Business Details
10 Years
experience
Accounting Services for Small Businesses in London
Established in 2016, Mazur Accounting is a locally rooted accounting and advisory firm serving businesses and self-employed individuals in Leytonstone and across London. Our team combines over 15 years of industry expertise with a client-first approach, offering tailored support from initial setup to ongoing financial management. We specialise in small business accounting, VAT returns, payroll services, and compliance solutions, ensuring clients receive accurate, timely advice. With multilingual support in Romanian, Polish, and other languages, we bridge communication gaps for diverse clients. Our fixed-fee structure and free consultations provide transparency, while our deep understanding of sectors like construction, IT contracting, and retail enables sector-specific insights.We prioritise long-term relationships, helping clients navigate tax returns, company formation, and benefit claims with confidence. Our Leytonstone office operates Monday to Saturday, offering flexible support for busy professionals. By maintaining up-to-date knowledge of regulatory changes, we ensure clients remain compliant while focusing on growth. Our team's experience with self-assessment, CIS deductions, and appeals demonstrates our commitment to resolving complex financial challenges. As a small business ourselves, we understand the unique pressures entrepreneurs face, making us a trusted partner for sustainable success.
Services
Tax Returns
Company Formation
Payroll Services
VAT Registration
CIS Deductions
Benefit Claims
Appeals Support
Self-Assessment
Details
- Year established: 2016
Highlights and features
- We offer 15+ years of accounting expertise tailored to small businesses
- Our fixed-fee structure ensures transparent, predictable pricing
- Multilingual support in Romanian, Polish, and other languages available
- Free initial consultations for both self-employed individuals and companies
- Specialist knowledge in CIS deductions and construction industry accounting
Services
Tax Returns
We prepare and submit accurate tax returns for self-employed individuals and companies. Our service includes income reporting, allowable expense claims, and HMRC compliance checks. Clients receive expert guidance on tax-efficient strategies to minimise liabilities while maintaining full regulatory compliance.
Company Formation
Specialist support for establishing limited companies, including Companies House registration and VAT setup. We assist with business bank account creation and CIS registration for construction sector clients. Our process ensures proper legal structure and tax compliance from day one.
Payroll Services
Comprehensive payroll administration for businesses with employees. We handle salary calculations, tax deductions, and real-time reporting to HMRC. Our service includes CIS deduction management for subcontractor payments and year-end P60 processing.
VAT Registration
Expert VAT registration and return submission for businesses exceeding threshold limits. We provide VAT scheme recommendations and quarterly return preparation, ensuring accurate tax calculations and timely submissions to avoid penalties.
CIS Deductions
Specialist CIS deduction management for contractors and subcontractors. We handle 20% tax deduction calculations, monthly returns, and client verification with HMRC. Our service ensures compliance with construction industry scheme regulations.
People
Ecaterina Olesea Mazur
Owner
With over 15 years in accounting, Ecaterina leads Mazur Accounting's client-focused approach. She specialises in small business growth strategies and tax compliance, leveraging sector expertise across construction, IT contracting, and retail to deliver practical financial solutions.
Questions
What accounting services do you offer for self-employed individuals?
We provide tax returns, self-assessment, CIS registration, and benefit claims support for self-employed clients.
Do you help with company formation for new businesses?
Yes, we assist with limited company setup, Companies House registration, and VAT registration services.
Are your fees fixed or hourly based?
We operate a transparent fixed-fee structure with free initial consultations for all clients.
What industries do you specialise in?
We work with construction firms, IT contractors, retailers, restaurants, and property investors.
Do you offer multilingual accounting support?
Yes, our team provides services in Romanian, Polish, Estonian, and other languages.
