Firmoscan
Active17073328Private limited companyLondon

EXTANT ENERGY LTD

Significant control: Mark Alfred Bernard Street (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Extant Energy Ltd sell?

Registered activity: Construction of utility projects for electricity and telecommunications (SIC 42220). 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

EXTANT ENERGY LTD is an active private limited company (company number 17073328) incorporated on 5 March 2026, registered in London. Its registered activity is construction of utility projects for electricity and telecommunications (SIC 42220). No accounts have been filed yet; the first accounts are due by 5 December 2027.

There are 266 companies in construction of utility projects for electricity and telecommunications in London with filed accounts; the median reports net assets of £733 and is 5 years old.

02

Ownership and control

1 active
  • Mr Mark Alfred Bernard Street
    Individual · since 5 March 2026
    • owns 75–100% of shares

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
5 March 2026under 1 yr ago
First accounts due
5 December 2027in 407 days
Confirmation statement due
19 March 2027in 146 days

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

04

Activity

SIC 42220
Construction of utility projects for electricity and telecommunications
SIC 43210
Electrical installation
SIC 43290
Other construction installation
SIC 71129
Other engineering activities
Accounts type
No Accounts Filed
05

Financials

No accounts on record

No accounts filed yet. The first accounts are due by 5 December 2027; this page updates when they are filed.

06

Timeline

Newest first
  1. First accounts duein 407 days
  2. Confirmation statement duein 146 days
  3. Incorporated
07

Similar companies in London

Same activity (construction of utility projects for electricity and telecommunications), closest in incorporation date

All companies incorporated on 5 March 2026 · in Mar 2026.

08

Reminders for EXTANT ENERGY LTD

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

This information comes from public filings and our automated processing of them. It may contain errors, be incomplete or be out of date, and is not advice or a credit reference. Check the official record before relying on it. Terms · Privacy · Report an error (corrected within one working day).