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Company

Sirius Constellation LTD

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Official record Companies House · updated 27th September 2026 · Sources

Network

The large node is Sirius Constellation LTD. Red nodes are organisations, white nodes are people. Sign in free to explore further.

Who leads it

Previous officers 4

  1. Alistair Charles Hancock 2022-2025 Director View profile
  2. Rt Hon Lord David Lindsay Willetts 2017-2025 Director View profile
  3. Anthony John Rix 2017-2021 Director View profile
  4. Matthew Thomas Diarmuid Gilpin 2016-2023 Director View profile

Directors and secretaries as filed at Companies House.

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

Public contracts won

2 contracts

From Contracts Finder and Find a Tender, the UK Government's public procurement notices, under the Open Government Licence v3.0. Matched to this organisation by company number, charity number or exact name and postcode; every figure links to its source notice.

  • G Cloud 15 Buyer: Government Commercial Agency Value not published Date not published Source: Find a Tender

    G-Cloud 15 (GC15) is the replacement for G-Cloud 14 (GC14), G-Cloud 14 Lot 4 (GC14.4) and Cloud Compute 2 (CC2). It is the largest framework of its kind in the public sector. G-Cloud spend for FY23/24 was £3.1bn and Cloud Compute was £0.5m.…

    Framework
  • Space Technology Solutions Buyer: Government Commercial Agency Value not published Date not published Source: Find a Tender

About

Incorporated
12/09/2016

Ownership

Owned by (2) 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.

Group

  1. Sirius Constellation LTD is controlled by Rosalind Mary Glaister
    Evidence
    active 25-50% shares, 25-50% voting · notified 2026-01-27 · source: Companies House PSC register

Ultimately controlled by Rosalind Mary Glaister.

1 other company 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.

Financials

Net assets
£1,736,409
Total assets
£1,746,409
Cash
£847,011
Employees
29
Turnover
Not reported (small or micro-entity accounts)

Filed as Abridged accounts (unaudited).

Figures from accounts filed at Companies House (iXBRL), period ending 2024-12-31. Where turnover is absent, small and micro-entity accounts are not required to report it, so it is not shown as zero.

Grants received

4 grants · £997,818 total

360Giving data, published by funders. Coverage only includes funders who publish their grants to 360Giving, so these figures are a floor, not a complete picture.

Top funders

  • Department for Business, Energy and Industrial Strategy · £997,818 (4 grants)

Most recent

  • Department for Business, Energy and Industrial Strategy £19,3612022-01-01
  • Department for Business, Energy and Industrial Strategy £277,4962021-10-01
  • Department for Business, Energy and Industrial Strategy £283,5602020-10-01
  • Department for Business, Energy and Industrial Strategy £417,4012018-04-01
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.

3 directors on the board

9.5y median 9.4y
average tenure
9.8y
longest tenure

Directors past 6 years

First-time vs portfolio directors

Portfolio (3)

1
left in the last 12 months

Where else this board sits iWhere else this board sitsThe charitable fields these directors govern in elsewhere, by Charity Commission classification. Excludes this company and any charity it is the legal face of.

Agriculture 1Hospitality 1Other services 1Professional services 1Retail and trade 1Transport 1

The sectors these directors govern in elsewhere. This company, and any charity it is the legal face of, are excluded - counting them would just tell you what you are already looking at.

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
10370422
Status
Active
Type
Private Limited Company
Edition
Register edition compiled 27th September 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