Omar Williams

Senior BI Architect | Power BI Lead | UK Financial Services

15+ years building governed, audit-ready Power BI reporting and MI for UK financial services, from regulatory remediation programmes to finance, regulatory and HR analytics.

Available from January 2027

Omar Williams
What I do

Reporting that holds up when someone checks.

MI and KPI frameworks for regulated programmes

Programme-wide MI and KPI frameworks that turn regulatory and remediation objectives into reporting that leadership, risk and finance trust.

Power BI and Microsoft Fabric architecture

Certified semantic models, Fabric Dataflows Gen2, and CI/CD via Azure DevOps for controlled promotion across dev, test and production.

Regulatory and finance reporting

Audit-ready governance and lineage: reconciliation, row-level security, access controls and documentation that satisfy senior and regulatory scrutiny.

Selected work

Recent engagements.

Close Brothers, via Dufrain · 2026 to present

Motor finance remediation MI

Leading MI delivery with a team of 2 developers for one of the highest-profile regulatory remediation programmes in UK financial services, including the programme-wide MI and KPI framework.

13 of 16roadmap reports delivered

Weatherbys Private Bank · 2024 to 2025

Regulatory reporting in Power BI

Modernised COREP, Basel III, MLAR, Asset Encumbrance and Own Funds reporting into governed Power BI models, with Fabric Dataflows Gen2 and CI/CD via Azure DevOps.

95%first-time UAT pass rate

Weatherbys Private Bank · 2025 to 2026

HR analytics

Unified 5 HR systems into one governed analytics architecture and delivered 20 dashboards covering attrition, absence, talent, probation and learning.

90%less manual intervention

IFS · 2021 to 2024

Finance BI

Re-engineered corporate finance data models and reporting pipelines, and introduced Microsoft Fabric with Microsoft Purview for governance and lineage.

60%+fewer refresh failures

Skills

Tools and disciplines.

Platform

  • Power BI
  • Microsoft Fabric
  • Dataflows Gen2
  • Azure SQL
  • Snowflake

Modelling

  • DAX
  • T-SQL
  • Semantic Modelling

Governance and delivery

  • Microsoft Purview
  • RLS
  • Data Governance
  • Azure DevOps CI/CD

DP-600 exam booked, January 2027

Contact and availability

Get in touch.

Available for outside IR35 contracts and senior permanent roles from January 2027. Remote UK, or hybrid within reach of Bedford.