Data Engineering & Analytics Consultancy

Your data. Your control.
Your way.

DataStream builds controlled data platforms and automates risk, finance and compliance reporting - for banks, financial institutions and any enterprise where data complexity is the daily reality.

15th of the month → 3rd. Five people → one. Same process, automated.
Our promise

What we deliver

Why most organizations still struggle with risk, finance and compliance reporting - and what we do about it.

Single source of truth

One trusted data layer that replaces fragmented spreadsheets and siloed reports.

Trusted data

Automated controls and governance built into every step of the data pipeline.

Self-service reporting

Business users get answers in their tools of choice, with less waiting on IT.

Independent teams

Knowledge transfer is part of the project, not an afterthought.

Flagship offering

The Data Platform

A centralized, controlled platform that becomes the single source of truth for your business and technical teams.

Sources

Core, satellites, files

Staging

Logged, auditable

Data Warehouse

Risk, finance, compliance ready

Governance

Quality, security, lineage

Consumption

BI, Excel, web app

Built once, owned forever.

Outcomes

What this means for your business

Less

IT bottleneck

Business gets answers without raising a ticket.

Faster

reporting cycles

End-to-end automation, daily owner notifications.

Audit

ready data

Full traceability, history preservation including changes and deletes.

Regulatory

readiness

Documented lineage, automated controls, role-based access.

Lower

long-term TCO

One platform, parameterized processes, low maintenance overhead.

References

Proven where data is hardest

Much of our work comes from banking - the most demanding data environment there is. The same platforms and methods serve enterprises in any industry.

AIK Group · Banking

Group data warehouse

A regional banking group now runs on one centralized DWH - every entity reporting from the same trusted numbers.

Addiko Bank AG · Banking

IFRS 9 impairment platform

Group-level IFRS 9 impairment computed automatically across entities - consolidated, controlled and fully traceable.

Nites · Enterprise

Platform optimization & migration

Report generation time cut by 64% on average - optimization plus Oracle-to-PostgreSQL migration with business logic preserved.

See all references →

What makes us different

Why DataStream

Senior, hands-on team

No junior bench. The people who scope the project are the people who build it.

Risk, Finance, Modeling and IT in one team

All disciplines in one team. No translation layer between business needs and IT delivery.

Documentation as a live product

Browseable, searchable, never stale. Not a PDF that sits in a drawer.

True ownership transfer

When we leave, your team owns the platform end to end. No vendor lock-in.

Optional ongoing support

Monthly maintenance if you need it. Day-to-day operations, monitoring, and small enhancements.

Live, clickable demos

Don't take our word for it - explore a working data warehouse before you commit. Open the demo →

Let's talk

Your data. Your control. Your way.

Tell us where it hurts - a 30-minute conversation is usually enough to see whether and how we can help.

Get in touch