SYSTEM1 Agency Ltd company overview
SYSTEM1 Agency Ltd is a private limited company registered with company number 09829202. It was incorporated on 19 Oct 2015 and its current status is active.
The registered office is at 4 More London Riverside, London, SE1 2AU. The company has 3 active officers. It was previously called System-1 Agency Limited.
SYSTEM1 Agency Ltd upcoming deadlines
Year end accounts
Due 31 Dec 2027
Confirmation statement
Due 24 Nov 2026
Corporation tax payment
Due 1 Jan 2028
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.
SYSTEM1 Agency Ltd at a glance
11 years
Trading age
4,042 days since incorporation
3
Active officers
Christopher, Christopher, James
79
Filings on record
Latest: 7 Oct 2026
100/100
Filing health score
Accounts and statement up to date
Directors of SYSTEM1 Agency Ltd
Nature of business (SIC codes)
73110
Advertising agencies
Allowable expenses for SYSTEM1 Agency Ltd
Based on SYSTEM1 Agency Ltd's SIC code (73110), these are typical tax-deductible expenses for a professional & creative services company. Claiming them lowers the profit you pay corporation tax on.
Design tools & equipment
Creative software, cameras, drawing tablets and props.
Professional memberships
HMRC-approved professional body subscriptions.
Business travel
Trains, flights, hotels and subsistence for client 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 SYSTEM1 Agency Ltd
How much tax does a professional & creative services 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 SYSTEM1 Agency Ltd 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 SYSTEM1 Agency Ltd 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
7 Oct 2026 · AA
Audit exemption subsiduary accounts made up to 31 Mar 2026
7 Oct 2026 · PARENT_ACC
Legacy
7 Oct 2026 · GUARANTEE2
Legacy
7 Oct 2026 · AGREEMENT2
Legacy
2 Apr 2026 · CS01
Confirmation statement made on 10 Nov 2025 with no updates
2 Apr 2026 · AP01
Appointment of James Alexander Gregory as a director on 3 Mar 2026
2 Apr 2026 · TM01
Termination of appointment of John Victor Kearon as a director on 3 Mar 2026
16 Dec 2025 · AA
Audit exemption subsiduary accounts made up to 31 Mar 2025
16 Dec 2025 · PARENT_ACC
Legacy
16 Dec 2025 · GUARANTEE2
Legacy
16 Dec 2025 · AGREEMENT2
Legacy
24 May 2025 · DISS40
Gazette filings brought up to date
22 May 2025 · CS01
Confirmation statement made on 10 Nov 2024 with no updates
20 May 2025 · GAZ1
Gazette notice compulsory
19 Dec 2024 · AA
Audit exemption subsiduary accounts made up to 31 Mar 2024
19 Dec 2024 · PARENT_ACC
Legacy
19 Dec 2024 · GUARANTEE2
Legacy
19 Dec 2024 · AGREEMENT2
Legacy
11 Jan 2024 · AA
Audit exemption subsiduary accounts made up to 31 Mar 2023
11 Jan 2024 · AGREEMENT2
Legacy
Showing the latest 20 of 79 filings. See the full history on Companies House
Accounting services for SYSTEM1 Agency Ltd
From tax to payroll, find accountants who look after every part of SYSTEM1 Agency Ltd’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 SYSTEM1 Agency Ltd
About SYSTEM1 Agency Ltd
SYSTEM1 Agency Ltd is a UK private limited company based in London, registered at Companies House as company number 09829202 since 19 Oct 2015. Its listed activities include advertising agencies. This page brings together its public record — directors, registered office, nature of business and filing history — in one easy place.
SYSTEM1 Agency Ltd filings and compliance
Every UK limited company must file annual accounts, a confirmation statement and a corporation tax return each year. SYSTEM1 Agency Ltd has 79 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 SYSTEM1 Agency Ltd 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 SYSTEM1 Agency Ltd?
SYSTEM1 Agency Ltd – frequently asked questions
What is the company number of SYSTEM1 Agency Ltd?
SYSTEM1 Agency Ltd is registered at Companies House under company number 09829202.
When was SYSTEM1 Agency Ltd incorporated?
SYSTEM1 Agency Ltd was incorporated on 19 Oct 2015 as a private limited company.
Who are the directors of SYSTEM1 Agency Ltd?
Current officers are Christopher Patrick Willford (director), Christopher Patrick Willford (secretary) and James Alexander Gregory (director).
What does SYSTEM1 Agency Ltd do?
The company's registered nature of business (SIC) is 73110 – Advertising agencies.
Where is SYSTEM1 Agency Ltd registered?
The registered office address is 4 More London Riverside, London, SE1 2AU.
Is SYSTEM1 Agency Ltd still trading?
According to its latest Companies House record the company status is active. Its most recent filing was audit exemption subsiduary accounts made up to 31 Mar 2026 on 7 Oct 2026.