Data & BI · public sector

From records to steering.

How we turn raw records into dashboards a tax organisation steers on every day — on workload, objections, value and collection. With data quality as the foundation.

Example view · synthetic demo data Built by DWDA · Power BI
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WOZ objects managed
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Objections · 2.5% objection rate
€0 mln
Value reduction
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Objects assessed
Work preparation — active workloaddemo
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Object mgmt
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Assessors
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B&B
Object management

See in real time which objects need attention.

Workload, progress and data quality in one view — so teams are allocated precisely and adjustments happen sooner.

WorkloadProgressBAG/WOZ linking
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Objection analysis

Analyse objection trends across multiple years.

Development, outcomes and filers combined — revealing trends and the causes behind the numbers.

Multi-year trendUpheld / rejectedNCNP vs. private
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Objection trend 2023–2025demo
2023 · 2.7462024 · 3.0582025 · 3.214
Rejected 1,857
Upheld / partly 786
Still open 571
Adjustment value per municipalitydemo
€0M
Total reduction
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Avg. reduction
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Adjusted
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Terneuzen
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Sluis
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Hulst
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Goes
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Borsele
Value reduction

Bring the financial impact into view.

Value reductions not just as a count, but in financial scale and geographic spread — per municipality, adding up to the whole.

€ 44.9 mln impactPer municipalityGeographic spread
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Steering & chain

Steer teams on capacity and progress.

From field inspections to collection: one coherent view of the chain, making capacity and risk manageable day to day.

Chain-wide insightCapacity & riskDaily steering
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Collection & field inspectionsdemo
Not due 93.5%
Overdue 6.5%
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Field inspections
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Adjusted after inspection
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Debtor position
Sector validation

Our WOZ objection dashboards were shown by the Waarderingskamer (Dutch valuation regulator) as an example in several sector webinars.

Data that comes to life — and leads to steering.

Curious what a data & BI foundation could mean for your organisation? We build it, with data quality as the basis.