United Kingdom National Nuclear Laboratory Limited

03857752

active

Private Limited Company

england wales

Companies House

Health Score

65 / 100

Some Concerns

25/30

Filing

0/30

Financial

40/40

Risk

No risk factors detected.

Details

CHADWICK HOUSE WARRINGTON ROAD, WARRINGTON, WA3 6AE

Incorporated 07/10/1999

Compliance

Last accounts

31/03/2024

full

Next accounts due

30/06/2026

On track

Confirmation statement

Last: 07/10/2025

Due 21/10/2026

On track

Industry

71122

Engineering related scientific and technical consulting activities

71200

Technical testing and analysis

Officers

Mr Iain Geoffrey Clarkson

director · Since 01/10/2019

CHARTERED ACCOUNTANT

BRITISH · ENGLAND · Age 59

Mrs Samantha Wheeler

secretary · Since 18/09/2023

Mrs Julianne Antrobus

director · Since 01/04/2025

CHIEF EXECUTIVE OFFICER

BRITISH · ENGLAND · Age 52

Also on 1 other board

Professor Neil Graham Smart

director · Since 01/04/2025

COMPANY DIRECTOR

BRITISH · UNITED KINGDOM · Age 62

Also on 1 other board

Mrs Hannah Brewer Gray

director · Since 21/10/2025

CIVIL SERVANT

BRITISH · UNITED KINGDOM · Age 50

Mr David Douglas Scott

director · Since 23/01/2026

BRITISH · ENGLAND · Age 59

Also on 1 other board

Mrs Mandy Dawn Clarke

director · Since 29/04/2026

BRITISH · ENGLAND · Age 60

Also on 5 other boards

Mr Brian Thomas Tenner

director · Since 29/04/2026

BRITISH,IRISH · ENGLAND · Age 58

Also on 11 other boards

Persons with Significant Control

Nnl Holdings Limited

75–100% shares

75–100% votes

Appoint directors

Chadwick House, Warrington Road, Warrington, WA3 6AE

Reg: 06859180 · Companies House · Private Company Limited By Shares

Notified 06/04/2016