ActiveNI049249Private limited companyBelfast

PTM CALIBRATION LTD

Significant control: Peter Mcdowell (50–75%), Margaret Mcdowell (25–50%)

Companies HouseCompanies House

From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms

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Registered activity: Technical testing and analysis (SIC 71200). We’re building product and service lists for UK companies. Get this one when it’s ready.

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01

Summary

Generated from filed data · no estimates

PTM CALIBRATION LTD is an active private limited company (company number NI049249) incorporated on 10 January 2004, registered in Belfast. Its registered activity is technical testing and analysis (SIC 71200). Latest micro accounts cover the period ending 31 August 2025, showing net assets of £188k, with 6 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 50% on the prior period (£126k).

Peer position · net assets

By net assets it sits in the top quarter of 3,192 comparable companies in the UK (median £6,971, upper quartile £52k).

02

Ownership and control

2 active
  • Peter Mcdowell
    Individual · since 6 April 2016
    • owns 50–75% of shares
    • holds 50–75% of voting rights
    • can appoint or remove directors
  • Mrs Margaret Mcdowell
    Individual · since 26 September 2022
    • owns 25–50% of shares
    • holds 25–50% of voting rights

Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.

03

Key dates

Incorporated
10 January 200422 yrs ago
Next accounts due
31 May 2027in 219 days
Confirmation statement due
24 January 2027in 92 days

Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.

04

Activity

SIC 71200
Technical testing and analysis
Accounts type
Micro Entity
Size band
MicroCompanies Act thresholds
05

Financials

2 periods on record · latest ending 31 August 2025
Net assets
£188k
+50%vs Aug 2024
Cash at bank
Not reported
Turnover
Not disclosed
Employees
6
No changevs Aug 2024
Net assets
£188k
Average employees
6
Filed accounts by period, newest first
Period endNet assetsCashDebtorsCreditors <1yTurnoverProfitEmployees
31 August 2025£188k——£87k——6
31 August 2024£126k——£64k——6
Current ratio2.42Current assets ÷ creditors within one year

Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.

06

Filing and accounts signals

Facts from the register · no rating
  • Net assets above zeroNet assets £188,249 at 31 August 2025
  • Net assets up 10% or more on the prior period+50.0% vs prior period
  • Current assets at least 1.5× creditors within one yearCurrent ratio 2.42
  • Incorporated five or more years agoIncorporated 10 January 2004

Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.

07

Timeline

Newest first
  1. Next accounts duein 219 days
  2. Confirmation statement duein 92 days
  3. Accounts period endNet assets £188k · micro accounts
  4. Accounts period endNet assets £126k · micro accounts
  5. Incorporated
08

Similar companies in Belfast

Same activity (technical testing and analysis), closest in incorporation date
09

Reminders for PTM CALIBRATION LTD

Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.

Source: Companies House register, snapshot 2026-08-31; accounts from the Companies House accounts data product. Open Government Licence v3.0. View on Companies House. Methodology · About · Markdown.