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Award-Winning Accountants in Carrickfergus
MJ Kane is an award-winning accountancy firm dedicated to delivering expert financial solutions for innovative businesses and high-net-worth clients. With a global reach and a focus on compliance, we provide tailored support across company tax, specialist services, and private/individual tax. Our team ensures accurate accounts, proactive tax planning, and strategic advice to reduce liabilities and support growth. Established with a commitment to excellence, we serve over 8,000 satisfied clients worldwide. Our approach combines deep industry knowledge with personalized service, ensuring clarity and confidence in financial matters.

Clients consistently praise our responsiveness, expertise, and ability to simplify complex tax challenges. From SMEs to corporate entities, we prioritize client needs, offering peace of mind and actionable insights. Our services extend to forensic accounting, HMRC investigations, and inheritance tax planning, addressing both everyday and complex financial requirements. With MJ Kane, businesses and individuals gain a trusted partner dedicated to protecting their financial interests and fostering long-term success.
Services
Company Tax & Accounting Specialist Services Private/Individual Tax Bookkeeping Forensic Accounting HMRC Investigations Family Investment Company Inheritance Tax PAYE VAT
Highlights and features
  • We provide tailored tax solutions for SMEs and high-net-worth clients.
  • Our team offers proactive compliance and strategic financial planning.
  • We specialize in complex areas like HMRC investigations and inheritance tax.
  • Clients praise our responsive, knowledgeable service and global expertise.
  • We support over 8,000 clients with accurate, stress-free accounting services.
What people say
Speedy friendly response Highly recommended Professional and knowledgeable Consistently amazing support No silly questions
Services
Company Tax & Accounting
MJ Kane provides comprehensive company tax and accounting services to ensure business compliance and strategic financial planning. We handle corporation tax, VAT, payroll, and company accounts, ensuring accurate submissions and adherence to deadlines. Our proactive approach identifies opportunities to reduce liabilities and improve cash flow, supporting businesses from start-ups to established entities.
Private/Individual Tax
Our private tax services offer tailored advice to individuals, including sole traders, landlords, and high earners. We manage self-assessment returns, inheritance tax planning, and compliance for rental income or additional earnings. By leveraging allowances and deductions, we minimize liabilities while ensuring HMRC compliance, providing clarity and confidence in personal financial matters.
Specialist Services
MJ Kane's specialist services address complex financial challenges such as forensic accounting, HMRC investigations, and family investment companies. We provide expert guidance on international tax compliance, trusts, and inheritance tax strategies. Our team works closely with clients to deliver bespoke solutions that protect assets and ensure regulatory adherence for intricate financial scenarios.
Rental Property Income Reporting
We streamline rental property tax reporting by managing income and expense tracking, self-assessment submissions, and allowable deduction claims. Our service ensures compliance with HMRC rules while maximizing tax savings through mortgage interest relief, repair costs, and letting agent fees. Landlords benefit from accurate, stress-free reporting tailored to single or portfolio properties.
Sole Trader Tax and Accounts
MJ Kane simplifies tax obligations for sole traders by handling income and expense records, self-assessment returns, and allowable expense claims. We ensure compliance while reducing tax bills through strategic deductions. Our support covers new and established sole traders, offering peace of mind and time-saving solutions for business-focused entrepreneurs.
People
Jonathan Greenway
Partner & Senior Accountant
ACCA-qualified with a BSc in Accounting, Jonathan specializes in SME tax compliance, crypto taxation, and business structuring. He brings extensive expertise in navigating complex financial landscapes.
Nathan
Senior Accountant
Recognized for his professionalism and knowledge, Nathan provides tailored tax solutions, ensuring clients receive clear advice and efficient support for compliance and planning needs.
Questions
What services does MJ Kane offer?
We provide company tax, private tax, specialist advisory services, bookkeeping, and compliance support for businesses and individuals.
How can MJ Kane help reduce tax liabilities?
We identify allowable deductions, leverage tax reliefs, and offer strategic planning to minimize liabilities while ensuring compliance.
Do you support international tax compliance?
Yes, we advise on cross-border tax rules, double taxation agreements, and HMRC compliance for global income streams.
How do I schedule a consultation?
Book a free 15-minute video call via our website or request a callback to discuss your specific needs.
Are services available for sole traders?
Yes, we manage tax returns, expense claims, and compliance for sole traders, ensuring accurate submissions and reduced tax bills.