Active05743780Private limited companySheffield

TRIBOSONICS LTD

Significant control: Enterprise Ventures (General Partner Npif Yhtv Equity) Limited (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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

Watch this company

Get an email when Companies House records a change for Tribosonics Ltd: status, filings, accounts, officers or owners. Free.

Not live yet: alerts start by 15 December 2026. We store your email and this company number only, for these alerts. If alerts don’t launch, we tell you and delete your address. Privacy

Coming soon · product and service lists

What does Tribosonics Ltd sell?

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.

One email, only about this. If we don’t launch within 60 days we’ll tell you. Privacy
01

Summary

Generated from filed data · no estimates

TRIBOSONICS LTD is an active private limited company (company number 05743780) incorporated on 15 March 2006, registered in Sheffield. Its registered activity is technical testing and analysis (SIC 71200). Accounts are on file at Companies House (total exemption full) but not yet parsed into this record.

There are 99 companies in technical testing and analysis in Sheffield with filed accounts; the median reports net assets of £8,090 and is 10 years old.

02

Ownership and control

1 active · 3 other
  • Enterprise Ventures (General Partner Npif Yhtv Equity) Limited
    corporate entity, England & Wales · since 1 September 2020
    • owns 25–50% of shares
    • holds 25–50% of voting rights
  • Mrs Janelle Harper
    Individual · since 1 July 2016 · ceased 11 March 2019
    • owns 25–50% of shares
  • Dr Philip Brian Harper
    Individual · since 1 July 2016 · ceased 1 November 2023
    • owns 25–50% of shares
    • holds 25–50% of voting rights
  • Mrs Janelle Harper
    Individual · since 1 September 2020 · ceased 1 November 2023
    • 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
15 March 200620 yrs ago
First accounts due
15 December 20076889 days overdue
Confirmation statement due
29 March 2027in 155 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
Total Exemption Full
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 15 March 2006
  • Accounts past their due dateDue 15 December 2007

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 155 days
  2. First accounts due6889 days overdue
  3. Incorporated
08

Similar companies in Sheffield

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

Reminders for TRIBOSONICS LTD

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.