Firmoscan
Active01853864Private limited companyWarrington

FAST REACTOR TECHNOLOGY LIMITED

Significant control: Amentum Clean Energy Limited (50–75%), United Kingdom Atomic Energy Authority (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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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What does Fast Reactor Technology Limited sell?

Registered activity: Other service activities n.e.c. (SIC 96090). 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

FAST REACTOR TECHNOLOGY LIMITED is an active private limited company (company number 01853864) incorporated on 9 October 1984, registered in Warrington. Its registered activity is other service activities n.e.c. (SIC 96090). Accounts are on file at Companies House (dormant) but not yet parsed into this record.

There are 5,230 companies in other service activities n.e.c. in Manchester with filed accounts; the median reports net assets of £804 and is 7 years old.

02

Ownership and control

2 active
  • Amentum Clean Energy Limited
    corporate entity, United Kingdom · since 6 April 2016
    • owns 50–75% of shares
    • holds 50–75% of voting rights
    • can appoint or remove directors
  • United Kingdom Atomic Energy Authority
    corporate entity · since 6 April 2016
    • 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
9 October 198442 yrs ago
First accounts due
9 July 198614717 days overdue
Confirmation statement due
23 October 2027in 364 days

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

04

Activity

SIC 96090
Other service activities n.e.c.
Accounts type
Dormant
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 9 October 1984
  • Accounts past their due dateDue 9 July 1986

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 364 days
  2. First accounts due14717 days overdue
  3. Incorporated
08

Similar companies in Manchester

Same activity (other service activities n.e.c.), closest in incorporation date

All companies incorporated on 9 October 1984 · in Oct 1984.

09

Reminders for FAST REACTOR TECHNOLOGY 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.

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).