Source: https://tendernation.io/suppliers/o-seaman-and-son

Supplier profile

# O Seaman & Son Ltd

Public sector contracts won, from published award notices

SME [Companies House 01237050](https://find-and-update.company-information.service.gov.uk/company/01237050)

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Contracts won

11

since 3 May 2011

Total awarded

£8,753,658

where values were published

Buyers

6

public bodies

Latest win

21 Sept 2026

##  Contracts ending soon

Contracts ending in the next 18 months. Buyers usually re-tender before the end date, so these are openings for competitors.

- [WSFT - Works - Theatre 7 & 9](https://tendernation.io/opportunities/01a13be3-d0e9-70a9-9c20-c5aacb5d5edf/wsft-works-theatre-7-9) [West Suffolk NHS Foundation Trust](https://tendernation.io/buyers/west-suffolk-nhs-foundation-trust)

    £1,203,658

    Ends 17 Feb 2027
- [Broadland Development Services Homes for the Future Main Contractor Framework](https://tendernation.io/opportunities/01a13bcb-6eb5-72a9-b911-c591ce3e965e/broadland-development-services-homes-for-the-future-main-contractor-framework) [Broadland Development Services Limited](https://tendernation.io/buyers/broadland-development-services-limited)

    Value not counted: framework or estimated ceiling

    Ends 30 Jun 2027

##  Recent contract awards

- [Minor Works (661)](https://tendernation.io/opportunities/01a13bdb-0b01-7058-aeb8-1a249f81969e/minor-works-661) [Babergh District Council](https://tendernation.io/buyers/babergh-district-council)

    £5,750,000

    21 Sept 2026
- [Minor Works](https://tendernation.io/opportunities/01a13bdc-78ac-710e-bcf4-29484ca418bf/minor-works) [Babergh District Council](https://tendernation.io/buyers/babergh-district-council)

    £1,800,000

    21 Apr 2026
- [WSFT - Works - Theatre 7 & 9](https://tendernation.io/opportunities/01a13be3-d0e9-70a9-9c20-c5aacb5d5edf/wsft-works-theatre-7-9) [West Suffolk NHS Foundation Trust](https://tendernation.io/buyers/west-suffolk-nhs-foundation-trust)

    £1,203,658

    18 Feb 2026
- [Broadland Development Services Homes for the Future Main Contractor Framework](https://tendernation.io/opportunities/01a13bcb-6eb5-72a9-b911-c591ce3e965e/broadland-development-services-homes-for-the-future-main-contractor-framework) [Broadland Development Services Limited](https://tendernation.io/buyers/broadland-development-services-limited)

    Value not counted: framework or estimated ceiling

    9 Feb 2026
- [Broadland Development Services Homes for the Future Main Contractor Framework](https://tendernation.io/opportunities/01a13d23-92e9-72a4-9741-b160f12fc74a/broadland-development-services-homes-for-the-future-main-contractor-framework) [Broadland Development Services Limited](https://tendernation.io/buyers/broadland-development-services-limited)

    Value not counted: framework or estimated ceiling

    9 Feb 2026
- [Essex Construction Framework 2](https://tendernation.io/opportunities/01a13c4d-3521-7397-be28-74353a155c6b/essex-construction-framework-2) [Essex County Council](https://tendernation.io/buyers/essex-county-council)

    Value not counted: framework or estimated ceiling

    28 Feb 2020
- [Essex Construction Framework 2](http://ted.europa.eu/udl?uri=TED:NOTICE:151927-2020:TEXT:EN:HTML) [Essex County Council](https://tendernation.io/buyers/essex-county-council)

    Value not counted: framework or estimated ceiling

    3 Apr 2019
- [Minor works contract for West Suffolk NHS Foundation Trust](https://tendernation.io/opportunities/01a13c0d-809b-7012-8d1a-112aeaa53fcd/ca3664-minor-works-contract-for-west-suffolk-nhs-foundation-trust) [West Suffolk NHS Foundation Trust](https://tendernation.io/buyers/west-suffolk-nhs-foundation-trust)

    up to £450,000 (notice estimate)

    5 Apr 2017
- [Essex Construction Framework Lot 1 Award](https://tendernation.io/opportunities/01a13bf9-ec1f-7118-95bc-e19d09427a3e/essex-construction-framework-lot-1-award) [Essex County Council](https://tendernation.io/buyers/essex-county-council)

    Value not published

    1 Mar 2016
- [Essex Construction Framework.](http://ted.europa.eu/udl?uri=TED:NOTICE:109801-2016:TEXT:EN:HTML) [As defined in section VI.3)](https://tendernation.io/buyers/as-defined-in-section-vi3)

    Value not counted: framework or estimated ceiling

    13 May 2015
- [Property construction framework.](http://ted.europa.eu/udl?uri=TED:NOTICE:280636-2011:TEXT:EN:HTML) [Suffolk County Council](https://tendernation.io/buyers/suffolk-county-council)

    up to £80,000,000 (notice estimate)

    3 May 2011

## Companies House

Status

Active

Incorporated

10 Dec 1975 (50 yrs)

Accounts

Full

Industry

Development of building projects

[View filing history](https://find-and-update.company-information.service.gov.uk/company/01237050)

## Who they win from

- [Essex County Council 3 wins](https://tendernation.io/buyers/essex-county-council)
- [Babergh District Council 2 wins](https://tendernation.io/buyers/babergh-district-council)
- [West Suffolk NHS Foundation Trust 2 wins](https://tendernation.io/buyers/west-suffolk-nhs-foundation-trust)
- [Broadland Development Services Limited 2 wins](https://tendernation.io/buyers/broadland-development-services-limited)
- [As defined in section VI.3) 1 win](https://tendernation.io/buyers/as-defined-in-section-vi3)
- [Suffolk County Council 1 win](https://tendernation.io/buyers/suffolk-county-council)

## Latest accounts

Profit or loss

£737,726

Net assets

£1,981,412

Cash

£1,585,331

Employees

64

Year to 31 Mar 2025, from accounts filed at Companies House.

## Bids named on award notices

Bid for 4 contracts: won 4, lost 0.

Award notices have listed every bidder only since the Procurement Act (February 2025).

## Paid by (last 12 months)

- [Mid Suffolk District Council](https://tendernation.io/buyers/mid-suffolk-district-council) £7,775

From councils' published spending over £500.

## What they win

- [Construction work](https://tendernation.io/sectors/construction-work) 8
- [Construction materials & structures](https://tendernation.io/sectors/construction-materials) 1

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