Active03797278Private limited companyLondon

DIAMOULD LIMITED

Significant control: Onesubsea Investments UK Limited (75–100%)

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From public filings as at 31 Aug 2026; may contain errors or be out of date.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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What does Diamould Limited sell?

Registered activity: Manufacture of telegraph and telephone apparatus and equipment (SIC 26301). 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

DIAMOULD LIMITED is an active private limited company (company number 03797278) incorporated on 28 June 1999, registered in London. Its registered activity is manufacture of telegraph and telephone apparatus and equipment (SIC 26301). Accounts are on file at Companies House (audit exemption subsidiary) but not yet parsed into this record.

There are 106 companies in manufacture of telegraph and telephone apparatus and equipment in the UK with filed accounts; the median reports net assets of £11k and is 23 years old.

02

Ownership and control

1 active · 1 other
  • Onesubsea Investments Uk Limited
    corporate entity, England · since 1 June 2023
    • owns 75–100% of shares
    • holds 75–100% of voting rights
    • can appoint or remove directors
  • Schlumberger Oilfield Uk Plc
    corporate entity, England & Wales · since 29 March 2017 · ceased 1 June 2023
    • owns 75–100% of shares
    • holds 75–100% of voting rights
    • can appoint or remove directors

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
28 June 199927 yrs ago
First accounts due
28 March 20019342 days overdue
Confirmation statement due
12 July 2027in 260 days

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

04

Activity

SIC 26301
Manufacture of telegraph and telephone apparatus and equipment
Accounts type
Audit Exemption Subsidiary
05

Financials

No accounts on record

Accounts exist on the register but their figures are not in this dataset yet.

06

Filing and accounts signals

Facts from the register · no rating
  • Incorporated five or more years agoIncorporated 28 June 1999
  • Accounts past their due dateDue 28 March 2001

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. Confirmation statement duein 260 days
  2. First accounts due9342 days overdue
  3. Incorporated
08

Similar companies in London

Same activity (manufacture of telegraph and telephone apparatus and equipment), closest in incorporation date
09

Reminders for DIAMOULD LIMITED

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

Source: Companies House register, snapshot 2026-08-31. Open Government Licence v3.0. View on Companies House. Methodology · About · Markdown.