# ADDITION DESIGN OFFICE LTD (14579481)

> ADDITION DESIGN OFFICE LTD is an active private limited company (company number 14579481) incorporated on 9 January 2023, registered in London. Its registered activity is architectural activities (SIC 71111). Latest micro accounts cover the period ending 31 January 2026, showing net assets of −£1,501, with 0 employees on average. Turnover was £11k and profit for the year −£2,239. Net assets fell 304% on the prior period (£737). Across the last 3 periods on record the net-asset trend is falling.

- Status: Active
- Incorporated: 2023-01-09
- Registered office: London, W1W 5PF
- SIC 71111: Architectural activities
- SIC 71121: Engineering design activities for industrial process and production
- SIC 71122: Engineering related scientific and technical consulting activities
- SIC 74100: Specialised design activities
- Next accounts due: 2027-10-31
- Confirmation statement due: 2027-01-23
- Accounts type: MICRO ENTITY

By net assets it sits in the bottom quarter of 3,230 comparable companies in London (median £4,423, upper quartile £45k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2026-01-31 | −£1,501 | — | — | £0 | £11k | −£2,239 | 0 |
| 2025-01-31 | £737 | — | — | £396 | £8,401 | −£2,376 | 0 |
| 2024-01-31 | £16k | — | — | £206 | £47k | £29k | — |

net margin -20.0%; net assets trend falling; size band micro.

## Filing and accounts signals (facts, not a rating)

- Net assets below zero: Net assets £-1,501 at 31 January 2026
- Net assets down 25% or more on the prior period: -303.7% vs prior period
- Three or more accounting periods on record: 3 periods on record
- Incorporated two to five years ago: Incorporated 9 January 2023

How each signal is derived: https://firmoscan.com/methodology

## Persons with significant control

- Mr Christopher Mark Latham — owns 75–100% of shares; holds 75–100% of voting rights, since 2023-01-09

---
Source: Companies House register snapshot 2026-08-31, Open Government Licence v3.0. Information may have changed since that date and is not advice or a credit reference; check the official record before relying on it. Official record: https://find-and-update.company-information.service.gov.uk/company/14579481
HTML: https://firmoscan.com/company/14579481-addition-design-office-ltd