The Future ofTax Management
Enterprise-grade self-assessment platform for the UK. File directly to HMRC, automate quarterly submissions, and stay compliant effortlessly.
Tax Liability
£12,450
Next Deadline
31 Jan
Submissions
4/4
MTD Submitted
Q3 2025 accepted
Bank-Grade Security
256-bit encryption
50K+
Tax Returns Filed
£2.1B
Tax Calculated
99.9%
Uptime SLA
4.9/5
Customer Rating
Everything you need tostay compliant
Built for accountants, self-employed professionals, and landlords. One platform for all your UK tax obligations.
HMRC MTD Integration
File quarterly updates and annual returns directly to HMRC. Full Making Tax Digital compliance built-in.
Automated Calculations
Real-time tax calculations with all UK bands, allowances, and National Insurance. Always accurate.
Bank-Grade Security
256-bit AES encryption, SOC 2 compliant infrastructure, and GDPR data protection built-in.
Smart Analytics
Visual dashboards, tax forecasting, and expense analytics to help you make better decisions.
Multi-Client Management
Manage unlimited clients with role-based access. Perfect for accountants and firms.
Property & Landlord Tools
Track rental income, mortgage interest, and property expenses with SA105 ready exports.
Get started in minutes
From signup to your first HMRC submission in three simple steps
Create Your Account
Sign up in 30 seconds. Choose your role—self-employed, landlord, or accountant—and complete your profile.
Connect to HMRC
Authorize Fylix via Government Gateway. We'll securely connect to your HMRC account for direct filing.
File & Relax
Add your income and expenses. Fylix calculates your tax and files directly to HMRC. Done.
Trusted by thousands
See what our customers are saying
“Fylix has transformed how we handle client tax returns. The HMRC integration is seamless and saves us hours every week.”
Sarah Mitchell
Managing Partner, Mitchell & Co Accountants
“As a landlord with multiple properties, tracking income and expenses was a nightmare. Fylix made it incredibly simple.”
James Thompson
Property Investor
“The quarterly MTD submissions used to stress me out. Now they're automated and I never miss a deadline.”
Emma Richards
Self-Employed Consultant