Tenders / Buyers / Netherlands
Belastingsamenwerking Gouwe-Rijnland: public contracts and tenders
Belastingsamenwerking Gouwe-Rijnland awarded 16 public contracts worth €4.5M where a value is stated since 2016-03-03; the IT services contract held by KPN B.V. ends on 2027-12-01 (end date stated). Source: Arcadium Data, data as of .
Awarded value = the award values the notices state (EUR at the notice date), 8 of 16 awards; framework agreements (a ceiling, not spend) and implausible values are left out.
Buyer
| Field | Value |
|---|---|
| Name | Belastingsamenwerking Gouwe-Rijnland |
| Country | Netherlands |
| Buyer type | Body governed by public law |
| City | LEIDEN |
| Sources | TenderNed (Netherlands), EU TED |
Top suppliers
| Supplier | Registry number | Website | Awards | Value won alone |
|---|---|---|---|---|
| Involon | 3 | n/a | ||
| Thorbecke | 3 | n/a | ||
| Enginear B.V, | 2 | n/a | ||
| Jetmail B.V. | 2 | €2.6M | ||
| Kondar Overheid B.V. | 2 | n/a | ||
| TOG Nederland Midden West BV | 2 | €210k | ||
| TOG Nederland Zuid B.V. | 2 | n/a | ||
| Centric Netherlands BV | 1 | n/a | ||
| Cyclomedia Technology B.V. | 1 | €325k | ||
| Delta Quest It Solutions B.V. | 1 | n/a | ||
| GOM Schoonhouden BV | 1 | €143k | ||
| ING Bank N.V, | 1 | n/a | ||
| Interlincq | 1 | n/a |
Suppliers named on Belastingsamenwerking Gouwe-Rijnland's award notices; 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 |
|---|---|---|---|---|
| 2027-12-01 | 'ICT-infrastructuur, ICT-werkplekken (hardware en software), hosting en dienstverlening' | KPN B.V. | n/a | end date stated |
| 2028-01-01 | Uitbreiding van Opdracht voor ICT-infrastructuur, ICT-werkplekken (hardware en software), hosting en dienstve… | KPN | €480k | signed + duration |
End dates checked against the official notice: 99% right (n=100, 95% CI 94%-100%, 2026-10-26; method).
Award notices of Belastingsamenwerking Gouwe-Rijnland 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. 2 contracts; a framework's value is a ceiling and is not shown.
Open calls for tender
| Deadline | Call for tender | Published | Estimated value |
|---|---|---|---|
| 2026-11-16 | Outsourcing ICT | 2026-10-16 | €11.0M |
| 2026-12-09 | WOZ Waarderingsapplicatie | 2026-10-20 | €6.2M |
| 2026-12-31 | Instellen Dynamisch aankoop systeem | 2022-12-30 | n/a |
Calls with a deadline of 2026-10-27 or later (not awarded yet).
Spend by sector (CPV divisions)
| Sector | CPV | Awards | Awarded value |
|---|---|---|---|
| Business services | 79 | 6 | €3.0M |
| IT services | 72 | 4 | €480k |
| Software packages and information systems | 48 | 1 | €325k |
| Postal and telecom services | 64 | 1 | €250k |
| Financial and insurance services | 66 | 1 | n/a |
| Real estate services | 70 | 1 | €210k |
| Waste, cleaning and environmental services | 90 | 1 | €143k |
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
Follow this buyer free
Get Belastingsamenwerking Gouwe-Rijnland'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: TenderNed (Netherlands), 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, 3,811,022 official public procurement notices from EU TED, UK Find a Tender, UK Contracts Finder and national procurement boards, read through their open-data services (no logins). Winners that could be a private person (sole traders) are withheld; buyers are public bodies. Data as of 2026-10-27.
Questions
How many public contracts has Belastingsamenwerking Gouwe-Rijnland awarded?
Belastingsamenwerking Gouwe-Rijnland published 16 contract award notices between 2016-03-03 and 2024-06-04; the 8 that state a value add up to €4.5M (official notices, as of 2026-10-27).
Who are Belastingsamenwerking Gouwe-Rijnland's biggest suppliers?
By contract awards: Involon (3), Thorbecke (3) and Enginear B.V, (2) (as of 2026-10-27). Winners that could be a private person are not named.
Which Belastingsamenwerking Gouwe-Rijnland contracts end soon?
2 contracts awarded by Belastingsamenwerking Gouwe-Rijnland end in the next 18 months. The soonest with a named holder is the IT services contract held by KPN B.V., ending on 2027-12-01 (end date stated) (as of 2026-10-27).
Does Belastingsamenwerking Gouwe-Rijnland have open tenders now?
Yes: 3 calls for tender from Belastingsamenwerking Gouwe-Rijnland are open today (deadline 2026-10-27 or later) (as of 2026-10-27).
What does Belastingsamenwerking Gouwe-Rijnland buy?
Most of Belastingsamenwerking Gouwe-Rijnland's awards are in Business services (CPV 79) (6), IT services (CPV 72) (4) and Software packages and information systems (CPV 48) (1) (as of 2026-10-27).
Cite as: Arcadium Data, "Belastingsamenwerking Gouwe-Rijnland tenders and contracts: 16 awards, suppliers, contracts ending", https://arcadiumdata.io/tenders/buyers/belastingsamenwerking-gouwe-rijnland-nl/, data as of 2026-10-27.