Buyers
Southern Water Services Limited
Southern Water Services Limited awarded 26 contracts between 5 September 2025 and 6 October 2026, to 94 different suppliers. The most common categories were Cleaning, waste & environmental (8 awards), then Surveying, architecture & engineering (6), then Business & professional services (4). Where a value was stated (22 awards), the median was £2.8m. 6 of those contracts are due to end in the next 12 months, and it has 1 tender open to bid now.
Taken from Find a Tender and Contracts Finder contract award notices published between 5 Sept 2025 to 6 Oct 2026. Every row links to the original notice.
- Contracts awarded26
- Period covered5 Sept 2025 to 6 Oct 2026
- Distinct suppliers94
- Contract valuesMedian £2.8m across the 22 awards that state a value
- Suppliers named15 of 26 awards
Open to bid now
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Small-firm friendlyFramework
Marketing & Communications - Dynamic Market Intention
Southern Water is establishing a dynamic market framework for marketing, communications, digital, branding, reporting and stakeholder engagement services. The work is split into 7 lots covering different service areas.
What they buy
- Cleaning, waste & environmental 8 awards
- Surveying, architecture & engineering 6 awards
- Business & professional services 4 awards
- IT, software & telecoms 4 awards
- Energy, fuel & utilities 3 awards
- Furniture, equipment & supplies 3 awards
Contracts awarded
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Hydraulic Model Verification
6 Oct 2026 · £1.4m · ends 30 Apr 2027Awarded to Hydraulic Analysis Limited
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Isle of Wight Water Recycling Plant Biodiversity Net Gain
1 Oct 2026 · £2.5m · ends 31 Mar 2027Supplier not named in a form we publish
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prj_7119 - Natural Gas Supply (Non-domestic)
16 Sept 2026 · £3.6m · ends 31 Mar 2030Awarded to Brook Green Supply Limited
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prj_6010 - Telemetry Framework Lots 5a, 5b and 5c
15 Sept 2026Supplier not named in a form we publish
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Hire of primary treatment equipment (lamella)
11 Sept 2026 · £1.6m · ends 2 Sept 2027Awarded to SILTBUSTER LIMITED
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Standpipes Hire
12 Aug 2026 · £3.6m · ends 9 Aug 2030Awarded to AQUAM water services Ltd
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Purchase of Biodiversity Performance Commitment (BPC) Units
5 Aug 2026 · £593k · ends 17 Aug 2056Awarded to Aspect Nature Reserve Limited
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Customer Research Services Framework
4 Aug 2026 · £5.4m · ends 23 Aug 2030Awarded to ACCENT MARKETING AND RESEARCH LIMITED, EXPLAIN MARKET RESEARCH LIMITED, I C S CONSULTING LIMITED, IMPACT RESEARCH LTD, THINKS INSIGHT AND STRATEGY (BRITAIN THINKS) LIMITED, RED C RESEARCH LTD, Turquoise Thinking Ltd, DJS Research Ltd
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Business Management Consultancy
14 Jul 2026 · £65m · ends 2 Aug 2034Awarded to PA Consulting Services Limited, ATKINSRÃALIS UK LIMITED, Stantec UK Ltd, MOTT MACDONALD LIMITED, AECOM LIMITED, ARCADIS CONSULTING (UK) LIMITED, Capita Business Services, NERA UK LIMITED, Efficio Ltd, 4C ASSOCIATES LIMITED, LONG O DONNELL ASSOCIATES LIMITED, 1ST EXECUTIVE LIMITED, ACCENTURE (UK) LIMITED, ROWSELL WRIGHT LIMITED, Qasr Limited, ECONOMIC INSIGHT LIMITED, PROCUR3D CONSULTING LTD, DEECON CONSULTING LIMITED, TURNER & TOWNSEND INFRASTRUCTURE LIMITED, Cumming Group Infrastructure Limitede, ROSEMAE PROCUREMENT LIMITED, Allora Infrastructure Limited, EDGE ECONOMIC CONSULTING LTD, Ernst & Young LLP, Baringa Partners LLP, PricewaterhouseCoopers LLP, Gardiner & Theobald, FORVIS MAZARS LLP, CEPA LLP, ALVAREZ & MARSAL TAX LLP, FTI CONSULTING LLP, OXERA CONSULTING LLP, GLEEDS LLP, GRANT THORNTON UK ADVISORY & TAX LLP
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Habitats Regulations Assessment (HRA) Solent Waders & Brent Geese site mitigation
3 Jul 2026 · £1.6m · ends 12 Jul 2056Awarded to Wild Capital 1 LTD
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Low Voltage Monitoring
3 Jul 2026 · £940k · ends 15 Jul 2027Awarded to EA Technology Ltd
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prj_8252 - Andover Link Main - BNG
26 Jun 2026 · £2.1m · ends 9 Apr 2028Supplier not named in a form we publish
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Collection & Recovery Services
9 Jun 2026 · £20m · ends 23 Nov 2030Awarded to ADVANTIS CREDIT LIMITED, PHILLIPS & COHEN ASSOCIATES (UK) LIMITED, UK SEARCH LIMITED, ORBIT CREDIT SERVICES LIMITED, CONEXUS RECOVERY & FIELD SERVICES LIMITED
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CENTAUR for CSO Spill and Water Quality Compliance – Phase 2
4 Jun 2026 · £663k · ends 20 Jun 2028Awarded to Cura Terrae Water Limited
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PA23 Direct Award - THP Maintenance (Goddards Green)
8 May 2026 · £1.0m · ends 14 May 2027Awarded to PBJ ENGINEERING SERVICE LTD
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Scaffolding Tender (Southern Water)
17 Mar 2026 · £53m · ends 30 Jun 2030Supplier not named in a form we publish
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Procurement of a Framework Agreement for Household and Non-Household Water Efficiency Audits, Retrofitting Services and Customer Engagement Services
20 Feb 2026 · £3.3m · ends 5 Mar 2030Supplier not named in a form we publish
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Prj_7030 Minor Civils
9 Feb 2026 · £72m · ends 12 Mar 2030Awarded to C J THORNE & CO LIMITED, G & L ENVIRONMENTAL LTD, AAA BUILDING AND CIVIL ENGINEERS LIMITED, D R CLARK SERVICES LLP
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PA23 - UK5 - Transparency Notice Emerging Contaminants
22 Dec 2025 · £2.0m · ends 22 Dec 2026Supplier not named in a form we publish
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Speciality Chemicals & Fuels
24 Nov 2025Supplier not named in a form we publish
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Source to Pay Software Solution (
20 Nov 2025 · £2.8m · ends 3 Dec 2029Awarded to Coupa Software Inc, PARADE CONSULTING LIMITED
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PA23 - UK4 - Tender Notice
7 Nov 2025 · £11m · ends 1 Dec 2029Supplier not named in a form we publish
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prj_7372 Wastewater Networks Optimisation Tender
20 Oct 2025 · £9.0m · ends 1 Nov 2028Awarded to Flow Management Solutions Ltd
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PA23 - UK4 - Tender Notice
1 Oct 2025 · £376k · ends 13 Oct 2029Supplier not named in a form we publish
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Southern Water S&I - Site Information & Conditional Surveys Framework
12 Sept 2025Supplier not named in a form we publish
Supplier names are published only where the notice carries a Companies House number, so sole traders and named individuals are not listed. Figures are counts from the published notices and nothing is inferred. To correct or remove something, email hello@bidwire.co.uk.