UK Tax Deadline Tool

UK Tax Deadline
Calculator

Generate Corporation Tax due dates, Companies House deadlines, HMRC VAT returns, and Self Assessment filing dates. Export to your calendar instantly.

Type your company name (e.g. Deadline Ltd) or number (e.g. 12345678).

UK Companies House lookup.

Trusted by accounting professionals nationwide

Companies House
Google Calendar
Outlook

10,000+

Deadlines Generated

99.9%

Accuracy Rate

<30s

Generation Time

500+

Companies Tracked

How it works

Get your tax deadlines organized in just four simple steps. Our automated system does the heavy lifting for you.

Click each step to learn more

1
Auto-populated data
Search company...
Companies House Integration

Search your company details

Enter your company name or registration number to automatically fetch your business information from Companies House.

~30 seconds
2
Statutory rules
Generating deadlines...

Generate tax deadlines instantly

Our system uses statutory rules from HMRC and Companies House to calculate all relevant tax deadlines including VAT, PAYE, Corporation Tax, and more.

Instant
3
Multi-platform
Google
Outlook
Calendar Integration

Add to your calendar seamlessly

Choose to add deadlines to Google Calendar, Outlook, or download an ICS file for any calendar application.

1 click per deadline
4
Full control
My Dashboard
Track all deadlines

Login to your dashboard

Access your personalized dashboard to view all your companies, track deadlines with traffic-light priority, and manage everything in one place.

Always accessible

See your dashboard in action

Track all your tax deadlines with our intuitive dashboard. Get real-time status updates with traffic-light priority indicators.

Good morning! 👋

Here's your deadline overview

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Companies
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Urgent
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Upcoming
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On Track

Next Deadlines

Corporation Tax Filing
Acme Ltd
7 days
VAT Q1 Return
Tech Solutions
23 days
PAYE Monthly
Digital Agency
45 days

February 2026

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Urgent
Upcoming
On Track
Access Your Dashboard

Free to use • No credit card required

Transform Your Tax Deadline Management

Say goodbye to missed deadlines and client confusion. Our automated system revolutionizes how you handle tax dates.

The Old Way

Manual spreadsheet tracking

Missed deadlines and penalties

Constant client phone calls

Time-consuming manual updates

No integrated calendar system

The New Way

Automated deadline generation

Intuitive dashboard

Direct calendar integration

Self-service client portal

Instant deadline calculations

Professional client experience

Ready to Streamline Your Tax Management?

Join accounting professionals who save time and improve client communication with our deadline tool.

Generate Deadlines Now