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Open public tenders sorted by deadline. Don't miss another relevant closing date — free SEAO alerts can watch these for you.
Data current to Aug 15, 2026 (3 days ago). SEAO publishes its open data once a week.
Services professionnels en ingénierie mécanique électrique Lot 1 HCLM et Lot 2 HRR
Professional servicesCentre intégré de santé et de services sociaux de la Montérégie-Centre (CISSS de la Montérégie-Centre) · Saint-Hubert, Montérégie
Published Jul 29, 2026Closes Aug 24, 2026Similar contracts ≈ $54,250 (median of 421 awards)Official notice (SEAO) →Ville de Saint-Hyacinthe . · Saint-Hyacinthe, Montérégie
Published Aug 3, 2026Closes Aug 24, 2026Similar contracts ≈ $200,416 (median of 547 awards)Official notice (SEAO) →Service d’entretien ménager du PLS Greenfield Park
Professional servicesCentre intégré de santé et de services sociaux de la Montérégie-Centre (CISSS de la Montérégie-Centre) · Saint-Hubert, Montérégie
Published Aug 6, 2026Closes Aug 24, 2026Similar contracts ≈ $54,250 (median of 421 awards)Official notice (SEAO) →Service d’entretien ménager du PLS Greenfield Park
Professional servicesSanté Québec Montérégie-Centre · Saint-Hubert, Montérégie
Published Aug 6, 2026Closes Aug 24, 2026Similar contracts ≈ $54,250 (median of 421 awards)Official notice (SEAO) →- Professional services
MRC de D'Autray · Berthierville, Montérégie
Published Jul 6, 2026Closes Aug 24, 2026Similar contracts ≈ $54,250 (median of 421 awards)Official notice (SEAO) → - Professional services
MRC de D'Autray · Berthierville, Montérégie
Published Jul 6, 2026Closes Aug 24, 2026Similar contracts ≈ $54,250 (median of 421 awards)Official notice (SEAO) → Transformation du presbytère en hôtel de ville
General constructionMunicipalité de Pointe-des-Cascades · Pointe-des-Cascades, Montérégie
Published Jun 18, 2026Closes Aug 24, 2026Similar contracts ≈ $113,190 (median of 1430 awards)Official notice (SEAO) →ÉCOLE WILLIAM LATTER- AGRANDISSEMENT ET RÉAMÉNAGEMENT
General constructionCommission Scolaire Riverside. · Saint-Hubert, Montérégie
Published Jun 15, 2026Closes Aug 24, 2026Similar contracts ≈ $113,190 (median of 1430 awards)Official notice (SEAO) →- Other
Centre d'acquisitions gouvernementales · Saint-Bruno-de-Montarville, Montérégie
Published Jun 29, 2026Closes Aug 25, 2026Similar contracts ≈ $74,483 (median of 8114 awards)Official notice (SEAO) → - Other
Centre d'acquisitions gouvernementales · Saint-Bruno-de-Montarville, Montérégie
Published Jun 29, 2026Closes Aug 25, 2026Similar contracts ≈ $74,483 (median of 8114 awards)Official notice (SEAO) → Ventilation de la salle des lave-pièces - Centre d'exploitation du Vieux-Longueuil
HVAC / VentilationRéseau de transport de Longueuil · Longueuil, Montérégie
Published Jun 29, 2026Closes Aug 25, 2026Similar contracts ≈ $85,973 (median of 75 awards)Official notice (SEAO) →Vidange, transport et disposition des boues de l'usine de traitement des eaux usées 2027
Professional servicesMunicipalité de Mont-Saint-Grégoire. · Mont-Saint-Grégoire, Montérégie
Published Jul 8, 2026Closes Aug 25, 2026Similar contracts ≈ $54,250 (median of 421 awards)Official notice (SEAO) →Vidange sélective, transport et traitement des boues de fosses septiques 2027
Professional servicesMunicipalité de Mont-Saint-Grégoire. · Mont-Saint-Grégoire, Montérégie
Published Jul 8, 2026Closes Aug 25, 2026Similar contracts ≈ $54,250 (median of 421 awards)Official notice (SEAO) →Services de conseil stratégique à l'audit interne pour l'audit TI
Professional servicesSanté Québec · Saint-Hubert, Montérégie
Published Jul 31, 2026Closes Aug 25, 2026Similar contracts ≈ $54,250 (median of 421 awards)Official notice (SEAO) →Ville de Saint-Hyacinthe . · Saint-Hyacinthe, Montérégie
Published Jul 8, 2026Closes Aug 25, 2026Similar contracts ≈ $74,483 (median of 8114 awards)Official notice (SEAO) →- General construction
Réseau de transport de Longueuil · Longueuil, Montérégie
Published Aug 5, 2026Closes Aug 25, 2026Similar contracts ≈ $113,190 (median of 1430 awards)Official notice (SEAO) → Ville de Saint-Hyacinthe . · Saint-Hyacinthe, Montérégie
Published Jul 8, 2026Closes Aug 25, 2026Similar contracts ≈ $74,483 (median of 8114 awards)Official notice (SEAO) →- General construction
Réseau de transport de Longueuil · Longueuil, Montérégie
Published Aug 5, 2026Closes Aug 25, 2026Similar contracts ≈ $113,190 (median of 1430 awards)Official notice (SEAO) → Vidange, transport et disposition des boues de l'usine de traitement des eaux usées 2027
Professional servicesMunicipalité de Mont-Saint-Grégoire. · Mont-Saint-Grégoire, Montérégie
Published Jul 8, 2026Closes Aug 25, 2026Similar contracts ≈ $54,250 (median of 421 awards)Official notice (SEAO) →Centre de services scolaire des Patriotes · Saint-Bruno-de-Montarville, Montérégie
Published Jul 16, 2026Closes Aug 25, 2026Similar contracts ≈ $74,483 (median of 8114 awards)Official notice (SEAO) →Construction d'une nouvelle école primaire de douze classes à Nicolet
General constructionCentre de services scolaire de la Riveraine · Nicolet, Montérégie
Published Jul 8, 2026Closes Aug 25, 2026Similar contracts ≈ $113,190 (median of 1430 awards)Official notice (SEAO) →Construction d'une nouvelle école primaire de douze classes à Nicolet
General constructionCentre de services scolaire de la Riveraine · Nicolet, Montérégie
Published Jul 8, 2026Closes Aug 25, 2026Similar contracts ≈ $113,190 (median of 1430 awards)Official notice (SEAO) →Centre de services scolaire Marie-Victorin · Longueuil, Montérégie
Published Jun 26, 2026Closes Aug 26, 2026Similar contracts ≈ $65,340 (median of 827 awards)Official notice (SEAO) →Centre de services scolaire Marie-Victorin · Longueuil, Montérégie
Published Jun 26, 2026Closes Aug 26, 2026Similar contracts ≈ $65,340 (median of 827 awards)Official notice (SEAO) →Travaux de réfection de l'entrée d'eau de l'école de la Magdeleine
General constructionCentre de services scolaire des Grandes Seigneuries · La Prairie, Montérégie
Published Aug 5, 2026Closes Aug 26, 2026Similar contracts ≈ $113,190 (median of 1430 awards)Official notice (SEAO) →
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Data: SEAO open data, Secrétariat du Conseil du trésor du Québec (CC-BY licence). Alliance Optima is not affiliated with SEAO or the Government of Québec. The official notice and its addenda always govern — verify atseao.gouv.qc.ca before bidding.