# S3 MERCURY SUB LTD (15834889)

> S3 MERCURY SUB LTD is an active private limited company (company number 15834889) incorporated on 12 July 2024, registered in Marlow. Its registered activity is other information technology service activities (SIC 62090). Latest dormant accounts cover the period ending 31 December 2025, showing net assets of £1, with 0 employees on average.

- Status: Active
- Incorporated: 2024-07-12
- Registered office: Marlow, SL7 3HN
- SIC 62090: Other information technology service activities
- SIC 63110: Data processing, hosting and related activities
- Next accounts due: 2027-09-30
- Confirmation statement due: 2027-07-26
- Accounts type: DORMANT

By net assets it sits in the lower half of 1,188 comparable companies in Reading (median £7,089, upper quartile £73k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-12-31 | £1 | — | £1 | — | — | — | 0 |

size band micro.

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

- Net assets above zero: Net assets £1 at 31 December 2025
- Incorporated two to five years ago: Incorporated 12 July 2024

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

## Persons with significant control

- S3 Topco Uk Ltd (corporate-entity) — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors, since 2024-07-12

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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/15834889
HTML: https://firmoscan.com/company/15834889-s3-mercury-sub-ltd