Tenders / Buyers / Netherlands
Stichting Waternet: public contracts and tenders
Stichting Waternet awarded 48 public contracts worth €39.4M where a value is stated since 2023-11-06; the IT services contract held by Sogeti Nederland B.V. ends on 2026-11-01 (signed + duration). Source: Arcadium Data, data as of .
Awarded value = the award values the notices state (EUR at the notice date), 15 of 48 awards; framework agreements (a ceiling, not spend) and implausible values are left out.
Buyer
| Field | Value |
|---|---|
| Name | Stichting Waternet |
| Country | Netherlands |
| Buyer type | Body governed by public law |
| City | Amsterdam |
| Sources | EU TED |
Top suppliers
| Supplier | Registry number | Website | Awards | Value won alone |
|---|---|---|---|---|
| ON2IT B.V. | 11062209 KvK (NL) | on2it.net | 1 | €1.5M |
| Metaalbewerkingsbedrijf E. Out B.V. | outmetaal.nl | 1 | €1.0M | |
| thalesgroup.com | 319159877 INSEE SIRENE (FR) | thalesgroup.com | 1 | €10.0M |
| Alma Resources B.V. | 1 | n/a | ||
| CareerValue | 1 | n/a | ||
| De Staffing Groep Nederland B.V. | 1 | €70.0M | ||
| Driessen B.V. | 1 | n/a | ||
| Ferranti Computer Systems N.V. | 1 | €1.0M | ||
| Gartner Nederland B.V. | 1 | €700k | ||
| Gemba Service B.V. | 1 | €4.8M | ||
| Harvey Nash B.V. | 1 | n/a | ||
| IP Parking B.V. | 1 | n/a | ||
| JS Consultancy Detachering B.V. | 1 | n/a | ||
| Koninklijke Kampert en Helm Rotaform B.V. | 1 | €7.3M | ||
| Landelijke Associatie Van Gerechtsdeurwaarders B.V. | 1 | €5.3M |
Suppliers named on Stichting Waternet's award notices (the top 15 of 25); registry number and website where the supplier is linked to its register entry. Winners that could be a private person are withheld.
Contracts ending in the next 18 months
| Ends | Contract | Current holder | Value | End date basis |
|---|---|---|---|---|
| 2026-11-01 | Preferred Suppliers IT (framework) | Sogeti Nederland B.V., PQR B.V. | n/a | signed + duration |
| 2027-07-15 | Planning, Opmaak en Verzending van Klantuitingen | Koninklijke Kampert en Helm Rotaform B.V. | €7.3M | end date stated |
| 2027-12-31 | Incassodienstverlening Drinkwaterfacturen (framework) | n/a | end date stated | |
| 2027-12-31 | Waternet - Elektriciteit 2025-2027 met 3 optiejaren | Vattenfall Sales Nederland N.V. | €9.8M | end date stated |
| 2028-01-15 | Incassodienstverlening omtrent drinkwaterfacturen (framework) | Landelijke Associatie Van Gerechtsdeurwaarders B.V. | n/a | end date stated |
End dates checked against the official notice: 99% right (n=100, 95% CI 94%-100%, 2026-10-26; method).
Award notices of Stichting Waternet whose contract period ends in the next 18 months: the end date the notice states, else its start or signature date plus the stated duration. 5 contracts; a framework's value is a ceiling and is not shown.
Open calls for tender
| Deadline | Call for tender | Published | Estimated value |
|---|---|---|---|
| 2026-11-02 | Chauffeursdiensten | 2026-09-02 | €1.6M |
| 2026-11-02 | Telemetrische grondwaterstandsmonitoring AGV 2027-2034 | 2026-09-24 | €1.3M |
| 2026-11-09 | Realisatie aanvullende zuiveringsstap en laagspanningsinstallatie RWZI Uithoorn | 2026-09-02 | €14.8M |
| 2026-11-18 | Aanbesteding Autolease Stichting Watermaatschappij Amsterdam (Drinkwater en ARW) | 2026-09-25 | €38.0M |
| 2026-11-20 | Civieltechnische werkzaamheden Waterschap AGV -Meerjarig onderhoud bestratingen | 2026-10-12 | €1.1M |
| 2026-11-30 | Reinigen en inspecteren regen- en vuilwaterriolen, zinkers en WWU routes. Ledigen van Kolken en putten | 2026-09-29 | €42.0M |
| 2026-11-30 | Inspecteren, onderhouden en reviseren van voortstuwers, mengers en recirculatiepompen AGV | 2026-10-21 | €1.3M |
| 2026-12-01 | Visstandbeheer Loosdrechtse Plassengebied | 2026-10-05 | €6.0M |
| 2026-12-04 | Adviesdiensten m.b.t. ontvlechting Gemeenschappelijke Diensten Waternet | 2026-10-20 | €8.0M |
| 2026-12-11 | Ingenieursdiensten RWZI Huizen-Blaricum | 2026-10-05 | €4.0M |
Calls with a deadline of 2026-10-26 or later (not awarded yet).
Spend by sector (CPV divisions)
| Sector | CPV | Awards | Awarded value |
|---|---|---|---|
| IT services | 72 | 6 | €52.1M |
| Business services | 79 | 4 | €80.3M |
| Repair and maintenance services | 50 | 3 | €14.3M |
| Fuel and energy | 09 | 1 | €9.8M |
| Printed matter | 22 | 1 | €7.3M |
| Industrial machinery | 42 | 1 | €3.0M |
| Architecture and engineering services | 71 | 1 | €1.5M |
| Education and training | 80 | 1 | €6.0M |
| Other community and personal services | 98 | 1 | n/a |
Award notices with a named winner, by the main CPV code; value = the total the notices state, in EUR at the notice date; framework agreements (a ceiling, not spend) and implausible values are left out.
Recent awards
| Published | Contract | Winners | Value |
|---|---|---|---|
| 2026-06-30 | Betonreparatie en -bescherming (Drinkwater + Stichting Waternet) | SealteQ Ivacon B.V. | €2.4M |
| 2026-06-17 | Onderhoud Staalconstructies en Metaalwaren (Drinkwater + Waternet) | Metaalbewerkingsbedrijf E. Out B.V. | €1.0M |
| 2026-06-05 | Incassodienstverlening omtrent drinkwaterfacturen | Landelijke Associatie Van Gerechtsdeurwaarders B.V. | €5.3M |
| 2026-05-27 | Levering Schroefpersen | MTI-Engineering B.V. | €3.0M |
| 2026-01-13 | Publicatie gunningen van mini-competities DAS Externe inzet Waternet (Q4-2025) | nvt | n/a |
| 2025-12-29 | Opleidingsintermediair voor het coördineren en leveren van opleidingen en trainingen | MyCademy Holding B.V. | €6.0M |
| 2025-11-28 | Werving en selectie | CareerValue, Star Apple Interim B.V., Alma Resources B.V. | €5.0M |
| 2025-11-24 | Preferred Suppliers IT | Sogeti Nederland B.V., PQR B.V. | €34.1M |
| 2025-08-08 | Specialistische advies- en programmeerdiensten | Ferranti Computer Systems N.V. | €1.0M |
| 2025-08-08 | Partner IBM Maximo | Gemba Service B.V. | €4.8M |
Follow this buyer free
Get Stichting Waternet's new calls for tender, awards and contracts ending in a free weekly email (Tender Radar free tier: a saved search for this buyer's name in Netherlands). The same data is in the REST API and the MCP server.
Sources: EU TED, read through their open-data feeds without logging in. Buyer = contracting authority as named on the notice; notices are grouped by the normalised name and country.
Source: Arcadium Data tenders database, 3,611,641 official public procurement notices from EU TED and UK Find a Tender, read through their open-data APIs (no logins). Winners that could be a private person (sole traders) are withheld; buyers are public bodies. Data as of 2026-10-26.
Questions
How many public contracts has Stichting Waternet awarded?
Stichting Waternet published 48 contract award notices between 2023-11-06 and 2026-06-30; the 15 that state a value add up to €39.4M (official notices, as of 2026-10-26).
Who are Stichting Waternet's biggest suppliers?
By contract awards: ON2IT B.V. (1), Metaalbewerkingsbedrijf E. Out B.V. (1) and thalesgroup.com (1) (as of 2026-10-26). Winners that could be a private person are not named.
Which Stichting Waternet contracts end soon?
5 contracts awarded by Stichting Waternet end in the next 18 months. The soonest with a named holder is the IT services contract held by Sogeti Nederland B.V., ending on 2026-11-01 (signed + duration) (as of 2026-10-26).
Does Stichting Waternet have open tenders now?
Yes: 10 calls for tender from Stichting Waternet are open today (deadline 2026-10-26 or later) (as of 2026-10-26).
What does Stichting Waternet buy?
Most of Stichting Waternet's awards are in IT services (CPV 72) (6), Business services (CPV 79) (4) and Repair and maintenance services (CPV 50) (3) (as of 2026-10-26).
Cite as: Arcadium Data, "Stichting Waternet tenders and contracts: 48 awards, suppliers, contracts ending", https://arcadiumdata.io/tenders/buyers/stichting-waternet-nl/, data as of 2026-10-26.