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Trusted VAT and Accountancy Solutions in Broxbourne
Established with a commitment to delivering expert VAT and accountancy solutions, LYSI combines deep industry knowledge with a client-centric approach. Our team specialises in navigating complex financial landscapes, offering tailored support to businesses ranging from start-ups to multinational corporations. With a foundation built on integrity and professionalism, we prioritise clear communication and practical advice to help clients achieve compliance and financial efficiency.

Our services span VAT consultancy, auditing, payroll management, and strategic tax planning, ensuring comprehensive coverage of business needs. Rooted in the Greek concept of 'solution', we blend technical expertise with a personalised touch, fostering long-term partnerships grounded in trust and results-driven outcomes.
Services
VAT Consultancy Accountancy Services Auditing Payroll Management Business Start-up Support Tax Planning Company Secretarial Management Accounts Financial Advisory HMRC Representation
Highlights and features
  • We offer over 20 years of specialist VAT and accountancy experience
  • Our team provides fixed fees and guaranteed service standards
  • We deliver tailored financial strategies aligned with business objectives
  • We combine technical expertise with accessible, jargon-free advice
  • We maintain strong HMRC compliance and audit preparation capabilities
Associations and certifications
  • Chartered Certified Accountants
  • Chartered Institute of Taxation
What people say
Exceptional service Personalised approach Efficient and friendly Expert VAT knowledge Reliable compliance support
Services
VAT Consultancy
Specialist VAT guidance covering registration, compliance, and strategic planning. Our experts help businesses navigate complex regulations while minimising liabilities. We provide HMRC representation and tailored solutions for domestic and international operations.
Accountancy Services
Comprehensive accounting support including annual accounts preparation, bookkeeping, and compliance reporting. We ensure accurate financial records while reducing administrative burdens through tailored systems and proactive advisory services.
Auditing
Statutory and internal audit services with emphasis on compliance verification and financial health assessment. Our approach identifies risks, improves controls, and provides actionable recommendations for business improvement through rigorous analysis.
Payroll Management
End-to-end payroll administration covering PAYE, national insurance, and statutory payments. We ensure accurate employee compensation records while maintaining HMRC compliance through automated systems and expert regulatory interpretation.
Business Start-up Support
Tailored assistance for new businesses including structure selection, financial planning, and compliance setup. We provide strategic advice on funding, tax efficiency, and operational frameworks to establish strong foundations for growth.
People
Constantine Malekkou
Founder
Chartered Certified Accountant with specialist VAT expertise, previously with Arthur Andersen. Holds Chartered Institute of Taxation qualifications and provides strategic financial guidance to diverse business sectors.
Questions
What specialist VAT services do you offer?
We provide VAT registration, health audits, HMRC negotiations, partial exemption planning, and compliance strategies tailored to business sectors.
How do you support international companies?
We act as UK representatives for overseas businesses, managing VAT compliance, return submissions, and market entry strategies.
What accountancy services are available for start-ups?
We assist with business structure selection, cashflow projections, tax-efficient planning, and HMRC registration processes.
Can you handle complex financial audits?
Yes, we conduct statutory audits, internal reviews, and fraud risk assessments while identifying financial improvement opportunities.
Do you provide payroll administration?
We offer comprehensive payroll services including PAYE compliance, payslip generation, and pension scheme administration.
How do you approach tax planning?
We focus on legitimate tax efficiency through strategic structuring, allowance optimisation, and HMRC-compliant compliance frameworks.