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Hoogheemraadschap van Rijnland

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NL21 notices6 awards recorded11 open now€27.8M awarded (where disclosed)

History from 2026-05-04 to 2026-07-01. Every number below is a fact from TED/TenderNed notices — who this buyer awards to, what it buys, and what is open right now.

Who wins here

FirmWinsAwardedLast win
Atalian B.V. · KvK 060655371€4.7M2026-06-30
Xylem Water Solutions Nederland B.V. · KvK 230463651€2.5M2026-06-17
Rions Zoetermeer B.V. · KvK 954477921€1.4M2026-06-09
Four Digits B.V. · KvK 091621371€550k2026-05-05
Tijhuis Ingenieurs B.V. · KvK 371100871€430k2026-06-29
J. Jonker en Zonen | Aannemingsbedrijf Vermeulen Benthuizen B.V. · KvK 2802332912026-06-19

What they buy

CategoryNoticesOpenLatest
45 Construction work642026-06-08
90 Sewage, refuse, cleaning & environmental512026-06-30
72 IT services: consulting, software, internet412026-06-25
24 Chemical products332026-06-17
64 Postal & telecommunications services222026-06-18
71 Architecture, engineering & inspection212026-06-29
50 Repair & maintenance services112026-07-01
42 Industrial machinery112026-07-01
77 Agricultural, forestry & horticultural services102026-05-05
33 Medical equipment & pharmaceuticals102026-06-30

Recurring categories with no open notice are re-tender candidates — this buyer has bought them before and will again.

Recent notices

PublishedTitleOutcomeAwarded
2026-07-01UTV - Raamovereenkomst Pompen (DIG-18774)cn-standard
2026-06-30Schoonmaakdienstverlening, glasbewassing en sanitaire voorzieningen (DIG-16907)won by Atalian B.V.€4,680,000
2026-06-29Adviesdiensten Baggeren Regulier 2026 (DIG-17863)won by Tijhuis Ingenieurs B.V.€430,157
2026-06-25UTV - Drones detecteren Waternavel (DIG-18515)cn-standard
2026-06-19UTV - Overbrugging Verwijderen Exotische Waterplanten 2026 (DIG-18733)won by J. Jonker en Zonen | Aannemingsbedrijf Vermeulen Benthuizen B.V.
2026-06-18I&D Persoonsgebonden Telefonie (DIG-18628)Aankondiging opdracht
2026-06-18I&D Persoonsgebonden Telefonie (DIG-18628)cn-standard
2026-06-17UTV - Polyelektroliet Slibontwateringsinstallaties en Slibindikkingsinstallaties (DIG-17883)cn-standard
2026-06-17ICT adviesdiensten 2026 - 2030 (DIG-17692)can-standard€2,000,000
2026-06-17Advanced Monitoring & Control (DIG-16891)won by Xylem Water Solutions Nederland B.V.€2,466,608
2026-06-16UTV - Polyelektroliet Slibontwateringsinstallaties en Slibindikkingsinstallaties (DIG-17883)Rectificatie
2026-06-09Industrieel Reinigen (DIG-17838)won by Rions Zoetermeer B.V.€1,394,675
2026-06-08PRJ - Luwtedammen Braassemermeer (DIG-18419)cn-standard
2026-06-06PRJ - Luwtedammen Braassemermeer (DIG-18419)Aankondiging opdracht
2026-05-20UTV - Polyelektroliet Slibontwateringsinstallaties en Slibindikkingsinstallaties (DIG-17883)cn-standard
2026-05-12PJ - Renovatie AWZI Leiden (DIG-18615)cn-standard
2026-05-11PJ - Renovatie AWZI Leiden (DIG-18615)Rectificatie
2026-05-05PJ - Renovatie AWZI Leiden (DIG-18615)cn-standard
2026-05-05Technisch beheer en hosting websites HHR en HHSK (DIG-17638)won by Four Digits B.V.€550,000
2026-05-05Verwijderen Exotische Waterplanten 2026-2030 (DIG-17972)can-standard
2026-05-04Keringen 2026 – 2030 (DIG-17662)can-standard€16,300,000