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Company

Stem Architects Limited

Stem Architects Limited is an active UK company (number 06543314), incorporated 2008, with 1 current director, Nigel Stevenson. Source: Companies House, updated 11th October 2026.

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Official record Companies House · updated 11th October 2026 · Sources · Free, no card or password

Network

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Who leads it

Directors and secretaries as filed at Companies House.

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Public contracts won

4 contracts · £626,278 total

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.

  • YAS 38 2026_27 Sheffield Project Management Support - RIBA stages1-2 Buyer: Yorkshire Ambulance Service NHS Trust £200,000 2026-06-26 CPV 71500000 Source: Contracts Finder

    Contract awarded to provide project management suppport for the Sheffield Hub project, initial instruction RIBA 1-2, planning stages. Additional information: Instructed compliantly using the Pagabo PS framework - PCR Direct Award (Reg …

  • YAS 206 2025_26 Project Management Support Buyer: Yorkshire Ambulance Service NHS Trust £50,000 2026-05-28 CPV 71240000 Source: Contracts Finder

    Stem Architects were awarded a contract under a framework direct award to provide additional project management support to assist with the successful delivery of the estates capital programme, ensuring projects progressed at pace and were d…

  • YAS 338 2024_25 Thirsk Ambulance Station Project Support Buyer: Yorkshire Ambulance Service NHS Trust £41,718 2025-04-23 CPV 71240000 Source: Contracts Finder

    Stem Architects were awarded a contract under a direct award appointment via Pagabo Framework to provide Professional Architectural and Project Support Services. A variation to the original contract was instructed in the sum of £8,500 (net…

  • YAS 102 2024_25 Hull Station Professional Architect Services Buyer: Yorkshire Ambulance Service NHS Trust £334,560 2025-04-01 CPV 71240000 Source: Contracts Finder

    Awarded under a direct award appointment via Pagabo Framework to provide Professional Architect Consultancy Services: Stage 1 - Preparing planning applications, Stage 2 - Production of Enabling Works Tender Package, Stage 3 - Construct…

About

Incorporated
25/03/2008

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.

Group

  1. Stem Architects Limited is controlled by Stem Group Holdings (Lincoln) Limited
    Evidence
    active 75-100% shares, 75-100% voting · notified 2016-04-06 · source: Companies House PSC register
  2. Stem Group Holdings (Lincoln) Limited is controlled by Stem Management Group Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2023-06-30 · source: Companies House PSC register
  3. Stem Management Group Limited is controlled by Nigel Stevenson
    Evidence
    active 50-75% shares, 50-75% voting, appoints directors · notified 2023-06-15 · source: Companies House PSC register

Ultimately controlled by Nigel Stevenson.

8 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.

Financials

Net assets
£21,986
Total assets
£21,986
Cash
£366,860
Employees
13
Turnover
Not reported (small or micro-entity accounts)

Filed as Abridged accounts (unaudited).

Figures from accounts filed at Companies House (iXBRL), period ending 2025-04-30. Where turnover is absent, small and micro-entity accounts are not required to report it, so it is not shown as zero.

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.

1 directors on the board

18.5y median 18.5y
average tenure
18.5y
longest tenure

Directors past 6 years

First-time vs portfolio directors

Portfolio (1)

0
also govern a charity
0
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.

Professional services 2Dormant 1Finance 1Property 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

  • A single director - no second pair of eyes on any decision

Where to look Suggested search: a second director to remove single-point control.

Sources

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

Record details
Company number
06543314
Status
Active
Type
Private Limited Company
Edition
Register edition compiled 11th 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