Supplier · Large organisation

Integrated Water Services Limited

Integrated Water Services Limited has won 35 UK public contracts worth £429m since 22 Jan 2021. See its competitors in architecture & engineering.

Company 05283349Companies House recordBased in West MidlandsFirst contract 22 Jan 2021Latest contract 6 Jul 2026

Also published as Integrated Water Service, Integrated Water Services Ltd (IWS). These are the same company (05283349), so their contracts are counted together.

Contracts
35
Published value
£429mwhere stated
Without competition
6%2 contracts
Won by SMEs
56%of 34 with size known
Contracts won per month, last 24 months 18 contracts · busiest month January 2025

Biggest customers

  1. Espo 4 contracts · £20m
  2. LHC Procurement Group Limited 2 contracts · £220m
  3. South East Consortium 2 contracts · £35m
  4. Hull City Council 2 contracts · £1.03m
  5. Wessex Water Services Ltd 2 contracts · —
  6. Wolverhampton City Council 1 contract · £1.8m
  7. Southern Water Services Ltd. 1 contract · £1.48m

What they supply

  1. Architecture & engineering 13 contracts · £245m
  2. Construction work 8 contracts · £1.69m
  3. Waste, cleaning & environmental 4 contracts · £95.5m
  4. Industrial machinery 2 contracts · £25m
  5. Laboratory & precision equipment 2 contracts · £25m
  6. Chemicals 2 contracts · £15.1m
  7. Business services 1 contract · £140k
  8. Construction materials 1 contract · £20m

Competitors in architecture & engineering

Sector overview
  1. WSP UK Limited 207 contracts · £1.74bn
  2. Aecom Limited 190 contracts · £2.43bn
  3. Ridge and Partners LLP 184 contracts · £2.11bn
  4. Atkinsrealis UK Limited 157 contracts · £1.55bn
  5. Ove Arup & Partners Limited 131 contracts · £1.61bn
  6. Arcadis Consulting (UK) Ltd 119 contracts · £1.29bn

These are the suppliers with the most architecture & engineering contracts in the last two years, which is where Integrated Water Services Limited wins most of its work. They are not necessarily bidding for the same contracts. See the whole sector.

All contracts won by Integrated Water Services Limited

Contracts won by Integrated Water Services Limited
Date Contract Buyer Value
6 Jul 2026 Scottish Police Authority £500k
11 Nov 2025 Places for People Group Limited £49,010
30 Oct 2025 Wolverhampton City Council £1.8m
1 Oct 2025 Westworks Procurement Limited £39,400
24 Sep 2025 Wessex Water Services Ltd —
16 Sep 2025 Portsmouth Water Limited —
23 Jun 2025 Southern Water Services Ltd. £1.48m
18 Jun 2025 Hull City Council —
18 Jun 2025 Hull City Council £1.03m
31 May 2025 Castle Point Borough Council £105k
12 May 2025 Karbon Homes £300k
3 Apr 2025 Wessex Water Services Ltd —
20 Jan 2025 Espo £3m
20 Jan 2025 Espo £3m
20 Jan 2025 Espo £4m
20 Jan 2025 Espo £10m
9 Jan 2025 Rugby Borough Council £140k
10 Dec 2024 Hampshire County Council £350k
8 Aug 2024 South East Consortium £15m
8 May 2024 Northumbrian Water Group Limited —
18 Apr 2024 Northern Housing Consortium Limited £15m
18 Apr 2024 Northern Housing Consortium Limited £30m
18 Apr 2024 Northern Housing Consortium Limited £50m
9 Jan 2024 South East Consortium £20m
29 Nov 2023 Newcastle City Council £1.3m
19 Sep 2023 Durham County Council £1.4m
4 Sep 2023 LHC Procurement Group Limited £110m
4 Sep 2023 LHC Procurement Group Limited £110m
31 Aug 2023 LHC Procurement Group for the Scottish Procurement Alliance (SPA) £15m
31 Aug 2023 LHC Procurement Group for the Scottish Procurement Alliance (SPA) £15m
31 Aug 2023 LHC Procurement Group for the Welsh Procurement Alliance (WPA) £10m
31 Aug 2023 LHC Procurement Group for the Welsh Procurement Alliance (WPA) £10m
1 Jun 2023 The Cambridge Housing Society Limited £144k
19 Feb 2021 Wessex Water —
22 Jan 2021 Home Group £1

Contracts are matched to this supplier by company name as published in each notice. If a company appears under slightly different names, some of its contracts may be listed separately. How matching works.