Skip to content
Governance Register
Sign inFind yourself
Find yourselfSign in
Search How it works For organisations For professionals

Edition

United Kingdom (current)IrelandUnited StatesNew ZealandCanadaAustraliaScotlandNorthern Ireland

The red node is Hartley. Pale nodes are charities, grey nodes are companies, and darker grey nodes are the people who sit on them. Dashed links are historical or inferred. Click any node to explore.

Person

Hartley Michael Koschitzky

Hartley Michael Koschitzky is a director of 7 companies. Source: Companies House records.

Director at The Specialist Waterproofing Group Limited · Director at British Asphalt and Bitumen Limited

  • 7 current roles
  • Served alongside 57 people
How am I connected?Sign in

Official record Companies House · updated 11th October 2026

Roles

7 roles across 7 organisations

Current roles (7)

Company roles, current and past, as filed at Companies House.

People Hartley has served alongside

57 people across 7 organisations

Based on overlapping official board records. Calculated from official records It does not mean they know each other. Only formal co-service is listed: people are never joined on a matching name alone.

IKO PLC 25 people · 1993-present

IKO Holdings Limited 20 people · 1993-present

Briggs Amasco Limited 19 people · 2000-present

The Specialist Waterproofing Group Limited 17 people · 2008-present

Ruberoid International Limited 14 people · 2000-present

IKO U.K. Limited 14 people · 1999-present

British Asphalt and Bitumen Limited 4 people · 2008-present

Sources

Companies House
Officer appointments and resignations.
Edition
Register edition compiled 11th October 2026
Identity
Records are treated as the same person only where the evidence confirms it. How people are matched

Report an issue with this record · How we handle data · Object or ask for removal