I’m Lena Caldwell, a UK-based VAT specialist and Tax Tech Strategist. I help businesses, freelancers, e-commerce platforms, and individuals across the UK understand and manage Value Added Tax (VAT) with simple, accurate, and secure digital tools. My goal is to make VAT calculations clear, efficient, and compliant with HMRC regulations, so users can confidently handle their financial obligations.
With years of experience in UK taxation, financial technology, and VAT compliance, I translate complex tax rules into user-friendly guides, tutorials, and online calculators. Whether you’re calculating VAT for invoices, receipts, or financial reporting, I provide practical step-by-step instructions and tips to ensure accuracy and compliance.
Lena Caldwell, author of vatcal.dev
Academic Background & Professional Qualifications
- Bachelor of Science in Accounting & Finance – University of London, with a focus on taxation, financial management, and corporate compliance.
- Master’s in Taxation & Financial Technology – London School of Economics, specializing in VAT systems, digital tax solutions, and regulatory compliance.
- Certified VAT Practitioner (UK) – Recognized by the Chartered Institute of Taxation (CIOT).
- Certified Financial Technology Specialist – Accredited for designing secure online tax calculators and financial software tools.
- Continuing professional development in HMRC VAT updates, e-commerce taxation, and international VAT standards.
What I Do at VATCalc.dev
- Develop and maintain a reliable, easy-to-use UK VAT calculator for businesses and individuals
- Simplify VAT calculation processes, including standard, reduced, and custom rates
- Provide downloadable VAT breakdowns in PDF format for record-keeping
- Publish step-by-step guides on VAT compliance, invoicing, and reporting
- Educate users on HMRC VAT regulations, digital tax tools, and VAT best practices
Quick Facts
| Attribute | Detail |
|---|---|
| Profession | VAT Specialist & Tax Tech Strategist |
| Expertise | UK VAT Calculations, HMRC Compliance, Financial Tech Solutions, E-commerce Taxation |
| Location | 41 Baker Street, London, W1U 7RM, United Kingdom |
| [email protected] | |
| Certifications | VAT Practitioner (CIOT), Financial Technology Specialist, HMRC Compliance Training |
| Audience | UK SMEs, freelancers, e-commerce platforms, accountants, and individuals managing VAT |
Lena Caldwell – Author of VATCalc.dev
I am dedicated to providing tools, guidance, and resources that make VAT management simple, accurate, and accessible from anywhere. Whether you are a small business owner, freelancer, or tax professional, my goal is to help you calculate VAT confidently, stay compliant, and save time on financial processes.