Payroll is the foundation of everything.
SPI takes full ownership of payroll, end to end, with mastery.
- Rigor, compliance, continuity
- Clear accountability
- Reliable payroll, cycle after cycle
- Welcome to Solution Paie Infini
Always there
when it matters most.
- Payroll
- Accounting
- Automation
Three pillars. One unified team of Heroes.
- Why us ?
Why work with SPI’s Heroes ?
Because payroll, automation, and accounting should never be managed in silos.
At SPI, we bring a global and strategic vision of your administrative department, focused on stability, efficiency, and clarity.
Our approach is simple and intentional
We secure what matters most first : payroll
Then we optimize through automation
Once the foundation is solid, we eliminate friction.
- Fewer manual tasks
- Fewer errors
- Fast, visible, and measurable efficiency gains for the organization
Accounting : clarity and consistency
The Accounting Justiciar supports the entire structure.
- Payroll–accounting alignment
- Clear, actionable data
- Stronger visibility for leadership
- Our team
Our Heroes in action
He secures and executes payroll with uncompromising precision.
✓ Full payroll management
✓ Government remittance and document verification
✓ Annual updates
✓ T4 / RL-1 preparation
✓ Fast, human support
She brings order, rigor, and clarity to your financial data.
- Bookkeeping
- Accounting review and preparation
- Dashboards and reporting
- Payroll–accounting alignment
He transforms processes to make your organization run more smoothly.
- Payroll and internal workflow automation
- System integrations (payroll, accounting, HR)
- Process optimization and documentation
- Training and change management support
Our Heroes in action
The operational pillar of your organization.
He secures and executes payroll with uncompromising precision.
- Full payroll management
- Government remittance and document verification
- Annual updates
- T4 / RL-1 preparation
- Fast, human support
🛡️ The Payroll Guardian
⚡ The Power of Automation
Structured efficiency. Unleashed potential.
He transforms processes to make your organization run more smoothly.
- Payroll and internal workflow automation
- System integrations (payroll, accounting, HR)
- Process optimization and documentation
- Training and change management support
🏹 The Accounting Justiciar
Consistency and accuracy at the heart of your numbers.
She brings order, rigor, and clarity to your financial data.
- Bookkeeping
- Accounting review and preparation
- Dashboards and reporting
- Payroll–accounting alignment
- Our services
Our Heroes’ Missions
- Standard Mission
The Serenity Squad
You lead. We protect.
Who it’s for :
Independent SMEs who want to stay in control while relying on a trusted ally.
- Complete payroll management each cycle
- Technical verifications and minor adjustments
- Proactive follow-up and ongoing support
- Simple monthly billing with detailed statement
- Additional hours available upon approval
- Premium Mission
The Absolute Calm Alliance
You lead. We ensure peace of mind.
Who it’s for :
Growing SMEs with multiple payroll cycles who want to anticipate the unexpected.
- Full payroll management with continuous support
- Priority support (response guaranteed within ≤ 24 business hours)
- Monthly compliance report with personalized recommendations
- Year-end adjustments and preparation included (bonus up to 5 hours)
- Monthly billing with detailed service report
- Additional hours upon approval
- Elite Mission
The Total Shield
You inspire. We orchestrate excellence.
Who it’s for :
SMEs and larger organizations with volume or regulatory complexity that require true strategic oversight.
- End-to-end payroll management with strategic supervision
- Customized compliance and efficiency audit
- Quarterly strategic review with our experts
- Unlimited priority support (response ≤ 12 business hours)
- Full year-end preparation included (T4, RL-1, CNESST, etc.)
- Monthly executive report
- Our targets
Who is SPI for ?
For SMEs that want to move forward without administrative stress :
- Growing businesses looking to structure their administration
- Organizations whose administrative complexity is increasing
- Companies seeking reliability, clarity, and continuity
- Testimonials
They found their Heroes
- Our commitment
Heroes who protect your growth — not just your payroll
At SPI, we manage payroll, accounting,
and automation so you can focus on what truly matters:
your people, your clients, and your results.