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Shiel Accountants

Accountants in the UK, from £49 a month

Your CT600, Companies House accounts, VAT, payroll and Self Assessment, handled by a named accountant who deals with HMRC and Companies House for you.

What kind of business is it?

Plans in the UK from

£49 / month

What we file for you

  • CT600
  • Accounts
  • CS01
  • SA100
  • VAT
  • RTI
See the plans

Your year in the UK

Everything a business here files, who it goes to and when. Your accountant tracks every date and files with HMRC and Companies House for you.

6 filings a year, all tracked and filed by your accountant.

  • CT600HMRCCompany Tax Return12 months after year-endThe tax itself is usually due earlier, 9 months and 1 day after year-end.Source: GOV.UK
  • AccountsCompanies HouseAnnual accounts9 months after year-endFiled every year, including by dormant companies.Source: GOV.UK
  • CS01Companies HouseConfirmation statementAt least once every 12 monthsConfirms the company’s officers, shareholders and people with significant control.Source: GOV.UK
  • SA100HMRCSelf Assessment return31 January onlineYour personal return, with payments on account on 31 January and 31 July where they apply.
  • VATHMRCVAT returnUsually quarterlyFiled through MTD software once you are registered.Source: GOV.UK
  • RTIHMRCPayroll submissionsOn or before every pay dayReal Time Information for directors and staff.
Work out your own datesEnter your year-end and see the deadlines that follow.

The numbers that matter

Headline rates and windows, each linked to its official source.

Corporation tax
19–25%
19% on profits up to £50,000 and 25% above £250,000, with Marginal Relief in between.
Source: GOV.UK
Company Tax Return
CT600
Due 12 months after the accounting period ends. Tax is usually due 9 months and 1 day after.
Source: GOV.UK
Accounts to Companies House
9 months
A private company’s usual deadline after its year-end, including dormant companies.
Source: GOV.UK
Confirmation statement
12 months
At least one confirmation statement is filed in every 12-month review period.
Source: GOV.UK

Switching from another UK accountant

It is free, and you do not need to have the conversation yourself. Most handovers are done before the next deadline.

  1. 1

    Professional clearance

    We write to your current accountant and collect the latest accounts, returns and working papers.

  2. 2

    HMRC agent authorisation

    You approve us as your agent with HMRC, and we take over the Companies House authentication code.

  3. 3

    Next filing covered

    We check what is due with HMRC and Companies House and take the next deadline from there.

Frequently Asked Questions

Written and maintained by the Shiel Accountants team. Last updated .

Do you handle both HMRC and Companies House work?

Yes. Where it is in your plan, we keep the accounts, CT600 and Companies House filings connected.

Can you take over from another UK accountant?

Yes. We review your latest accounts, tax position and books, agree the handover and pick up the next cycle. Switching is free.

Do you support directors as well as the company?

Yes. Director payroll and Self Assessment are included where relevant, so company and personal tax are looked at together.

Can you help with a UK company if I live abroad?

Yes. We keep the UK company organised and coordinate with overseas advisers where your residence adds another layer.

Sources (5)Checked 29 October 2026

Business in more than one country?

The same accountant can look after all of it, with one set of books where the rules allow.