Private company

National Mutual Life Assurance Society

British life assurance society1

The National Mutual Life Assurance Society was formed in 1896 by the merger of the National Life Assurance Society and the Mutual Life Assurance Society. It was notable for the Chairmanship of John Maynard Keynes between 1921 and 1938 when he developed the concept of active investment of its fixed interest portfolio, and investment in equities, long before the post-war “cult of the equity”.2 It is headquartered in Telford, United Kingdom.1 It ceased to exist in 2002.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1896Founded1
  • HeadquartersTelford, United Kingdom1
  • Legal formPrivate Unlimited3
  • LEI213800G91QLDIYA2Y1893
  • StatusInactive3
  • LEI statusRetired3
  • Registered addressWINDSOR HOUSE IRONMASTERS WAY, TF3 4NB Telford, United Kingdom3
  • Registered withCompanies House, 000489493
92 Cheapside City of London 1192084 20230824 0339
Photo: Tilman2007, CC BY-SA 4.0, via Wikimedia Commons4

The National Mutual Life Assurance Society was formed in 1896 by the merger of the National Life Assurance Society and the Mutual Life Assurance Society. It was notable for the Chairmanship of John Maynard Keynes between 1921 and 1938 when he developed the concept of active investment of its fixed interest portfolio, and investment in equities, long before the post-war “cult of the equity”.2

Timeline

  1. Feb 2002Dissolved Dissolved1
  2. 1896Founded Founded1