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Company profile

Jam Topco Limited

MK Test Systems - Innovative automatic electrical test systems

MK Test Systems - enabling the world's most demanding industries to test their electrical assemblies, since 1992.

CRN

09147859

Founded

2014

Age

Overview

Legal name

JAM TOPCO LIMITED

Region

South West England

Registered address

ATE HOUSE WESTPARK 26

CHELSTON

WELLINGTON

SOMERSET

UNITED KINGDOM

TA21 9AD

Insolvency history

Corporate ownership

Updated 06 Jun 2026 16:52

1 level 1 ultimate controller

Company Active LTD

Jam Topco Limited

CRN 09147859

Direct and ultimate controller Active PLC

Halma Public Limited Company

CRN 00040932

Latest accounts

Financial period: 1 Jun 2023 to 31 May 2024

FULLACCOUNTS

Turnover

Unknown

Profit / Loss

Unknown

Employees

Company events

Reference milestones and recent Companies House filing stream events.

5 events

31 Dec

2026

Accounts due

Accounts Due

Next accounts due date

29 Jul

2026

Confirmation statement due

Confirmation Due

Next confirmation statement due date

15 Jul

2025

Confirmation statement filed

Confirmation

Last confirmation statement made up date

31 Mar

2025

Accounts filed

Accounts

Last accounts made up date

25 Jul

2014

Incorporated

Inception

Company registered at Companies House