Enterprise Migration Services
We move your entire Cognos reporting environment to Power BI without shutting anything down or asking your teams to rebuild from scratch. Every report, every data model, and every security rule, handled by our Power BI consulting team.
Why Enterprises Are Moving
Most organizations we work with adopted Cognos when it was the best enterprise reporting tool on the market. That was 10 or 15 years ago. At the time, it solved an obvious problem: managing centralized reporting at scale. Since then, everything else in their stack moved to Microsoft: email, collaboration, cloud infrastructure, and file storage. But Cognos stayed where it was, and that disconnect is where the friction begins. Now the businesses are running two separate ecosystems, which means double the maintenance, double the licensing, and extra steps for everyone who needs a report. Solving this usually starts with a clear data strategy before any tools get swapped.
Your teams already use Microsoft tools for email, file storage, and collaboration. But when they need a report, they have to leave that ecosystem entirely and log into Cognos. This constant switching may seem small, but it adds up across teams and workflows. On the other hand, Power BI sits inside the Microsoft environment, so reports show up in Teams channels, SharePoint sites, and email inboxes, right where your people already work. And when it's paired with Microsoft Fabric, the full data pipeline from ingestion to visualization lives in one place.
Power BI includes Copilot, an AI assistant that can answer questions about your data, write calculations, and generate report visuals automatically. This fundamentally changes how quickly insights can be delivered. If your analysts currently spend half a day building a report that Copilot can draft in minutes, that is a productivity gap that compounds every week. See how Fabric and Copilot updates are reshaping enterprise BI for a deeper look at what's possible.
Cognos licensing is expensive, and the talent pool is getting smaller every year, which means contractor rates are going up. At the same time, organizations are under pressure to do more with fewer specialized resources. Power BI Pro costs $10 per user per month. Premium Per User is $20. For a 500-person organization, the annual licensing savings alone can be significant enough to fund the entire migration. After the switch, a Power BI managed services plan can keep ongoing costs predictable.
Building reports in Cognos Report Studio requires specialized skills and takes significantly more time than Power BI Desktop, which uses an interactive drag-and-drop system and connects to over 350 data sources. But speed and ease of creation are only part of the story. The bigger issue is adoption: reports published through Power BI appear inside the tools your employees already open every day, so they actually get looked at. Our analysis of Power BI adoption stats confirms that accessibility is the single biggest driver of report usage.
Head-to-Head Comparison
If you need to present this decision to your leadership team, here’s a factual summary of where each platform stands. We have focused on the areas that matter most when evaluating a migration. If your team is also considering the jump from spreadsheets, our guide on switching from Excel to a BI tool covers the broader transition.
| Capability | IBM Cognos Analytics | Microsoft Power BI |
|---|---|---|
| Architecture | On-premise or hosted. Reporting, OLAP, and planning each require their own infrastructure and administration. | Cloud-based. Part of Microsoft Fabric, which handles data storage, processing, and reporting in one environment. |
| Licensing & Cost | High per-user licensing. Enterprise agreements typically include features that go unused. Server costs are separate. | $10/user/month for Pro. $20/user/month for Premium Per User. Capacity-based pricing available for large organizations. |
| AI Capabilities | Basic AI features. No generative AI support for building reports or answering questions in plain language. | Copilot answers natural-language questions, writes calculations, creates visuals, and generates written summaries of your data. |
| Data Governance | Framework Manager handles metadata and business rules, but operates separately from your other governance tools. | Connects to Microsoft Purview for sensitivity labeling, data lineage tracking, and access policies across your full data estate. |
| Report Authoring | Requires Report Studio, which has a steep learning curve and a small community of practitioners. | Power BI Desktop is free, uses drag-and-drop design, and has a community of over 5 million users sharing solutions and templates. |
| Scalability | Scaling requires additional server hardware and manual performance tuning. | Cloud capacity scales automatically based on usage. No server procurement or manual tuning required. |
What We Migrate
One of the most common mistakes in a Cognos to Power BI migration is treating it as a report-by-report copy. It is the opposite of that. Your Cognos environment contains data models, business rules, security definitions, and automated processes that all need to transfer correctly. Getting the underlying data architecture right is what separates a clean migration from one that creates new problems.
Static list reports, crosstabs, and active reports become interactive Power BI dashboards. Instead of waiting for IT to build a new report version, business users can filter, drill through, and explore data on their own, which reduces the reporting backlog and puts answers in people's hands faster.
Framework Manager stores the rules that define how your data connects and what your metrics mean. It includes which tables relate to each other, how revenue is calculated, and what filters apply to each department. We rebuild all of that in Power BI's modeling layer so your numbers stay consistent and your team doesn't have to re-learn how the data works.
If you use TM1 for budgeting or forecasting, that data needs a new home. We move it into Azure-based storage and connect it to Power BI for reporting. If your finance team also needs planning and forecasting capabilities, we set up Microsoft's planning tools so those workflows continue alongside Power BI.
In Cognos, data access is controlled by security filters that determine which users can see which rows. We map every one of those rules into Power BI's row-level security (RLS) model, test them against your actual user base, and confirm that each person sees exactly what they should.
The batch reports that go out to your finance team every Monday or your operations team every night don't stop during migration. They keep running in Cognos until their Power BI equivalents are validated. In Power BI, we use paginated reports for formatted output, email subscriptions for delivery, and Power Automate for anything that requires custom routing.
Collectiv’s Cognos Migration Framework
The number one reason Cognos migration projects stall is uncertainty: nobody can clearly explain what’s going to happen, in what order, or what the risks are at each stage. This framework exists to eliminate that uncertainty. Each phase has defined inputs, outputs, and checkpoints so your leadership always knows where the project stands.
We audit your entire Cognos environment: every report, data source, Framework Manager package, scheduled job, and user permission. The output is a scope document that ranks each component by complexity and maps out dependencies, including which reports rely on which data models, and which models share sources. This document becomes the foundation for your project timeline and budget. It’s similar to what we produce in our BI strategy roadmap consulting, but focused specifically on migration.
Before anything moves, we design where it is going. This covers how Power BI workspaces are organized: by department, by function, or by data domain, which data sources connect through on-premise gateways versus cloud pipelines, how much Fabric capacity you will need, and how the whole setup connects to your broader Azure environment. You review and approve this blueprint before we begin migrating anything.
This is the most technical phase. Your Framework Manager models get rebuilt in Power BI’s tabular format. Data connections are re-established through Power Query or Azure Data Factory. Every calculation, filter, and business rule is documented as it is recreated, not just so the migration is accurate, but so your internal team can modify and extend the models on their own afterward. Getting this layer right is critical — as we’ve seen in projects like DAI’s Power BI data modeling overhaul, a well-structured semantic model makes everything downstream faster.
Where a Cognos report was a flat table, the Power BI version gets interactive filtering, drill-through navigation, and mobile-ready layouts. We also tune each report for performance, so the environment your support team inherits is faster and easier to maintain than what you started with.
Every migrated report is compared against its Cognos original to confirm the numbers match. Governance policies go live in Microsoft Purview. Then we run hands-on training tailored to each user group: report consumers learn how to find and use dashboards, analysts learn how to build and modify them, and admins learn how to manage the environment. Cognos gets decommissioned only after everyone is comfortable.
Migration Challenges, Solved
Migrating from IBM Cognos to Power BI comes with both risk and uncertainty. We’ve seen what happens when organizations move on from legacy reports without a clear plan, and we’ve also seen what happens when they do it right.
These are the concerns that come up in nearly every enterprise conversation about migrating to Power BI. If any of these sound familiar, here’s how we remove those blockers before they become problems.
Your Framework Manager models are massive and interconnected. Some organizations have hundreds of query subjects across multiple namespaces, with calculations that reference other calculations. There's no automated tool that converts these to Power BI.
We work through each package methodically, documenting every relationship and calculation before rebuilding it in Power BI's tabular format. Complex multi-step joins get restructured specifically for in-memory processing, which frequently makes the new model respond faster than the original.
Your reports have a web of dependencies. Dozens of downstream reports pull from shared Cognos packages. Changing one component could break something a different department relies on, and nobody wants to take that risk.
We map every report-to-package dependency during the discovery phase. Then we migrate in waves: standalone reports first, then shared components once all dependent reports are accounted for. Both platforms run side by side throughout, so there is zero disruption, and no moment where a report stops working or a team is left without access.
You are worried about performance with large datasets. Queries that perform well in Cognos's OLAP engine could behave differently in Power BI's in-memory architecture, especially for datasets in the tens of millions of rows.
We choose the right Microsoft Fabric capacity based on your actual data volumes, build aggregation tables for the heaviest datasets, and use DirectQuery for anything that exceeds practical memory limits. Performance testing happens in every phase of the project to avoid any hurdles down the road.
You cannot afford gaps in data access controls. In regulated industries, especially, any period where security rules aren't enforced correctly is a compliance liability. You need to know that when a user moves to Power BI, they must see exactly the same data they’re authorized to access.
We extract every access rule from Cognos, recreate it as a Power BI row-level security definition, and run validation tests against your actual user base before cutover. Once you are on Power BI, Microsoft Purview adds governance capabilities that Cognos doesn't offer, including sensitivity labels and data lineage tracking across your entire data estate. For a broader look at how governance works in modern BI environments, our guide on data governance in a multi-agent BI world covers the full picture.
Your people have used Cognos for years and don't want to start over. Resistance to change is real. If users feel lost in the new platform, they will find workarounds that defeat the purpose of the migration.
We run role-based Power BI training so each user group learns what's relevant to their job with hands-on sessions built around their actual reports. We also identify internal champions early and involve them in testing, so they are ready to support their teammates from day one. For a structured approach to this process, our guide on increasing BI user adoption outlines the six strategies that make the biggest difference.
Yes. Framework Manager is where your organization stores the rules that define how data connects and what your metrics mean. During migration, all of those rules are carefully mapped into Power BI’s semantic model layer. While the underlying technology changes — Cognos uses a multi-dimensional approach, and Power BI uses a tabular model — the business logic and the numbers it produces remain consistent. For complex models with many namespaces or deeply nested calculations, we optimize the structure specifically for Power BI’s in-memory engine, which often makes the new model faster than the original.
The migration takes between 3 and 9 months for a full enterprise migration. The biggest variables are the number of active reports, the complexity of your data models, and how many external systems connect to your Cognos environment. We use a phased approach that starts with your highest-priority reports, so your teams are working in Power BI within the first few weeks rather than waiting for the entire migration to finish. A detailed project timeline with milestones and review checkpoints is established during the Discovery and Assessment phase. If your organization is still weighing the decision, our article on why indecision puts your data modernization strategy at risk explains the cost of waiting.
They keep running without interruption. Cognos and Power BI operate side by side throughout the entire project. Your nightly data loads, weekly executive summaries, and monthly financial packages continue on their normal schedule. As each report is rebuilt in Power BI, we set up paginated reports (for formatted, print-ready output), email subscriptions (for automated delivery), and Power Automate workflows (for custom distribution). Cognos isn’t decommissioned until every scheduled report has been validated in Power BI and confirmed by your team.
Yes. We move TM1 cubes, dimensions, and planning models into Azure-based storage (the specific service depends on your data volumes and access patterns) and connect them to Power BI for reporting and analysis. If your finance team also relies on TM1 for budgeting, forecasting, or financial consolidation, we can draft a solution that pairs Power BI with Microsoft’s planning tools so those workflows continue without interruption.
Change management is built into every phase, not treated as a separate workstream. We identify key stakeholders and internal champions during discovery, involve them in testing during migration, and run role-based training before cutover. The goal is that by the time Cognos is decommissioned, your teams have already been using Power BI for weeks and feel confident in it. Our article on change management as the other half of enterprise data strategy goes deeper into why this matters.
Frequently Asked Questions
Start Your Migration
Book a free assessment of your Cognos environment. We will evaluate the complexity of your data models and give you a realistic timeline, so you can make an informed decision.