from HMRC;
Make Smarter Business Decisions with Accurate Financial Statements
Get clear, reliable financial statements that help you stay compliant, secure funding, and drive business growth. Let us take care of the numbers, so you can focus on running your business with confidence.