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Mantissa Corporation Limited

Mantissa Corporation Limited is an active UK company (number 03054508), incorporated 1995, with 2 current directors, Gary Dennis and Sharon Dennis. Source: Companies House, updated 4th October 2026.

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Official record Companies House · updated 4th October 2026 · Sources

Network

The large node is Mantissa Corporation Limited. Red nodes are organisations, white nodes are people. Sign in free to explore further.

Who leads it

Previous officers 6

  1. Gerald Alan Templeton 2000-2005 Director View profile
  2. Walter Walsh 1995-2003 Director View profile
  3. PKF Littlejohn Corporate Services Limited 2009-2017 Corporate-secretary View profile
  4. Corporate Secretarial Services Limited 2006-2009 Corporate-secretary View profile
  5. City Gate Secretaries Limited 1996-2006 Corporate-secretary View profile
  6. Nicolas Peter Karonias 1996-1996 Secretary View profile

Directors and secretaries as filed at Companies House.

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About

Incorporated
09/05/1995

Ownership

Owned by (1) iOwned byIndividuals and companies registered as having significant control over this company, from the Companies House PSC (persons with significant control) register. People whose ownership could not be confirmed to one individual are not listed as confirmed owners.

  • Gary Dennis
    75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 - confirmed: also a director of this company

Group

  1. Mantissa Corporation Limited is controlled by Gary Dennis
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register

Ultimately controlled by Gary Dennis.

Ownership paths are calculated from Companies House persons-with-significant-control filings. Each step shows the filed nature of control and dates; a step marked "ceased" is historical, not current.

Board analysis

Board DNA

How this board is put together, from the Companies House officer record and Charity Commission trustee records - deterministic, no AI.iBoard compositionCounted from the dated Companies House officer record: the current directors only, past directors excluded.

2 directors on the board

27.4y median 27.4y
average tenure
31.4y
longest tenure

Directors past 6 years

First-time vs portfolio directors

First-time (2)

0
also govern a charity
0
left in the last 12 months

Gaps to watch

  • Several long-serving directors could step down together

Where to look Suggested search: succession planning for long-tenured seats.

Sources

Official record from Companies House. Governance Register calculates the connections.

Record details
Company number
03054508
Status
Active
Type
Private Limited Company
Edition
Register edition compiled 4th October 2026
Labels
Official record from Companies House · Calculated derived by Governance Register.

Contains public sector information licensed under the Open Government Licence v3.0. Report an issue · How we handle data