Public sector supplier

John Sisk and Son Limited public sector contracts

John Sisk and Son Limited appears as a named supplier on 15 UK public sector contracts awarded since 2021.

2 of those were awarded in the last twelve months.

Its most frequent public sector customer is Leeds City Council, with 4 contracts, and it has supplied 11 buying organisations in total.

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2
Contracts, last 12 months
15
Contracts since 2021
11
Public sector buyers
£9.0m
Median contract won outright
3
Expiring in 18 months

These figures count published award notices from January 2021 onward, the point at which this database begins, and are comprehensive only from 2023. Contracts awarded before then, and any work not published as a public award notice, do not appear. This is a record of published contracts, not of turnover. Most recent award recorded 15 Sept 2026.

Coming up for renewal

3 contracts expiring in the next 18 months

Each of these is a contract John Sisk and Son Limited currently holds with an end date already published. If you compete with them, this is where the openings are. If you are the buyer, it is your renewal diary.

Overview

Most of that work falls under construction works.

7 of these were awarded to it as the only named supplier; the remaining 8 are contracts shared with other suppliers, typically a place on a framework rather than work awarded outright.

Among the contracts it won outright where a value was published, the median is £9.0m.

3 of its contracts are due to end within the next eighteen months.

Contracts won per quarter

Q1 254Q3 251Q1 261Q3 261

Recent activity

Latest contracts won

ContractBuyerValueAwarded
National Framework for Civil Engineering, Infrastructure and Enabling Works 2026YPONot stated(shared, 109 suppliers)15 Sept 2026
Legacy Concrete Roads Reconstruction FrameworkNational Highways Limited£968.0m(shared, 3 suppliers)9 Feb 2026
Transport for West Midlands (TfWM) Bus Priority ProgrammeWest Midlands Combined Authority£4.6m31 Jul 2025
Birchley Island Improvement SchemeSANDWELL METROPOLITAN BOROUGH COUNCIL£12.0m26 Feb 2025
Principal Supply Chain Partner (PSCP) for Evelina PTCGuy's and St Thomas' NHS Foundation Trust£67.8m25 Feb 2025
Civil Engineering and Infrastructure WorksTHE ASSOCIATION OF NORTH EAST COUNCILS LIMITED£1.0bn(shared, 34 suppliers)20 Feb 2025
Swinnow Park, Racecourse Approach, WetherbyLeeds City Council£3.8m29 Jan 2025
Calverley Lane FootbridgeLeeds City Council£9.0m21 Aug 2024
Dawsons Corner / Stanningley Bypass Junction ImprovementLeeds City Council£13.3m21 Feb 2024
National Contractor FrameworkAlder Hey Children's NHS Foundation Trust£8.0bn(shared, 87 suppliers)8 Aug 2023
A511 Major Route Network Pre-Main WorksLeicestershire County Council£268k8 Nov 2022
Engineering Delivery FrameworkDefra Network eTendering PortalNot stated(shared, 25 suppliers)21 Sept 2022
Intermediate Works Contractor FrameworkLeeds City Council£90.0m(shared, 4 suppliers)25 Aug 2022
Medium Schemes Framework 4 (MSF4) on behalf of Midlands Highway Alliance Plus (MHA+)Leicestershire County Council£1.0m(shared, 4 suppliers)20 Jun 2022
Concrete Roads Programme - Reconstruction Works FrameworkHighways England£218.0m(shared, 2 suppliers)16 Feb 2021

Where a contract names more than one supplier it is usually a framework. The published value is the ceiling for the whole framework, shared by everyone on it, not the amount awarded to John Sisk and Son Limited.

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Common questions

John Sisk and Son Limited, in short

Which public sector organisations does John Sisk and Son Limited supply?

Across 15 contracts recorded since 2021, John Sisk and Son Limited has supplied 11 UK public sector buyers. The most frequent are Leeds City Council (4 contracts), Leicestershire County Council (2 contracts), YPO (1 contracts).

What does John Sisk and Son Limited supply to the public sector?

Its contracts fall mainly under construction works. Categories are derived from the CPV codes published on each award notice.

How many public sector contracts has John Sisk and Son Limited won?

15 since 2021, of which 7 were awarded to it as the only named supplier and 8 are shared with other suppliers, usually a place on a framework. This counts award notices published to Find a Tender and Contracts Finder, so it is a record of published awards rather than of total revenue.

When do John Sisk and Son Limited contracts come up for renewal?

3 contracts held by John Sisk and Son Limited have an end date within the next 18 months, the earliest on 31 Oct 2026. End dates are published in the original award notices, so they are visible well before any re-tender is advertised.

Where does this information about John Sisk and Son Limited come from?

From contract award notices published by the buyers themselves to Find a Tender and Contracts Finder under the Open Government Licence. Coverage starts in 2021 and is comprehensive from 2023, so contracts awarded before then, and any award not published to those portals, will not appear.

Contract data on this page is sourced from Find a Tender and Contracts Finder and published under the Open Government Licence v3.0. Contains public sector information licensed under that licence. Figures cover contract award notices published from January 2021 onward, with comprehensive coverage from 2023. Earlier contracts, and any award not published to Find a Tender or Contracts Finder, will not appear. This page describes contracts published by public bodies and is not affiliated with John Sisk and Son Limited.

How to cite this data

Tender Radar (2026) John Sisk and Son Limited public sector contracts [Dataset]. Professor AI. Available at: https://tender-radar.co.uk/suppliers/john-sisk-son-limited (Accessed: 7 October 2026).

The figures change as notices are published, so the citation carries the date you read them.