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Power BI Dashboards: From Messy Spreadsheets to Decisions
Service description
I turn scattered spreadsheets, exports and database tables into a single Power BI dashboard your team can actually trust and act on. My work starts where most reporting projects fail — the data model. I design a proper star schema, connect your sources through Power Query, clean and reshape the raw data, and remove the duplicated, half-formatted tabs that quietly break every chart downstream. By the time you see the first visual, the numbers already reconcile with your accounting and operational records.
On top of that model I write DAX measures that answer real business questions: running totals, year-over-year and month-over-month growth, moving averages, budget-versus-actual, cohort retention, margin by segment. Everything is calculated once, centrally, so a metric means the same thing on every page and in every export. I lay out the report the way people read it — headline KPIs first, then drill-downs by region, product, manager or period — with slicers, bookmarks and tooltips that let a manager explore without ever touching a formula. Colors, fonts and spacing follow a consistent style so the dashboard looks like a product, not a draft.
Finally I make it self-updating. I configure scheduled refresh through the gateway or the service, document the model, and hand over a short guide so your team can add rows to a source and watch the report update on its own. You get a maintainable asset, not a one-off screenshot. Whether you need a single sales overview or a multi-page finance and operations suite, I deliver it tested against your own figures and ready to publish.
What's included:
— Data audit and source connection through Power Query (Excel, CSV, SQL, APIs)
— Star-schema data model with relationships and a date table
— Custom DAX measures and KPIs documented in plain language
— Interactive multi-page report with slicers, drill-through and bookmarks
— Scheduled refresh setup and a short handover guide
On top of that model I write DAX measures that answer real business questions: running totals, year-over-year and month-over-month growth, moving averages, budget-versus-actual, cohort retention, margin by segment. Everything is calculated once, centrally, so a metric means the same thing on every page and in every export. I lay out the report the way people read it — headline KPIs first, then drill-downs by region, product, manager or period — with slicers, bookmarks and tooltips that let a manager explore without ever touching a formula. Colors, fonts and spacing follow a consistent style so the dashboard looks like a product, not a draft.
Finally I make it self-updating. I configure scheduled refresh through the gateway or the service, document the model, and hand over a short guide so your team can add rows to a source and watch the report update on its own. You get a maintainable asset, not a one-off screenshot. Whether you need a single sales overview or a multi-page finance and operations suite, I deliver it tested against your own figures and ready to publish.
What's included:
— Data audit and source connection through Power Query (Excel, CSV, SQL, APIs)
— Star-schema data model with relationships and a date table
— Custom DAX measures and KPIs documented in plain language
— Interactive multi-page report with slicers, drill-through and bookmarks
— Scheduled refresh setup and a short handover guide
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