If you run a limited company in London, filing annual accounts and submitting your CT600 Corporation Tax Return is a legal requirement. Every year, thousands of small businesses face penalties simply because they misunderstand deadlines or filing rules.
This guide explains how to File Company Accounts in London, UK and submit your CT600 correctly, while staying compliant with Companies House and HMRC regulations. Whether you operate a micro entity or a growing small business, understanding the process protects you from fines and unnecessary stress.
Who Must File Company Accounts and CT600?
All UK limited companies must:
• Prepare annual statutory accounts
• File accounts with Companies House
• Submit a CT600 Corporation Tax Return to HMRC
• Pay Corporation Tax within the deadline
Even dormant companies are required to submit accounts.
If you are unsure about your filing obligations, professional help is available through a qualified Small Business Tax Accountant in London, UK.
What Are Company Accounts?
Company accounts provide a snapshot of your company’s financial performance during the financial year.
They typically include:
• Profit and Loss Statement
• Balance Sheet
• Notes to the Accounts
• Director’s Report where required
Micro companies may qualify for simplified reporting under FRS 105 if they meet certain turnover and balance sheet criteria.
For professional support with statutory filings, visit File Company Accounts in London, UK
What Are Company Accounts?
Company accounts provide a snapshot of your company’s financial performance during the financial year.
They typically include:
• Profit and Loss Statement
• Balance Sheet
• Notes to the Accounts
• Director’s Report where required
Micro companies may qualify for simplified reporting under FRS 105 if they meet certain turnover and balance sheet criteria.
For professional support with statutory filings, visit File Company Accounts in London, UK.
Common Mistakes Small Businesses Make
Many London businesses face penalties due to avoidable errors such as:
• Late filing
• Incorrect profit calculations
• Missing allowable expenses
• Director loan account errors
• VAT mismatches
• Incorrect iXBRL formatting
Working with a professional accountant significantly reduces these risks.
Why Hire a Small Business Tax Accountant in London, UK?
Although it is possible to file independently, most small business owners prefer professional assistance.
A qualified Small Business Tax Accountant in London, UK can:
• Ensure full compliance with HMRC and Companies House
• Identify tax saving opportunities
• Manage payroll and VAT returns
• Handle director tax planning
• Reduce risk of penalties
Professional oversight provides peace of mind and protects your company from costly mistakes.
Additional Accounting Services That Support Compliance
Many businesses require ongoing financial support beyond annual accounts.
Common services include:
• Bookkeeping
• VAT registration and returns
• Payroll processing
• Self Assessment tax returns
• Business advisory
You can explore comprehensive compliance and support solutions at Services.
How Much Does It Cost to File Company Accounts in London?
The cost depends on:
• Company size
• Number of transactions
• VAT registration
• Payroll complexity
• Tax planning requirements
Micro companies with straightforward finances typically pay lower fees than businesses with employees and VAT obligations.
Transparent pricing and fixed packages are often available from experienced accountants in London.
How Much Does It Cost to File Company Accounts in London?
The cost depends on:
• Company size
• Number of transactions
• VAT registration
• Payroll complexity
• Tax planning requirements
Micro companies with straightforward finances typically pay lower fees than businesses with employees and VAT obligations.
Transparent pricing and fixed packages are often available from experienced accountants in London.
Final Thoughts
Filing company accounts and CT600 in London, UK is a statutory requirement for every limited company. Accurate reporting, correct tax calculations, and timely submissions protect your business from penalties and legal risks.
Whether you operate a micro company or a growing enterprise, professional support ensures full compliance and efficient tax management.
If you want to File Company Accounts in London, UK with confidence, or require guidance from a Small Business Tax Accountant in London, UK, expert assistance can simplify the process and safeguard your business.