SaaS Development Company in Montreal

Tenant isolation model is the biggest single driver on Montreal SaaS cost: a Montreal SaaS MVP, a production-grade SaaS with multi-tenant isolation, SAML SSO and SCIM, role-based access control, audit logging, Law 25 PIA, SOC 2 Type II readiness, and integration to two or three external systems, or full enterprise-tier SaaS with schema-per-tenant or database-per-tenant isolation, SSO and SCIM across multiple identity providers, custom audit and compliance modules, FedRAMP-equivalent posture. Scope drivers include multi-tenant architecture on Postgres row-level security, bilingual FR-CA and EN-CA interface, Stripe Billing, Auth0 or Clerk authentication with SAML SSO scaffolding, basic admin console, audit logging. We give fixed-fee proposals.

Law 25 (formerly Bill 64) is Quebec's modernised private-sector privacy regime, materially stricter than PIPEDA and conceptually close to GDPR. For SaaS the obligations are extensive. Mandatory appointment of a Responsable de la protection des renseignements personnels (privacy officer) for the publisher, mandatory privacy impact assessments before any new product or material feature launch, explicit and granular consent for each purpose of processing (a blanket privacy policy is non-compliant), 72-hour breach notification to the Commission d'accès à l'information, a right to know the principal factors and parameters of any automated decision affecting individuals (which captures most ML-driven SaaS features including pricing, recommendation, churn intervention, and lead scoring), enhanced cross-border transfer obligations that apply even within Canada (a SaaS hosted in AWS us-east-1 with Quebec customer data requires a documented transfer assessment), and fines up to CAD $25M or 4 percent of global turnover. Law 25 is frequently a deal-blocker against US-origin SaaS vendors for Quebec enterprise and public sector buyers, and Quebec-built SaaS that bakes Law 25 in from sprint zero converts disproportionately well against US competitors during procurement.

We choose the isolation strategy based on regulatory risk, tenant count, and operational maturity. Postgres row-level security (RLS) with a tenant_id column on every table and a current_tenant session variable enforced by RLS policies is our default for typical B2B SaaS with hundreds to low thousands of tenants — operationally simple, cost-efficient, and audit-defensible when implemented rigorously. Schema-per-tenant (each tenant gets a dedicated Postgres schema) is our default for healthcare, payments, public sector, and any vertical where a Law 25 PIA flags cross-tenant query risk as material — slightly higher operational cost but eliminates the entire class of accidental cross-tenant leak through application bugs. Database-per-tenant is reserved for enterprise tier and regulated verticals where the largest customers contractually require it. We never share a single mutable row across tenants without explicit design review. For caching we tenant-tag Redis keys, for background jobs we partition queues by tenant for the largest customers, and for observability we tag every log line, metric, and trace with tenant_id so SOC 2 evidence and Law 25 incident response are clean.

Yes. SOC 2 Type II readiness is built into our SaaS engagements from sprint zero, not bolted on before a Big Four audit. We implement the Trust Services Criteria across Security, Availability, Processing Integrity, Confidentiality, and Privacy with controls that map cleanly to both SOC 2 and Quebec Law 25. Concretely that means infrastructure as code with version control (Terraform or Pulumi in a Git repo), tenant-isolated audit logging on every personal information access, RBAC enforced at the database row level not just the API layer, change management gates on production deploys (PR review, CI gates, deploy approvals for sensitive paths), vulnerability scanning (Snyk, Dependabot, Trivy for container images) integrated into CI, vendor risk management documentation, incident response runbooks with 72-hour Law 25 breach notification timing, and continuous evidence collection through Drata, Vanta, or Secureframe. We have shipped SaaS that passed Type II audit on first attempt with a Big Four firm. Quebec public sector procurement (CSPQ contracts) typically asks for SOC 2 or ISO 27001 plus a Law 25 PIA — we treat both as first-class deliverables.

Bill 96 makes French-equivalent interface non-negotiable for Quebec consumer products and any SaaS marketed to Quebec end users — and even for B2B SaaS, French interface is frequently a Quebec enterprise procurement requirement. We design FR-CA and EN-CA wireframes in parallel from sprint zero, never English-first with French as a translation pass, which is the most common reason Quebec SaaS feels like it was built for Ontario and loses Quebec enterprise procurement. Our i18n pipeline uses Lokalise, Crowdin, or Phrase with Quebec French (FR-CA) as a distinct locale from Parisian French (FR-FR), because Quebec French differs materially in vocabulary, anglicism patterns, and register — generic French translation memory will produce embarrassing copy. Date, currency, address, and number formatting all respect the locale (Quebec uses 24-hour time in formal contexts, comma as decimal separator in French and period in English, postal code format Canadian, currency CAD with French formatting in FR-CA). Email and transactional copy ships in the recipient's preferred locale. We typically include a native Quebec French copy reviewer as part of the engagement or coordinate with the client's in-house team.

For subscription billing the default is Stripe Billing (with Stripe Tax for Canadian GST, QST, PST, HST handling — QST is Quebec's provincial sales tax at 9.975 percent and Stripe Tax handles it correctly when configured), Recurly for enterprises that need richer dunning and revenue recognition, Chargebee for complex usage-based and hybrid pricing, and Paddle for SaaS that wants merchant-of-record handling of global tax. For payment processing on the merchant-acquiring side, Nuvei (Montreal HQ, NYSE and TSX dual-listed) is a strong choice for Quebec-built SaaS that wants in-province payments rails and Quebec enterprise familiarity, Moneris (Montreal HQ, RBC and BMO joint venture) is dominant in Quebec retail and hospitality acquiring, Lightspeed Payments is bundled with Lightspeed Commerce for merchants already on that platform, and Stripe is the default for global SaaS. Interac Online and Interac e-Transfer can be wired for B2B SaaS that serves Canadian-only customer bases. Revenue recognition (ASC 606 and IFRS 15) typically routes through Stripe Revenue Recognition, Sage Intacct, or NetSuite for enterprises preparing for audit or public market filings.

An MVP with multi-tenant architecture, bilingual interface, Stripe Billing, SSO scaffolding, and basic admin console takes twelve to twenty weeks. A production-grade SaaS adding SOC 2 Type II readiness, audit logging, RBAC, SCIM, integration to two or three external systems, and a Law 25 PIA takes twenty-four to forty weeks. Full enterprise-tier SaaS with schema-per-tenant isolation, multiple identity providers, custom compliance modules, and vertical-specific regulatory build takes forty to seventy weeks. We hold weekly EST standups, ship to staging continuously from week one, run bilingual copy QA on a rolling basis (not at the end), and deliver SOC 2 evidence packages quarterly so the eventual Type II audit window is a confirmation exercise rather than a six-week scramble. We have shipped SaaS that exited a Series A and B fundraise round with audit-ready evidence in hand, which materially shortens enterprise sales cycles in Quebec and globally.

Yes, and the Quebec stack for SaaS is the most generous in Canada. Federal SR&ED returns 35 percent refundable on eligible R&D spend for Canadian-controlled private corporations (CCPCs) up to the $3M expenditure limit, and 15 percent non-refundable above. Quebec layers the Crédit d'impôt pour la R-D salaire (14 to 30 percent provincial salary R&D credit depending on size), the Crédit d'impôt pour le développement des affaires électroniques (CDAE) which returns 24 percent of eligible IT salaries for qualified Quebec corporations operating in eligible IT activities — most SaaS engineering qualifies, and CDAE is a major reason Quebec SaaS is more cost-effective than headline rates suggest. CDAE eligibility requires the corporation to derive at least 75 percent of revenue from eligible IT activities, employ at least six eligible employees in Quebec, and pass Investissement Québec certification annually. We structure deliverables and engineering time tracking to maximise both SR&ED and CDAE — for SaaS, eligible SR&ED activity typically includes novel multi-tenant isolation algorithms, custom search and ranking, real-time sync, and algorithmic uncertainty in pricing or recommendation features. We deliver T661-ready technical narratives and CDAE certification documentation. Final eligibility sits with your specialised consultants and Investissement Québec.