Firmoscan
Active15129965Private limited companyLondon

SONIC UPSTREAM LIMITED

Significant control: Stephen Robert Bertenshaw (50–75%)

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From public filings as at 31 Aug 2026; may contain errors or be out of date.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: Non-life insurance (SIC 65120). 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

SONIC UPSTREAM LIMITED is an active private limited company (company number 15129965) incorporated on 11 September 2023, registered in London. Its registered activity is non-life insurance (SIC 65120). Accounts are on file at Companies House (total exemption full) but not yet parsed into this record.

There are 247 companies in non-life insurance in London with filed accounts; the median reports net assets of £32k and is 16 years old.

02

Ownership and control

1 active
  • Mr Stephen Robert Bertenshaw
    Individual · since 11 September 2023
    • owns 50–75% of shares
    • holds 50–75% 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
11 September 20233 yrs ago
First accounts due
11 June 2025502 days overdue
Confirmation statement due
25 September 2027in 334 days

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

04

Activity

SIC 65120
Non-life insurance
SIC 66290
Other activities auxiliary to insurance and pension funding
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 two to five years agoIncorporated 11 September 2023
  • Accounts past their due dateDue 11 June 2025

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 They are not a rating, a prediction or advice, and may be incomplete or out of date.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 334 days
  2. First accounts due502 days overdue
  3. Incorporated
08

Similar companies in London

Same activity (non-life insurance), closest in incorporation date

All companies incorporated on 11 September 2023 · in Sept 2023.

09

Reminders for SONIC UPSTREAM LIMITED

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