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Company

Annotate Software Limited

Annotate Software Limited is an active UK company (number SC294230), incorporated 2005, with 2 current directors, Dr Frederick William Howell and Dr Robert Charles Cannon. 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 Annotate Software Limited. Red nodes are organisations, white nodes are people. Sign in free to explore further.

Who leads it

Previous officers 3

  1. Graham Francis Smith 2016-2021 Director View profile
  2. Martin Graham Bangs 2016-2021 Director View profile
  3. Sara May Robertson 2014-2016 Secretary View profile

Directors and secretaries as filed at Companies House.

Do you help lead this organisation? Set up its network · How it works

About

Incorporated
07/12/2005

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.

  • Opus 2 Magnum Holdings Limited
    75-100% shares, 75-100% voting, appoints directors · notified 2021-03-02
  • Possible match - name could not be confirmed to one individualiPossible matchThis PSC filing could not be confirmed to one individual. Not shown as confirmed ownership.

Group

  1. Annotate Software Limited is controlled by Opus 2 Magnum Holdings Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2021-03-02 · source: Companies House PSC register
  2. Opus 2 Magnum Holdings Limited is controlled by Umbria Bidco Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2021-03-02 · source: Companies House PSC register
  3. Umbria Bidco Limited is controlled by Umbria Midco Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2017-07-06 · source: Companies House PSC register
  4. Umbria Midco Limited is controlled by Umbria Topco Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2017-07-06 · source: Companies House PSC register
  5. Umbria Topco Limited is controlled by Midcap Invest UK 1 Bidco Limited
    Evidence
    active 75-100% shares · notified 2021-03-22 · source: Companies House PSC register
  6. Midcap Invest UK 1 Bidco Limited is controlled by Midcap Invest UK 1 Midco Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2021-05-06 · source: Companies House PSC register
  7. Midcap Invest UK 1 Midco Limited is controlled by Midcap Invest UK 1 Topco Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2021-04-08 · source: Companies House PSC register

The PSC filings above Annotate Software Limited loop back on themselves; the chain is shown as far as it can be followed safely.

7 other companies in this group

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

20.6y median 20.6y
average tenure
20.6y
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
SC294230
Status
Active
Type
Private Limited Company
Edition
Register edition compiled 4th October 2026
Labels
Official record from Companies House · Calculated derived by Governance Register.

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