Diamant-groep: tenders, sectors & how to win their contracts

Diamant-groep has published 52 tenders in Netherlands.

2 are open for bids as of 30 September 2026.

Its buying spans 16 CPV divisions, most often agricultural, forestry, horticultural, aquacultural and apicultural services.

Across 14 awarded contracts the median value is €675k.

Its published awards total €17.6m.

Open Tenders

(2)

UrgentEU Funded

Diamant-groep

Softwarebroker

Netherlands

Not disclosed

1h remaining

72000000-5

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UrgentEU Funded

Diamant-groep

Diamantgroep is voornemens op 26 augustus 2026 een aanbesteding te publiceren voor Ontwikkelingsgerichte Arbeidsmatige D...

Netherlands

Not disclosed

1 day remaining

85300000-2

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Measured from Diamant-groep's own published record — no estimates, no generic advice.

Plan for about 47 days to prepare a bid — that is the median gap between publication and deadline across 51 of their tenders.
They publish about 0.8 tenders a month, measured over 66 months of history.
Half of their 14 awarded contracts are worth €675k or less — size your bid to that range.
Most of their buying falls in agricultural, forestry, horticultural, aquacultural and apicultural services, sewage, refuse, cleaning and environmental services, business services: law, marketing, consulting, recruitment, printing, security.
Their most frequent suppliers are Joh. Vos Capelle B.V. (2), Intermont Assuradeuren B.V. (2), Stratenmakersbedrijf Gebroeders Vos B.V. (2) — expect to bid against incumbents who already know this buyer.

Tender	Winner	Tender closed	Contract Value
Investering en onderhoud Veegmachines	Vermech, Ravo B.V., Aebi Schmidt Nederland B.V.	24 June 2026	€2.1m
Maaien intensief gras	J. van Esch B.V., Vebego Groen B.V., Integral Green Solutions B.V., Ploegmakers Cultuurtechniek B.V.	11 June 2026	€3.2m
Maaien extensief gras	J. van Esch B.V., Vebego Groen B.V., P. Pijnenburg & Zn B.V., Integral Green Solutions B.V., Ploegmakers Cultuurtechniek B.V.	11 June 2026	€1.9m
Borstelen	Integral Green Solutions B.V., Aannemersbedrijf M.J. Smits B.V., J. van Esch B.V., Vebego Groen B.V., Donker Groep B.V.	21 May 2026	€5m
Brandverzekering Diamant-groep	Omniguard Assuradeuren B.V., Nationale-Nederlanden Schadeverzekering Maatschappij N.V., Allianz Benelux N.V., Mandatis	6 November 2025	€40.4k
Potgrond	Joh. Vos Capelle B.V.	17 October 2024	€750k

Supplier	Contracts	Total Value
Joh. Vos Capelle B.V.	2	€750k
Intermont Assuradeuren B.V.	2	-
Stratenmakersbedrijf Gebroeders Vos B.V.	2	-