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Zelim

Edinburgh, GB · 1 known investors

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Zelim develops AI-enabled maritime safety and security systems, including man-overboard detection (ZOE), a rapid recovery system (Swift), and an unmanned rescue vessel (Guardian). Its products serve maritime operators such as cruise, ferry, and offshore operations to detect, track, and recover people in the water.

AI & Machine LearningDeep TechHardwareRobotics

Founders & leadership

SMSam Mayall
Sam MayallFounderSam Mayall leads Zelim, which develops AI-enabled maritime safety systems for detecting and recovering people in the water. He brings over seven years of experience in offshore survival systems and maritime safety technology.

Investors · 1

Funding

SEC filings, press & company announcements

Source: company announcements and press reports — follow each round's link for the claim.

Companies House · registry record

View on Companies House ↗
Registered name
ZELIM LIMITED
Company number
11010715
Status
Active
Company type
Private limited company
Incorporated
12 Oct 2017
Registered office
Garreg Lwyd, Llanrhaeadr, Denbigh, Denbighshire, LL16 4PW
Nature of business (SIC)
30110 — Building of ships and floating structures
Previous names
OFFSHORE SURVIVAL SYSTEMS LIMITED (2017–2022)
Accounts
last made up to 31 Dec 2024 · next due 30 Sept 2026
Confirmation statement
last made up to 11 Oct 2025 · next due 25 Oct 2026

Current officers · 7

  • Brodies Secretarial Services Limited — corporate secretary, appointed 21 Oct 2021
  • Douglas James Baxter — director, appointed 29 Oct 2025
  • Douglas Hunter Duguid — director, appointed 24 Jul 2020
  • Alan Howell Kinsella Gilbert — director, appointed 29 Oct 2025
  • Dominic John Keen — director, appointed 7 Apr 2020
  • Samuel Mayall — director, appointed 12 Oct 2017
  • Kero Limited — corporate director, appointed 25 Nov 2022

Source: Companies House public register · retrieved 16 Aug 2026. Contains public sector information licensed under the Open Government Licence v3.0.

Frequently asked questions

What does Zelim do?
Zelim develops AI-enabled maritime safety and security systems, including man-overboard detection (ZOE), a rapid recovery system (Swift), and an unmanned rescue vessel (Guardian). Its products serve maritime operators such as cruise, ferry, and offshore operations to detect, track, and recover people in the water.
Who founded Zelim?
Zelim was founded by Sam Mayall.
Who are Zelim's investors?
Zelim's investors include Kero Development Partners.
Where is Zelim headquartered?
Zelim is headquartered in Edinburgh, GB.