SPHERETECH LIMITED
Company number 09310194 · Active · Northampton NN3 6WL
SPHERETECH LIMITED is an active private limited company (company number 09310194) incorporated on 13 November 2014, registered in Northampton. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest small accounts cover the period ending 31 December 2025, showing net assets of £309k and cash of £727k, with 22 employees on average. Net assets rose 20% on the prior period (£256k).
By net assets it sits in the top quarter of 383 comparable companies in Northampton (median £6,458, upper quartile £33k).
Key dates
- Incorporated
- 13 November 2014
- Next accounts due
- 30 September 2027 — in 343 days
- Confirmation statement due
- 27 November 2026 — in 36 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 43220
- Plumbing, heat and air-conditioning installation
- Accounts type
- Total Exemption Full
- Size band
- Micro (Companies Act thresholds)
Financials — 2 periods on record, latest ending 31 December 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | £309k | £727k | £604k | — | — | — | 22 |
| 31 December 2024 | £256k | £641k | £302k | — | — | — | 22 |
- Cash per employee
- £33k
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 £308,620 at 2025-12-31
- +8 Net assets growing — +20.5% vs prior period
- +4 Cash reserves — Cash £726,522
- +8 Established — Incorporated 2014-11-13 (12 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
- Amberstone Sterling Holdings Limited (corporate entity, United Kingdom) — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors · since 18 December 2025
- Mr Marc Knibbs — owns 50–75% of shares; holds 50–75% of voting rights; can appoint or remove directors · since 6 April 2016 · ceased 18 December 2025
- Mr Simon James Wheeler — owns 25–50% of shares; holds 25–50% of voting rights · since 6 April 2016 · ceased 18 December 2025
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 Northampton
Same activity (plumbing, heat and air-conditioning installation), closest in incorporation date.
- HARTWELL & SON LIMITED — Northampton, inc. Nov 2014
- D & C HEATING SERVICES LIMITED — Northampton, inc. Nov 2014
- PLUMBCO MANAGEMENT COMPANY LTD — Kettering, inc. Nov 2014
- AQUA ACCESS LIMITED — Wellingborough, inc. Nov 2014
- HOMEPIPE LTD — Northampton, inc. Nov 2014
- M & D PLUMBING LIMITED — Wellingborough, inc. Dec 2014
All companies incorporated on 13 November 2014 · in Nov 2014.
Reminders for SPHERETECH LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.