Sustainable
Data Governance
That Delivers

We partner with enterprise leadership to build data governance frameworks that create lasting value — not shelf-ware.

75+
Years combined experience
100+
Enterprise projects
50+
Fortune 500 clients

About XAPPO

Experts in enterprise data governance

As seasoned interim data governance, data strategy, and master data quality experts with combined more than 75 years of experience, we offer strategic and hands-on support to bring your data governance initiatives to life, partnering with you from initial planning through full implementation.

We have led multiple high-profile projects, including data governance frameworks for companies like IKEA, Lloyds Bank, Johnson & Johnson, E.ON, Billiton, Mayr Melnhof, ISTA, GEA Group, and UBS.

Our Mission

To empower organisations with transformative insights and strategies, enabling them to unlock their full potential and achieve sustainable growth in an ever-evolving business landscape.

Our Vision

To be the most trusted management consulting partner, renowned for transformative solutions and unwavering commitment to client success.

Our Services

What we deliver

01

Master Data Management

Centralise and harmonise critical business data to maintain accuracy, consistency, and integrity across all systems.

02

Data Quality Management

Ensure your data is accurate, complete, and reliable to support strategic decision-making and operational efficiency.

03

CDO Advisory

Support your organisation's data leadership journey by leveraging data to optimise processes, improve customer experience, and innovate faster.

04

Data & AI Governance Consulting

Design and integrate scalable data strategies and architectures aligned with your business goals, maximising data potential.

05

Data Governance eLearning

Empower your entire organisation with customised, white-labeled eLearning modules on data governance best practices.

06

Maturity Surveys

Evaluate your organisation's data governance effectiveness with customised maturity surveys and actionable insights.

Methodology

Our proven approach

A structured methodology refined across 100+ enterprise engagements, designed to create lasting organisational change.

01
Engage
Understand your business context, stakeholders, and data landscape
02
Evaluate
Assess data maturity, identify gaps, and map the current state
03
Evidence
Build the business case with quantified value and clear priorities
04
Establish
Design and implement governance frameworks, roles, and processes
05
Execute
Hands-on delivery, change management, and sustainable adoption

Client Testimonials

Trusted by industry leaders

Harro is wise manager of change with great attitude and passion to shape an impactful ecosystem. He is a extraordinary expert with a strong balance of strategic thinking and down to earth implementation skills. It was an amazing pleasure to collaborate closely on regional level!
Peter McDonald
Johnson & Johnson
I was very impressed by Harro's ability to quickly absorb and consolidate information about our business model, internal structures, and way of working. Combining that with his profound industry and domain knowledge resulted in very valuable, practical, actionable deliverables which we could then take immediate benefit from.
Ralfe Poisson
Enterprise Architect, Alpiq
We have worked intensively with Harro this year in order to develop a company wide data excellence framework for ista SE. Harro brought profound know how on data management to the table and helped our organisation to excel in data.
Nils Arwed Engelke
CIO, ista SE
Don't Screw Up Your Master Data — by Harro M. Wiersma

A comprehensive MDM framework you actually can use

Drawing on 25+ years of enterprise data management experience at companies like IKEA, UBS, Johnson & Johnson, and E.ON — this book distils what actually works when implementing master data management.

Case Studies

Client success stories

Healthcare & Pharmaceuticals
Johnson & Johnson
95%
Data Quality Score
98%
Compliance Score
50%
Faster Decisions

Regional Data Governance Transformation

Johnson & Johnson needed to establish a regional data governance framework that could scale across multiple business units while ensuring compliance with healthcare regulations and enabling data-driven decision making.

We implemented a comprehensive data governance strategy with clear roles, responsibilities, and processes. Established data stewardship programs and created governance frameworks that balanced regulatory compliance with business agility.

Data Governance Healthcare Regional Implementation Compliance
Energy & Utilities
Alpiq
6mo
Implementation Time
92%
Data Accuracy
60%
Process Efficiency Gain

Enterprise Data Governance Framework

Alpiq required a robust data governance framework that aligned with their business model and internal structures while providing practical, actionable deliverables for immediate implementation.

We conducted comprehensive analysis of business model and internal structures, then designed and implemented a tailored data governance framework with clear policies, procedures, and accountability measures.

Data Governance Energy Framework Design Business Analysis
Financial Services
UBS
100%
Security Visibility
75%
Faster Response Time
90%
Manual Reporting Reduction

Security Data Management & Reporting

UBS needed to integrate security event feeds across cloud and on-premise estates while establishing a new security metric data management and reporting framework for enterprise-wide visibility.

We delivered real-time security event feed integration enabling single pane of glass operations, and implemented a comprehensive security metric data management and reporting framework with automated dashboards and alerts.

Security Financial Services Real-time Integration Reporting
Smart Energy Solutions
ista SE
85%
Data Maturity Score
95%
Agile Integration
88%
Team Adoption

Company-Wide Data Excellence Framework

ista SE needed to develop a company-wide data excellence framework that adopted data management best practices while integrating with their agile operating model across the organisation.

We collaborated intensively to design and implement a comprehensive data excellence framework tailored to ista's agile model, incorporating industry best practices while maintaining organisational flexibility and speed.

Data Excellence Agile Integration Smart Energy Best Practices

Interactive Assessment

How mature is your data governance?

Rate your organisation across six dimensions. The radar chart updates in real-time to reveal your governance profile.

Data Strategy & Vision
4
Ad hocOptimised
Data Quality Management
3
No monitoringAutomated
Roles & Accountability
5
UndefinedEmbedded
Policies & Standards
3
InformalEnforced
Technology & Tools
6
SpreadsheetsIntegrated
Culture & Adoption
2
SiloedData-driven
38/100
Overall Maturity Score
Developing

Want a comprehensive assessment with actionable recommendations?

Book a Free Assessment

Contact

Let's talk

XAPPO Enterprises Ltd.

Address

Level One, Unit 23
Connecticlub Business Center
63 Triq il-Ballut
Mosta MST 4001, Malta

Leadership

Chairman: Harro M. Wiersma M.Sc.

Schedule a Consultation

Tell us about your data governance challenge and we'll get back to you within 24 hours.