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UK company intelligence
Company Active LTD

Company profile

Advent Underwriting Limited

UK company 01227004, incorporated on 19 September 1975.

Home - RiverStone International

RiverStone International is an industry-leading acquirer and reinsurer of legacy and discontinued insurance business specialising in the management of legacy business and portfolios.

Company number
01227004
Incorporated
19 Sep 1975
Companies House status
Active

Company identity

Founded / incorporated
19 September 1975

Company number 01227004

Verify at Companies House
Legal name
ADVENT UNDERWRITING LIMITED
Company type
Private Limited Company
Region
South East England
Registered address
PARK GATE
161-163 PRESTON ROAD
BRIGHTON
EAST SUSSEX
UNITED KINGDOM
BN1 6AU
Insolvency history
No

Corporate ownership

Updated 07 Jul 2026 09:49

1 level 1 ultimate controller
1
Company Active LTD
Advent Underwriting Limited
CRN 01227004
2
Direct and ultimate controller Active LTD
Advent Capital (Holdings) Ltd
CRN 03033609

Company events

Reference milestones and recent Companies House filing stream events.

7 events
31 Dec
2026

Confirmation statement due

Confirmation Due

Next confirmation statement due date

30 Sep
2026

Accounts due

Accounts Due

Next accounts due date

28 Jul
2026

Appoint Corporate Secretary Company With Name Date

Officers

AP04 | Transaction MzUzNTUyNDAwNWFkaXF6a2N4

Published 28 Jul 2026 16:52

28 Jul
2026

Termination Secretary Company With Name Termination Date

Officers

TM02 | Transaction MzUzNTUxNzg4OGFkaXF6a2N4

Published 28 Jul 2026 15:52

17 Dec
2025

Confirmation statement filed

Confirmation

Last confirmation statement made up date

31 Dec
2024

Accounts filed

Accounts

Last accounts made up date

19 Sep
1975

Incorporated

Inception

Company registered at Companies House