# RESERVOIR ENGINEERING SYSTEMS LIMITED (SC397655)

> RESERVOIR ENGINEERING SYSTEMS LIMITED is an active private limited company (company number SC397655) incorporated on 13 April 2011, registered in Aberdeen. Its registered activity is other letting and operating of own or leased real estate (SIC 68209). Latest small accounts cover the period ending 30 April 2025, showing net assets of £962k and cash of £352k, with 1 employee on average. Net assets fell 3% on the prior period (£994k).

- Status: Active
- Incorporated: 2011-04-13
- Registered office: Aberdeen, AB15 8TQ
- SIC 68209: Other letting and operating of own or leased real estate
- Next accounts due: 2027-01-30
- Confirmation statement due: 2027-04-27
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the top quarter of 948 comparable companies in Aberdeen (median −£6,746, upper quartile £21k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-04-30 | £962k | £352k | £1,165 | — | — | — | 1 |
| 2024-04-30 | £994k | £449k | £1,220 | — | — | — | 2 |

size band micro.

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

- Net assets above zero: Net assets £962,124 at 30 April 2025
- Cash at bank of £50,000 or more: Cash £352,235
- Incorporated five or more years ago: Incorporated 13 April 2011

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

## Persons with significant control

- Mrs Sandra Elizabeth Laidlaw — owns 50–75% of shares, since 2016-04-24
- Mr William Nisbet Laidlaw — owns 25–50% of shares, since 2016-04-24

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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/SC397655
HTML: https://firmoscan.com/company/SC397655-reservoir-engineering-systems-limited