TAMESIS DEVELOPMENT LTD
Company number 12210539 · Active · London SW6 3LQ
TAMESIS DEVELOPMENT LTD is an active private limited company (company number 12210539) incorporated on 17 September 2019, registered in London. Its registered activity is sewerage (SIC 37000). Latest small accounts cover the period ending 30 September 2025, showing net assets of £55k and cash of £158k, with 14 employees on average. Net assets rose 396% on the prior period (£11k).
By net assets it sits in the top quarter of 58 comparable companies in London (median £5,779, upper quartile £39k).
Key dates
- Incorporated
- 17 September 2019
- Next accounts due
- 30 June 2027 — in 253 days
- Confirmation statement due
- 1 October 2027 — in 346 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 37000
- Sewerage
- SIC 41201
- Construction of commercial buildings
- SIC 41202
- Construction of domestic buildings
- SIC 43210
- Electrical installation
- Accounts type
- Total Exemption Full
- Size band
- Micro (Companies Act thresholds)
Financials — 2 periods on record, latest ending 30 September 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 September 2025 | £55k | £158k | £61k | — | — | — | 14 |
| 30 September 2024 | £11k | £27k | £61k | — | — | — | 4 |
- Cash per employee
- £11k
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Firmoscan score: 80/100 (grade A)
- +10 Positive net assets — Net assets £54,687 at 2025-09-30
- +8 Net assets growing — +396.1% vs prior period
- +4 Cash reserves — Cash £158,027
- +8 Established — Incorporated 2019-09-17 (7 years)
A transparent, rules-based score from filed data only: every point lists its evidence. It is not a credit rating or advice.
Ownership and control
- Mr Mohsen Emami Niri — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors · since 17 September 2019
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
Similar companies in London
Same activity (sewerage), closest in incorporation date.
- NATIONAL DRAINS & SEWERAGE LTD — London, inc. Sept 2019
- WENEN LTD — London, inc. Sept 2019
- INFINITY DRAINAGE SOLUTIONS LTD — London, inc. Jun 2019
- RCP ROOF &WALLS LTD — London, inc. Jan 2020
- KASSIA DEVELOPMENTS LTD — London, inc. May 2019
- DRAINS SQUAD LTD — London, inc. Jan 2019
Reminders for TAMESIS DEVELOPMENT LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.