TL;DR
UK limited companies pay Corporation Tax on profits (19-25% depending on profit level). File a Company Tax Return (CT600) within 12 months of your accounting period end. Pay within 9 months and 1 day.
Introduction
UK limited companies pay Corporation Tax on profits (19-25% depending on profit level). File a Company Tax Return (CT600) within 12 months of your accounting period end. Pay within 9 months and 1 day.
This guide is written for first-time founders and solo entrepreneurs who need practical, actionable advice — not theory. Whether you're just getting started or hitting a specific roadblock, the steps below will help you move forward with confidence.
What You Need to Know
Tax rates is a critical part of getting this right. Start by researching your specific requirements — they vary by business type, revenue, and location. Document your current situation before making changes.
For most founders, the practical approach is to start simple and add complexity only when your business demands it. Don't over-engineer early decisions, but don't ignore them either. Many founders regret waiting too long to address tax rates.
If you're operating across multiple regions (US, UK, EU), note that rules differ significantly. Always verify current regulations with official government sources or a qualified advisor.
Step-by-Step Process
Filing deadlines is a critical part of getting this right. Start by researching your specific requirements — they vary by business type, revenue, and location. Document your current situation before making changes.
For most founders, the practical approach is to start simple and add complexity only when your business demands it. Don't over-engineer early decisions, but don't ignore them either. Many founders regret waiting too long to address filing deadlines.
If you're operating across multiple regions (US, UK, EU), note that rules differ significantly. Always verify current regulations with official government sources or a qualified advisor.
Common Mistakes to Avoid
Allowable expenses is a critical part of getting this right. Start by researching your specific requirements — they vary by business type, revenue, and location. Document your current situation before making changes.
For most founders, the practical approach is to start simple and add complexity only when your business demands it. Don't over-engineer early decisions, but don't ignore them either. Many founders regret waiting too long to address allowable expenses.
If you're operating across multiple regions (US, UK, EU), note that rules differ significantly. Always verify current regulations with official government sources or a qualified advisor.
When to Get Professional Help
Dividends vs salary is a critical part of getting this right. Start by researching your specific requirements — they vary by business type, revenue, and location. Document your current situation before making changes.
For most founders, the practical approach is to start simple and add complexity only when your business demands it. Don't over-engineer early decisions, but don't ignore them either. Many founders regret waiting too long to address dividends vs salary.
If you're operating across multiple regions (US, UK, EU), note that rules differ significantly. Always verify current regulations with official government sources or a qualified advisor.
Key Takeaways
- UK Corporation Tax Basics for Limited Companies starts with understanding your specific situation and region.
- Take action on one step today rather than trying to do everything at once.
- When in doubt, consult a qualified professional for your jurisdiction.
- Bookmark related guides below to build a complete picture.

