Caisson Io Limited company overview
Caisson Io Limited is a private limited company registered with company number 12111220. It was incorporated on 18 Jul 2019 and its current status is active.
The registered office is at 3rd Floor Mitre House, 12-14 Mitre Street, London, EC3A 5BU. The company has 4 active officers. It was previously called Caisson Development Limited.
Caisson Io Limited upcoming deadlines
Year end accounts
Due 30 Apr 2027
Confirmation statement
Due 31 Jul 2027
Corporation tax payment
Due 1 May 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.
Caisson Io Limited at a glance
7 years
Trading age
2,677 days since incorporation
4
Active officers
Mark, Michael, Philip, Angus
24
Filings on record
Latest: 12 Aug 2026
100/100
Filing health score
Accounts and statement up to date
Directors of Caisson Io Limited
Nature of business (SIC codes)
68320
Management of real estate on a fee or contract basis
Allowable expenses for Caisson Io Limited
Based on Caisson Io Limited's SIC code (68320), these are typical tax-deductible expenses for a property & letting company. Claiming them lowers the profit you pay corporation tax on.
Repairs & maintenance
Fixing like-for-like wear and tear (not improvements).
Letting agent fees
Management, tenant-finding and inventory costs.
Mortgage interest
Finance costs — a company claims these in full, unlike individuals.
Landlord insurance & certificates
Buildings cover, gas safety and EPC certificates.
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 Caisson Io Limited
How much tax does a property & letting 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 Caisson Io 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 Caisson Io 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
12 Aug 2026 · CS01
Confirmation statement made on 17 Jul 2026 with no updates
14 Aug 2025 · AA
Dormant accounts made up to 31 Jul 2025
14 Aug 2025 · CS01
Confirmation statement made on 17 Jul 2025 with no updates
17 Jun 2025 · CH01
Director's details changed for Mr Angus Myrie Scott Brown on 17 Jun 2025
9 Oct 2024 · AA
Dormant accounts made up to 31 Jul 2024
5 Sep 2024 · AD01
Registered office address changed on 5 Sep 2024
21 Aug 2024 · CS01
Confirmation statement made on 17 Jul 2024 with no updates
19 Mar 2024 · AA
Micro-entity accounts made up to 31 Jul 2023
11 Sep 2023 · CS01
Confirmation statement made on 17 Jul 2023 with no updates
21 Apr 2023 · PSC02
Notification of a person with significant control
21 Apr 2023 · PSC07
Cessation of a person with significant control
18 Apr 2023 · AP01
Appointment of Mr Angus Myrie Scott Brown as a director on 13 Jan 2023
18 Apr 2023 · CERTNM
Certificate change of name company
17 Oct 2022 · AA
Dormant accounts made up to 31 Jul 2022
22 Aug 2022 · CS01
Confirmation statement made on 17 Jul 2022 with no updates
26 Oct 2021 · AA
Dormant accounts made up to 31 Jul 2021
28 Jul 2021 · CS01
Confirmation statement made on 17 Jul 2021 with updates
16 Jun 2021 · DISS40
Gazette filings brought up to date
15 Jun 2021 · GAZ1
Gazette notice compulsory
9 Jun 2021 · AA
Dormant accounts made up to 31 Jul 2020
Showing the latest 20 of 24 filings. See the full history on Companies House
Accounting services for Caisson Io Limited
From tax to payroll, find accountants who look after every part of Caisson Io 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 Caisson Io Limited
About Caisson Io Limited
Caisson Io Limited is a UK private limited company based in London, registered at Companies House as company number 12111220 since 18 Jul 2019. Its listed activities include management of real estate on a fee or contract basis. This page brings together its public record — directors, registered office, nature of business and filing history — in one easy place.
Caisson Io Limited filings and compliance
Every UK limited company must file annual accounts, a confirmation statement and a corporation tax return each year. Caisson Io Limited has 24 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 Caisson Io 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 Caisson Io Limited?
Caisson Io Limited – frequently asked questions
What is the company number of Caisson Io Limited?
Caisson Io Limited is registered at Companies House under company number 12111220.
When was Caisson Io Limited incorporated?
Caisson Io Limited was incorporated on 18 Jul 2019 as a private limited company.
Who are the directors of Caisson Io Limited?
Current officers are Mark Lawley Bowden (director), Michael Andrew Newman (director), Philip Edward Fletcher Stott (director) and Angus Myrie Scott Brown (director).
What does Caisson Io Limited do?
The company's registered nature of business (SIC) is 68320 – Management of real estate on a fee or contract basis.
Where is Caisson Io Limited registered?
The registered office address is 3rd Floor Mitre House, 12-14 Mitre Street, London, EC3A 5BU.
Is Caisson Io Limited still trading?
According to its latest Companies House record the company status is active. Its most recent filing was confirmation statement made on 17 Jul 2026 with no updates on 12 Aug 2026.