
Professional Accounting
You Can Trust
Supportive, knowledgeable, and always available when you need us. We turn complex financial situations into clear, manageable paths forward.
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5.0 Google Rating
30+ Reviews
Supportive Team
Patient & Caring
Always Available
When You Need Us
Clear Explanations
Expert Guidance

GTMN Accounting
Serving the community for 10+ years
More Than Just Accountants.
We Are Your Partners.
Founded by Gergana Mateeva, GMTN Accounting was built on a simple promise: to provide professionalism, reliability, and exceptional care that goes beyond the numbers.
We understand that tax and finance can be stressful. That's why our clients value our ability to explain complex matters clearly, solve difficult situations quickly, and offer thoughtful guidance every step of the way.
"I can't recommend the team enough—helped me with every situation. Professional, supportive, always available."
Our Expertise
Comprehensive accounting and tax solutions tailored to your specific needs. From self-assessment to full company accounts.
View All Services- HMRC Compliance
- Deadline Management
- Strategic Planning
- Stress-Free Filing
Self-Assessment & Tax Returns
Expert tax return completion, HMRC support, compliance, and deadline management to ensure you never miss a date.
Learn MoreCompany Accounts
Full year-end accounts preparation, filing, and Companies House submissions for limited companies.
Learn MoreBookkeeping
Accurate, timely bookkeeping services for small businesses and contractors, keeping your records spotless.
Learn MoreVAT Registration & Returns
Complete VAT setup, quarterly filing, and expert advice on the best schemes for your business.
Learn MorePayroll Services
Comprehensive PAYE management, payslips, onboarding, and pension compliance for your staff.
Learn MoreNew Business Support
Company formation, registration, and structural advice to give your new venture the best start.
Learn MoreOngoing Advisory
Free consultations, strategic planning, and problem-solving to help your business grow sustainably.
Learn More
Trusted by Clients
"Outstanding accounting service. The team is extremely knowledgeable, supportive, and always willing to help."
Valya Angelova
Small Business Owner
"Excellent service with a free consultation. The team was very helpful, supportive, and clear in their advice. I would happily recommend GMTN Accounting."
Ayten Ahmed
Small Business Owner
"Highly recommended. Professional, efficient, and trustworthy service from start to finish."
Rumyana Miteva
Small Business Owner
Ready to Sort Your Finances?
Book your free consultation today. We are open Mon–Fri 9am–7pm and Sat 10am–3pm.
Visit Our Office
598 Hertford Road, Ponders End, London N9 8AH
