Avast Limited company overview
Avast Limited is a private limited company registered with company number 07118170. It was incorporated on 7 Jan 2010 and its current status is active.
The registered office is at 17 Hanover Square, London, W1S 1BN. The company has 2 active officers. It was previously called Avast PLC and 1 other name.
Avast Limited upcoming deadlines
Year end accounts
Due 30 Sep 2027
Confirmation statement
Due 4 May 2027
Corporation tax payment
Due 1 Oct 2027
Dates are the ones Companies House holds for this company. Late accounts trigger automatic Companies House penalties starting at £150, and HMRC charges interest on late corporation tax.
Avast Limited at a glance
16 years
Trading age
6,156 days since incorporation
2
Active officers
Whitney, Bryan
177
Filings on record
Latest: 3 Sep 2026
100/100
Filing health score
Accounts and statement up to date
Directors of Avast Limited
Former officers
10 more officers are on the register. See all on Companies House
Nature of business (SIC codes)
62090
Other information technology service activities
Allowable expenses for Avast Limited
Based on Avast Limited's SIC code (62090), these are typical tax-deductible expenses for a software & it company. Claiming them lowers the profit you pay corporation tax on.
Computers & hardware
Laptops, monitors and devices used for work.
Software subscriptions
Cloud hosting, SaaS tools, licences and domains.
Training & courses
Courses that update skills for your current work.
Working from home
A share of household bills or the £6-a-week flat rate.
Vehicle & mileage
45p a mile for the first 10,000 business miles in a personal car.
Staff & director salaries
Wages, employer NI and pension contributions paid through PAYE.
Accountancy & legal fees
Bookkeeping, year-end accounts, tax advice and company secretarial costs.
Business insurance
Public liability, professional indemnity and employer's liability cover.
Phone & internet
Business mobile contracts, broadband and a share of home internet.
General guidance only — every expense must be wholly and exclusively for business. Ask an accountant
Tax guide for businesses like Avast Limited
How much tax does a software & it company pay?
UK companies pay corporation tax at 19% on profits up to £50,000, rising to 25% above £250,000, with marginal relief in between. Claiming every allowable expense reduces taxable profit.
Does a company like Avast Limited need to register for VAT?
VAT registration is compulsory once taxable turnover passes £90,000 in any rolling 12 months. Many businesses register voluntarily to reclaim VAT on costs.
How much does an accountant cost for a limited company in London?
Fixed-fee accountants typically charge £60–£200 a month for a small limited company, covering year-end accounts, corporation tax and the confirmation statement.
Can directors of Avast Limited pay themselves in dividends?
Most small company directors take a low salary plus dividends. Dividends are paid from profits after corporation tax, with an annual £500 dividend allowance.
Filing history
3 Sep 2026 · AD03
Move registers to sail company with new address
3 Sep 2026 · AD02
Change sail address company with new address
2 Sep 2026 · AD01
Registered office address changed on 2 Sep 2026
29 Apr 2026 · CS01
Confirmation statement made on 20 Apr 2026 with no updates
19 Apr 2026 · AA
Small accounts made up to 31 Dec 2025
3 Feb 2026 · AUD
Auditors resignation company
30 Sep 2025 · AA
Full accounts made up to 31 Dec 2024
22 Apr 2025 · CS01
Confirmation statement made on 20 Apr 2025 with updates
16 Dec 2024 · AA
Full accounts made up to 31 Dec 2023
19 Nov 2024 · PSC02
Notification of a person with significant control
19 Nov 2024 · PSC07
Cessation of a person with significant control
14 Oct 2024 · AD01
Registered office address changed on 14 Oct 2024
22 May 2024 · CH01
Director's details changed for Mr Bryan Seuk Ko on 20 May 2024
22 May 2024 · CH01
Director's details changed for Mr Whitney Elliott Clark on 20 May 2024
20 May 2024 · CS01
Confirmation statement made on 20 Apr 2024 with updates
18 Feb 2024 · AA
Full accounts made up to 31 Dec 2022
25 Oct 2023 · PSC02
Notification of a person with significant control
4 Oct 2023 · AD01
Registered office address changed on 4 Oct 2023
15 Jul 2023 · DISS40
Gazette filings brought up to date
14 Jul 2023 · CS01
Confirmation statement made on 20 Apr 2023 with updates
Showing the latest 20 of 177 filings. See the full history on Companies House
Accounting services for Avast Limited
From tax to payroll, find accountants who look after every part of Avast Limited’s finances.
Year-end accounts
Statutory accounts prepared and filed with Companies House on time, every year.
Corporation tax
CT600 returns filed with HMRC and tax planned so you only pay what you owe.
Payroll
Pay your team on time every month, with RTI submissions and pensions handled.
VAT & bookkeeping
Keep your books tidy and your VAT returns MTD-ready all year round.
Confirmation statement
Your annual confirmation statement checked and filed before the deadline.
Management accounts
Monthly or quarterly reports so you can see how the business is really doing.
More about Avast Limited
About Avast Limited
Avast Limited is a UK private limited company based in London, registered at Companies House as company number 07118170 since 7 Jan 2010. Its listed activities include other information technology service activities. This page brings together its public record — directors, registered office, nature of business and filing history — in one easy place.
Avast Limited filings and compliance
Every UK limited company must file annual accounts, a confirmation statement and a corporation tax return each year. Avast Limited has 177 filings on record. Keeping on top of these deadlines avoids automatic penalties from Companies House and HMRC, which start at £150 for late accounts.
Looking for an accountant in London?
Businesses like Avast Limited often use a local accountant for year-end accounts, corporation tax, VAT and payroll. Compare fixed-fee, regulated accountants near London and get free quotes in minutes.
This page shows public information from Companies House. Director of Avast Limited?
Avast Limited – frequently asked questions
What is the company number of Avast Limited?
Avast Limited is registered at Companies House under company number 07118170.
When was Avast Limited incorporated?
Avast Limited was incorporated on 7 Jan 2010 as a private limited company.
Who are the directors of Avast Limited?
Current officers are Whitney Elliott Clark (director) and Bryan Seuk Ko (director).
What does Avast Limited do?
The company's registered nature of business (SIC) is 62090 – Other information technology service activities.
Where is Avast Limited registered?
The registered office address is 17 Hanover Square, London, W1S 1BN.
Is Avast Limited still trading?
According to its latest Companies House record the company status is active. Its most recent filing was move registers to sail company with new address on 3 Sep 2026.