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Data Quality at Scale: Why Data Quality Is Crucial and How to Manage It

Auteur n°4 – Mariami

By Mariami Minadze
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Summary – Facing the shift from POC to industrialization, the lack of business definitions, clear governance, and contextualized traceability blocks any scaling and renders every audited rule enforceable. Prioritizing critical data, formalizing a RACI, implementing usage-driven data lineage and versioning ensure distributed governance and smooth rule management.
Solution: establish a multi-stakeholder committee to arbitrate, manage priorities, and deploy your CI/CD pipelines, ensuring compliance, performance, and agility.

Data quality is the foundation of any ambitious digital strategy. In large organizations, it determines the reliability of reporting, regulatory compliance, and operational performance.

It has even become a prerequisite for automating workflows, business intelligence analyses, or AI projects. Yet, despite mature tools and skilled teams, data quality initiatives often stall at the proof-of-concept stage. The real obstacle is not technical but organizational and decision-making: as soon as IT industrializes data quality, every rule becomes officially binding and audited, requiring definition, arbitration, and clear responsibilities. Without this foresight, large-scale deployment ends in a dead end, despite successful POCs.

Data Quality Roadblocks on the IT Side

Improving data quality is not enough if the organization cannot support scaling. Once rules become auditable and enforceable, even the slightest disagreement blocks industrialization.

Vague Definitions and Responsibilities

Without clear definitions of the data’s content and associated rules, data cannot be defended or justified. IT teams refrain from implementing empirical corrections, fearing to lock in a version that might be contested.

Basic questions remain unanswered: which definition prevails, which rule applies universally, and who arbitrates conflicts. Each silence perpetuates uncertainty.

When a rule has no formal owner, no one dares to render it mandatory. IT fears making a process official until the business scope is fully sanctioned.

Example: At a major Swiss financial institution, automation of a customer address validation rule was put on hold until business responsibility could be determined. This three-month delay demonstrated that a strong partnership between IT and business units is essential to move forward.

Apprehension Around Traceability

The requirement to track every correction to ensure historical recording often hinders industrialization.

Technical traceability without business context creates a flood of unusable data, exposing past decisions without explanation. Audits then become a threat rather than an asset.

As a result, traceability is postponed or implemented minimally, leaving a grey area where corrections and interpretations circulate without formal evidence.

Fragmented Governance and Uncertainty

The IT department, business teams, data teams, and compliance each share pieces of responsibility, yet none can arbitrate production use. IT ends up as custodian of the rules without a business mandate.

The absence of a steering committee or escalation process makes any organizational decision impossible. Whenever an issue is raised, the project stalls awaiting arbitration.

This division of roles fosters inertia: the organization prefers implicit, local rules over engaging in clarifications that would slow operational routines.

The Organizational Tipping Point before Industrialization

Automating data quality turns informal arrangements into official, enforceable standards. This shift demands definition, arbitration, and accountability for every rule.

Automation and Formalization

When IT deploys a rules engine, each correction ceases to be a simple tweak and becomes a permanent decision. The technology then requires a formal framework to prevent later challenges.

This shift from empirical to formal exposes historical disagreements: two departments might apply the same rule differently, and automation lays bare the inconsistency.

The impact is reflected in timeframes: every rule deployment ends in inter-service arbitration cycles, whereas a manual fix would have remained invisible and one-off.

The Protective Grey Zone

Before industrialization, the “grey zone” of local fixes provides a safety net. Teams adjust data contextually without committing to a single authoritative source.

This flexibility is paradoxically a hindrance: it shields the organization from audits but prevents process consolidation and scaling of validation workflows.

Every formal advancement delays rule automation until all stakeholders have validated its scope and effects, creating a vicious cycle of indecision.

Process Slowdown

Rather than accelerating, rule industrialization can slow the data processing cycle. Each new rule undergoes testing, validation, and arbitration—undermining agility. To avoid these slowdowns, leverage CI/CD pipelines that speed up your deliveries without compromising quality.

This organizational complexity turns a data quality project into a political battlefield, where the stake is no longer the data but the power to decide.

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Data Traceability: The Strategic Lever

Contextualized traceability reveals the origin, transformations, and business impact of every data element. It builds trust, simplifies root cause analysis, and ensures compliance.

Origin and Transformations

Identifying the exact source (application, data stream, user) and the collection date is the first step. Without this foundation, it’s impossible to distinguish an incident from a historical artifact.

Documenting each transformation (ETL/ELT processes, corrections, enrichments) then allows you to reconstruct the data’s journey from creation to consumption.

This granularity provides valuable insight to pinpoint where an anomaly occurred and quickly understand the technical and business context in which it arose.

Usage-Oriented Observability

Beyond raw traceability, data must be linked to its end uses: reporting, dashboards, AI models, or business processes. This facilitates impact analysis in case of change.

A good lineage system enables you to simulate the consequences of a rule change on key metrics without putting an outdated version into production.

The goal is to provide business teams and IT with a shared, clear, and interactive view so they can collaborate on rules without conflicts and wasted time.

Auditability and Compliance

Traceability is often seen as a regulatory burden (GDPR, SOX, IFRS), but it can become an efficiency lever for review and certification processes.

A clear history of corrections and approvals accelerates internal and external audits by providing a structured audit trail instead of a heap of indecipherable logs.

Furthermore, the ability to replay the past makes it possible to restore the decision-making environment as of a specific date—essential for post-mortem analyses.

Example: A major public sector organization cut its audit time by 70% by automatically linking each report to the rule versions in effect at the time of publication. This implementation demonstrated the value of contextualized data lineage.

Governance and Decisions: What a Committee Must Decide

Distributed, versioned, and transparent governance distributes decision-making authority, prevents deadlocks, and ensures seamless production deployment of rules.

Prioritizing Critical Data

The committee should identify strategic data sets (financial reporting, business KPIs, customer data) to focus operationalization efforts on what generates the most value and risk.

Classifying these data by criticality lets you determine a processing order and tailor the expected level of proof and traceability to each use.

This prevents resource dilution and ensures a quick return on investment, while guiding the maturation of data governance.

Assigning Responsibilities

Once priorities are set, each business rule must have a clear owner responsible for its definition, evolution, and arbitration.

IT’s role is then to implement and automate the rules without bearing the responsibility for deciding business content or the scope of exceptions.

Example: In a Swiss multinational, a committee comprising the CIO, business owners, and compliance formalized a RACI matrix for each quality rule. This governance unlocked the industrialization of over 200 rules in six months.

Arbitration Mechanisms and Versioning

The committee must define an arbitration process for disagreements, with clear escalation criteria and deadlines. A simple RACI is often enough to avoid endless deadlocks.

A rule versioning model, combined with a deprecation policy, allows for managing updates without interrupting existing workflows or multiplying exceptions.

In case of a dispute, the version in effect on a given date must be retrievable in a few clicks, ensuring transparency and responsiveness during audits or incidents.

Industrialize Your Data Quality to Build Trust and Boost Performance

Data quality at scale is not about tools but about processes and governance. Organizational roadblocks, the shift from a grey zone to official standards, contextual traceability, and distributed governance form the pillars of a successful approach.

By structuring ownership, prioritizing critical data, and establishing clear versioning mechanisms, you turn data quality into a genuine competitive advantage.

Our architects and Edana consultants are ready to help define your sustainable digital transformation strategy, implement processes, and equip your organization—without vendor lock-in and with a modular, secure approach.

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By Mariami

Project Manager

PUBLISHED BY

Mariami Minadze

Mariami is an expert in digital strategy and project management. She audits the digital ecosystems of companies and organizations of all sizes and in all sectors, and orchestrates strategies and plans that generate value for our customers. Highlighting and piloting solutions tailored to your objectives for measurable results and maximum ROI is her specialty.

FAQ

Frequently Asked Questions about Data Quality at Scale

What are the main organizational barriers to industrializing Data Quality?

One of the major barriers is the lack of clear responsibilities: without a defined owner for each rule, IT hesitates to formalize processes. Fragmented governance across IT departments, business units, and compliance leads to decision-making silos and long arbitration cycles. Finally, moving from an empirical gray area to enforceable standards requires structured decisions, often delayed by the absence of a steering committee and escalation procedures.

How can responsibilities and Data Quality rules be clearly defined?

Creating a RACI matrix for each set of rules is essential: the business owner defines the rule, IT implements it, and compliance validates the regulatory requirements. A multidisciplinary governance committee should be established to arbitrate conflicts according to clear deadlines and criteria. Each rule should be versioned and documented to ensure ongoing traceability and accountability.

How can contextual data traceability be implemented?

You must first identify the data's origin (application, pipeline, user) and then record each transformation (ETL, enrichment, correction). A data lineage tool should link these steps to the final business uses (reports, AI models). This level of granularity allows you to reconstruct the complete path, simplifying impact analysis and strengthening confidence during internal and external audits.

Which key performance indicators (KPIs) should be tracked to assess Data Quality?

Key KPIs include record validity rate, completeness rate of critical fields, and average time to resolve anomalies. You can also measure lineage coverage (percentage of data with historical records) and adherence to correction SLAs. These indicators, aligned with business priorities, enable continuous improvement and demonstrate the value of Data Quality at scale.

What arbitration and versioning processes should be adopted for quality rules?

It is recommended to use a rule management platform with automatic versioning. Each new version should go through an approval workflow that includes testing and business validation. The arbitration process, with predefined deadlines, should allow disagreements to be quickly escalated to the governance committee. The deprecation policy must document the transition between versions to avoid service disruptions.

What best practices should be used to integrate Data Quality into a CI/CD pipeline?

Integrate data quality tests from the development phase by using automated scripts in your CI pipeline. Every merge request triggers data quality rule checks with immediate anomaly reporting. Then deploy validated rules to production environments via CD. This approach ensures agility and impact control without slowing down deliveries.

How should critical data sets be prioritized in a Data Quality project?

The governance committee should identify the data with the highest value and risk: financial reporting, business KPIs, customer data. By ranking them according to criticality, you can tailor the required level of control and traceability. This prioritization focuses resources on high-impact cases, ensuring quick ROI and gradual maturity of your data governance.

Which mistakes should be avoided when moving from the gray area to formal governance?

Avoid industrializing without prior arbitration: implementing rules without consensus blocks deployment and creates conflicts. Do not underestimate documentation: without business context, traceability loses its value. Finally, don't overlook versioning: without a clear policy, you risk production interruptions and a proliferation of exceptions.

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