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Company · Bury St. Edmunds

O. Seaman & SON Limited

Development of building projects

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

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Who leads it

Previous officers 6

  1. Michael Turner 2021-2023 Director View profile
  2. Benjamin Whatling 2021-2026 Director View profile
  3. Steven Russell Reason 2021 Director View profile
  4. Lewis William Hart 1997 Director View profile
  5. Michael John Haydon 2020 Director View profile
  6. Martin Ian Hall 2013 Secretary View profile

Directors and secretaries as filed at Companies House.

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Public contracts won

2 contracts · £150,000,000 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.

  • Broadland Development Services Homes for the Future Main Contractor Framework Buyer: Broadland Development Services Limited £150,000,000 2026-02-09 CPV 45000000 Source: Contracts Finder

    Broadland Development Services Limited (BDS) is the development arm of Broadland Housing Association (BHA), a registered provider of Social Housing. BHA was formed in 1963 and built their first scheme, at Shipfield in Norwich, in 1967. Toda…

  • WSFT - Works - Theatre 7 & 9 Buyer: West Suffolk NHS Foundation Trust Value not published Date not published Source: Find a Tender

    Provision of construction, refurbishment and associated building works within Theatre 7 and Theatre 9.

About

What it does
Development of building projects
Incorporated
10/12/1975
Registered office
Bury St. Edmunds

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. O. Seaman & SON Limited is controlled by Seamans Group Limited
    Evidence
    active 75-100% shares · notified 2021-03-09 · source: Companies House PSC register
  2. Seamans Group Limited is controlled by Haydon Holdings Limited
    Evidence
    active 75-100% shares, 75-100% voting · notified 2021-03-09 · source: Companies House PSC register
  3. Haydon Holdings Limited is controlled by Duncan Michael Haydon
    Evidence
    active 50-75% shares · notified 2017-05-14 · source: Companies House PSC register

Ultimately controlled by Duncan Michael Haydon.

6 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
£1,981,412
Total assets
£2,078,412
Cash
£1,585,331
Employees
0.64
Turnover
Not reported (small or micro-entity accounts)
Profit/loss
£737,726

Figures from accounts filed at Companies House (iXBRL), period ending 2025-03-31. 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.

2 directors on the board

15.2y median 15.2y
average tenure
27.5y
longest tenure

Directors past 6 years

First-time vs portfolio directors

First-time (1)

Portfolio (1)

0
also govern a charity

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.

Construction 2Property 2Finance 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.

Sources

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

Record details
Company number
01237050
Status
Active
Type
Private Limited Company
Accounts next due
31/12/2026
Edition
Register edition compiled 27th September 2026
Labels
Official record from Companies House · Calculated derived by Governance Register.

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