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Business Details
22 Years
experience
Your Trusted Accountancy Partner in Hertfordshire
Established with a commitment to delivering expert VAT and accountancy solutions, we serve businesses of all sizesfrom start-ups to multinational corporations. Our team combines deep technical knowledge with a client-focused approach, ensuring tailored support that addresses individual needs. With decades of collective experience, including specialist insights into HMRC procedures, we provide clarity on complex financial matters. Our services include VAT consultancy, statutory audits, payroll administration, and strategic tax planning, all underpinned by a dedication to transparency and professionalism.

We prioritise building long-term relationships, offering fixed fees and a free initial consultation to foster trust. Headquartered in Hertfordshire, we support clients across the UK and internationally, leveraging our expertise to help businesses navigate regulatory challenges and achieve sustainable growth.
Services
VAT Consultancy Accountancy Services Payroll Administration Auditing Company Secretarial Tax Planning Business Start-Up Support Financial Management HMRC Representation VAT Training
Details
  • Year established: 2004
Highlights and features
  • We have over 20 years of experience in VAT and accountancy services.
  • Our team includes Chartered Certified Accountants with HMRC expertise.
  • We offer fixed fees and a free, no-obligation initial consultation.
  • We specialise in supporting overseas businesses with UK VAT compliance.
  • Our client-centric approach ensures tailored solutions for every business.
Associations and certifications
  • Association of Chartered Certified Accountants
  • Chartered Institute of Taxation
What people say
Exceptional service Personalised approach HMRC expertise Timely solutions Long-term partnership
Services
VAT Consultancy
Our VAT consultancy provides strategic guidance on compliance, registration, and tax recovery. We assist businesses in navigating complex VAT legislation, ensuring accurate returns and minimising penalties. With specialist knowledge of HMRC procedures, we offer tailored solutions for domestic and international clients, including partial exemption planning and dispute resolution.
Accountancy Services
We deliver comprehensive accountancy services, including annual accounts preparation, bookkeeping, and PAYE compliance. Our team ensures accurate financial reporting while reducing administrative burdens. From sole traders to corporations, we provide management accounts and audit-ready documentation, enabling businesses to focus on growth with confidence in their financial compliance.
Payroll Administration
Our payroll solutions streamline employee payment processes, including payslip generation and tax deductions. We manage PAYE, national insurance, and statutory payments while ensuring compliance with HMRC requirements. By handling complex payroll tasks, we help businesses save time and avoid costly errors in employee compensation and reporting.
Auditing
We conduct statutory and internal audits with precision, ensuring compliance with regulatory standards. Our audits identify financial strengths and weaknesses, offering actionable insights for improvement. By minimising fraud risks and verifying statutory compliance, we provide assurance to stakeholders while supporting long-term business stability and transparency.
Company Secretarial
Our company secretarial services ensure timely submission of statutory documents and corporate governance compliance. We handle company formation, minute preparation, and regulatory filings, reducing administrative stress for businesses. By maintaining accurate corporate records, we help companies meet legal obligations and focus on strategic operations.
People
Constantine Malekkou
Founder
Chartered Certified Accountant with specialist VAT expertise, previously at Arthur Andersen. Holds Chartered Institute of Taxation qualifications. Focuses on delivering tailored financial solutions and HMRC compliance strategies to UK and international clients.
Questions
What services does Lysi Ltd offer?
We specialise in VAT consultancy, accountancy, payroll, auditing, and company secretarial services for UK and international businesses.
Can you help with VAT registration?
Yes, we guide businesses through VAT registration and provide ongoing compliance support tailored to their operational needs.
Do you support overseas companies?
We assist overseas businesses with UK VAT compliance, including return submissions and HMRC representation.
What payment methods do you accept?
Payment options are discussed during our initial consultation to ensure clarity and convenience for our clients.
Is there a free initial consultation?
Yes, we offer a free, no-obligation consultation to discuss your specific accountancy and VAT requirements.