SF logo Foster BI Services
Freelance Power BI development

Fostering Better Business Through the Power of Data.

I build Power BI reports and semantic models that people trust, and fix the ones that have grown slow or hard to maintain.

Start a project See the free toolkit
DAX review Sales YoY % 
Sales YoY % =
VAR _cur = [Total Sales]
VAR _ly  = CALCULATE( [Total Sales], SAMEPERIODLASTYEAR( 'Date'[Date] ) )
RETURN
    DIVIDE( _cur - _ly, _ly )
DIVIDE, not / variables format string set
Services

From a blank page to a model your team can maintain

All services →

Power BI dashboards

Reports designed around the questions your readers ask, laid out so the key numbers read in seconds.

Data modeling / DAX

Star-schema semantic models with measures that are correct, fast and easy for the next developer to follow.

Report audits & optimization

A review of an existing report and model, with a prioritised list of what to fix and why it matters.
Portfolio

Production reports, rebuilt as samples

Each keeps the original design, model and DAX, but all data is synthetic and not real.

All five reports →
Performance Snapshot page

MWP US Project Scorecard
Program Overview page

Workforce Pathway
Summary page

PL Childcare
Free · SF Power BI Toolkit

Get more from Copilot when your company limits AI tools

Explore the toolkit

Tell me about your project

Describe the report, model or problem you're dealing with. I'll reply within two business days.

Start a project