CERLIEN
Toronto AI & software studio

AI automation and custom software development in Toronto.

CERLIEN builds practical AI systems, custom software, data workflows, web applications, and integrations that remove manual work and fit the way your business actually operates.

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AI automationAI agentsPythonJavaScriptAPI integrationData analytics
AIAutomated workflows
SoftwareBuilt around operations
DataClearer decisions
✓Toronto-based
✓Business-first engineering
✓Clear scopes and handoffs
✓Remote-friendly delivery
Core services

Software and AI built for real business workflows.

We focus on high-intent technology work: automating repetitive operations, building systems that off-the-shelf software cannot handle, connecting disconnected tools, and turning data into usable decisions.

AI

AI Automation & Consulting

Business process automation, LLM integration, document workflows, internal copilots, knowledge systems, and human-in-the-loop AI.

AI automation services →
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AI Agent Development

Custom AI agents that can use tools, retrieve business data, complete multi-step tasks, and escalate exceptions to a human.

AI agent development →
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Custom Software Development

Internal tools, customer portals, dashboards, workflow applications, APIs, MVPs, and purpose-built business systems.

Custom software →
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API & Systems Integration

Connect CRMs, databases, SaaS platforms, payment tools, internal systems, and third-party APIs so data moves without manual re-entry.

Systems integration →
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Data Analytics & Python

Data cleaning, analysis, dashboards, reporting pipelines, KPI workflows, and Python tools that make business information usable.

Data analytics →
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Web Application Development

Fast, responsive web apps, portals, admin systems, SaaS interfaces, and API-connected products built for desktop and mobile.

Web applications →
Toronto technology partner

Local context. Remote-ready delivery.

CERLIEN is based in Toronto, Ontario and works with organizations that need practical engineering without unnecessary layers. We can support Toronto and GTA businesses locally while delivering projects remotely across Canada and beyond.

The starting point is the operational problem: where time is being lost, where data is fragmented, where a manual step creates risk, or where an existing tool no longer fits. From there, we choose the simplest architecture that can solve it well.

About CERLIEN
  • 01
    Outcome before stackDefine the business result before choosing technology.
  • 02
    Small, testable milestonesKeep progress visible and reduce delivery risk.
  • 03
    Maintainable handoffClear code, documentation, ownership, and next steps.
Delivery model

From business problem to working system.

A straightforward process for AI automation, custom software, and integration projects.

01 / DISCOVER

Understand

Map the workflow, users, systems, data, constraints, and measurable outcome.

02 / DESIGN

Shape

Define architecture, scope, milestones, risks, and the smallest useful version.

03 / BUILD

Deliver

Develop, test, integrate, and review in visible increments.

04 / IMPROVE

Refine

Measure real-world use, fix what matters, and extend when the next need is clear.

Common use cases

Where custom technology creates leverage.

Typical projects begin when spreadsheets, disconnected SaaS tools, repetitive admin work, or generic software start slowing the business down.

Operations & internal systems

  • Workflow automation and approvals
  • Document processing and structured extraction
  • Internal dashboards and admin portals
  • CRM, ERP, email, database, and API integration
  • Reporting and reconciliation workflows

Customer-facing products

  • Custom web applications and SaaS products
  • AI assistants and AI-enabled features
  • Self-service portals and dashboards
  • Data-driven product experiences
  • Rapid MVPs and technical prototypes
FAQ

Common questions

What does CERLIEN build?

CERLIEN builds AI automation, custom software, AI agents, web applications, data and analytics workflows, API integrations, and selected blockchain solutions for real business operations.

Is CERLIEN based in Toronto?

Yes. CERLIEN is based in Toronto, Ontario and works with clients across the GTA, Canada, the United States, and remotely.

Can CERLIEN automate an existing business process?

Yes. We can map a manual workflow, identify the steps that can be automated, connect the systems involved, and add human review where decisions or approvals still need a person.

Do you build custom software from scratch?

Yes. Projects can range from focused internal tools and dashboards to customer-facing web applications, APIs, and custom business systems.

Can you integrate AI with existing software?

Yes. AI can be connected to existing CRMs, databases, internal tools, document workflows, APIs, and other business systems when integration is the right solution.

Need AI automation or custom software in Toronto?

Tell us the workflow, bottleneck, or product you want to build. We’ll turn it into a clear technical starting point.

Talk to CERLIEN