Skip to main content 
About Us
Simplex Accounting Services is a UK-based accounting practice supporting freelancers, contractors, startups and small businesses with modern cloud accounting solutions. As FreeAgent specialists, we help businesses manage their finances more efficiently while staying fully compliant with UK tax and Companies House requirements.
Our services include bookkeeping, VAT returns, payroll, CIS, year-end accounts, self-assessment tax returns and ongoing business support. By using cloud accounting software such as FreeAgent, we help clients gain real-time visibility over their finances, automate routine processes and simplify day-to-day financial management.
We also support business owners with compliance, Companies House filings and general financial administration, allowing them to focus on running and growing their business.
At Simplex Accounting Services, our approach is simple: provide clear advice, reliable support and practical accounting solutions that help small businesses stay organised, compliant and financially confident.