CIO Guide: Achieve Zero Downtime with Data During M&A

Mergers create data chaos. Learn how CIOs can unify data, avoid downtime, and deliver visibility in weeks—not months.


Ali Z.

𝄪

CEO @ aztela

Table of Contents

Data Modernization Roadmap

Dealing with data chaos, low quality, and zero ROI? Get the 90-Day Roadmap to go from chaos to clarity align data to ROI and unlock AI readiness.

schedule data assesement

Data Modernization Roadmap

Dealing with data chaos, low quality, and zero ROI? Get the 90-Day Roadmap to go from chaos to clarity align data to ROI and unlock AI readiness.

schedule data assesement

Why Data Is the #1 Risk Factor in M&A

Every CIO knows the feeling:

  • No visibility into either company’s numbers.

  • Leadership asking for reports no one trusts.

  • Dozens of overlapping tools, disconnected systems, and no unified truth.

  • Pressure to deliver “synergies” while flying blind.

Here’s the reality: you don’t need a 12-month migration to fix this.
You need a lean, business-first data strategy that delivers results in weeks.

Step 1: Assess Data Maturity on Both Sides

Every merger involves two companies at very different stages of data maturity. Before moving anything, ask:

  • What platforms are in use (CRM, ERP, warehouse)?

  • Do they have a real data stack or just Excel power users?

  • Is data used operationally or just for dashboards?

  • Where are the biggest trust gaps?

📌 Pro tip: The bigger company doesn’t always have better data. Often, it’s the opposite.

Step 2: Start with High-Value, Low-Complexity Data

Don’t try to unify everything on Day 1.

Ask:

  • What data do we need immediately to evaluate business health?

  • Which datasets are clean and already trusted?

  • Which metrics drive investor confidence and board reporting?

In most M&As, finance and sales data are the best starting points.
This becomes your data MVP—actionable in 2–4 weeks.

Step 3: Separate Analytics from Tech Migrations

ERP migration ≠ analytics visibility.

CIO mistake #1: treating them as the same initiative.

ERP timelines stretch months (or years). Your exec team can’t wait.
Build an analytics layer independent of ERP to provide real visibility now.

Step 4: Centralize, Don’t Over-Engineer

Once you’ve picked the starting data, bring it into one trusted place:

  • Cloud warehouse (Snowflake, BigQuery, Databricks)

  • Lightweight modeling (dbt optional)

  • Simple dashboards (Looker, Tableau, even Sheets)

The goal isn’t perfection. It’s ending spreadsheet chaos and Slack pings for numbers.

Step 5: Build a Roadmap That Maps to Business Value

From here, use a Value vs Complexity matrix to prioritize what’s next.

Run stakeholder interviews across finance, sales, marketing, and ops:

  • What decisions do they need to make today?

  • Which KPIs are broken or untrusted?

  • Where is adoption lowest?

This gives you a roadmap that scales trust, not just tech.
See our data strategy framework for how we run this with clients.

What the Timeline Looks Like

Week 1–2: Interviews + maturity audit → unify finance + sales into dashboards
Week 3–6: Add marketing, revenue ops, CS data → establish single source of truth
Week 6–12: Standardize definitions, add ownership + governance, expand scope

This is how CIOs achieve zero downtime while delivering clarity to the exec team.

Blunt Bottom Line

You don’t need to fix everything to succeed in M&A.
You need a fast data MVP, visible KPIs, and a roadmap tied to ROI.

If you want visibility in weeks—not quarters—Book a Data Strategy Assessment.

We’ll show you exactly how to unify the right data fast, avoid downtime, and deliver exec-ready dashboards while your peers are still stuck in migrations.

[

Help & Support

]

Frequently

Asked Questions

Schedule a data strategy assesment to start your data driven growth. There will recive answers to all questions, clear roadmap and next steps in jour data journey.

Why is data such a big risk during M&A?

Because metrics are inconsistent across companies, systems overlap, and executives lose visibility during critical integration.

How long does it take to unify data post-M&A?

With a lean strategy, you can deliver a trusted “data MVP” in 2–6 weeks—not 12 months.

What’s the first data to unify after a merger?

Finance and sales data, since they drive revenue visibility, investor confidence, and board reporting.

Do we need to wait for ERP migrations to build analytics?

No. Analytics and ERP migration are separate. Build analytics independently so execs have clarity while migrations continue.

How do I ensure zero downtime in M&A data strategy?

Centralize high-value data fast, separate analytics from ERP, and build a phased roadmap tied to ROI, not tool complexity.

Why is data such a big risk during M&A?

Because metrics are inconsistent across companies, systems overlap, and executives lose visibility during critical integration.

How long does it take to unify data post-M&A?

With a lean strategy, you can deliver a trusted “data MVP” in 2–6 weeks—not 12 months.

What’s the first data to unify after a merger?

Finance and sales data, since they drive revenue visibility, investor confidence, and board reporting.

Do we need to wait for ERP migrations to build analytics?

No. Analytics and ERP migration are separate. Build analytics independently so execs have clarity while migrations continue.

How do I ensure zero downtime in M&A data strategy?

Centralize high-value data fast, separate analytics from ERP, and build a phased roadmap tied to ROI, not tool complexity.

[

Help & Support

]

Frequently

Asked Questions

Schedule a data strategy assesment to start your data driven growth. There will recive answers to all questions, clear roadmap and next steps in jour data journey.

Why is data such a big risk during M&A?

Because metrics are inconsistent across companies, systems overlap, and executives lose visibility during critical integration.

How long does it take to unify data post-M&A?

With a lean strategy, you can deliver a trusted “data MVP” in 2–6 weeks—not 12 months.

What’s the first data to unify after a merger?

Finance and sales data, since they drive revenue visibility, investor confidence, and board reporting.

Do we need to wait for ERP migrations to build analytics?

No. Analytics and ERP migration are separate. Build analytics independently so execs have clarity while migrations continue.

How do I ensure zero downtime in M&A data strategy?

Centralize high-value data fast, separate analytics from ERP, and build a phased roadmap tied to ROI, not tool complexity.

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Join 1.000+ subscribers.

GET DATA STRATEGY INSIGHTS STRAIGHT TO YOUR INBOX - BUILT FOR ROI, TRUST, AND AI READINESS.

As a welcome gift, you’ll get The 90-Day Data Modernization Roadmap
a concise guide showing how Heads of Data, CIOs, CTOs, IT leaders, COOs, and CFOs simplify their data stack, rebuild trust, roll out data strategy, governance and unlock business-ready AI in just 90 days.

GET DATA STRATEGY INSIGHTS STRAIGHT TO YOUR INBOX - BUILT FOR ROI, TRUST, AND AI READINESS.

Join 5.000+ subscribers.

As a welcome gift, you’ll get The 90-Day Data Modernization Roadmap
a concise guide showing how Heads of Data, CIOs, CTOs, IT leaders, COOs, and CFOs simplify their data stack, rebuild trust, roll out data strategy, governance and unlock business-ready AI in just 90 days.

Join 1.000+ subscribers.

GET DATA STRATEGY INSIGHTS STRAIGHT TO YOUR INBOX - BUILT FOR ROI, TRUST, AND AI READINESS.

As a welcome gift, you’ll get The 90-Day Data Modernization Roadmap
a concise guide showing how Heads of Data, CIOs, CTOs, IT leaders, COOs, and CFOs simplify their data stack, rebuild trust, roll out data strategy, governance and unlock business-ready AI in just 90 days.

Turning data into clarity, confidence, and growth.

© 2025 Aztela. All rights reserved. | Data consulting for clarity, growth, and confidence.

Aztela provides data consulting and analytics services. All information on this site is for general informational purposes only and does not constitute financial, legal, or medical advice. While we work with regulated industries including healthcare, pharmaceuticals, and finance, our services are advisory in nature and do not replace professional judgment or compliance obligations. Aztela is committed to data privacy and security; however, we accept no liability for actions taken based on the content of this website. Please consult appropriate professionals before making decisions based on data insights.

© 2025 Aztela. All rights reserved. Registered in Slovenia, Company No. SI-45892367

Turning data into clarity, confidence, and growth.

© 2025 Aztela. All rights reserved. | Data consulting for clarity, growth, and confidence.

Aztela provides data consulting and analytics services. All information on this site is for general informational purposes only and does not constitute financial, legal, or medical advice. While we work with regulated industries including healthcare, pharmaceuticals, and finance, our services are advisory in nature and do not replace professional judgment or compliance obligations. Aztela is committed to data privacy and security; however, we accept no liability for actions taken based on the content of this website. Please consult appropriate professionals before making decisions based on data insights.

© 2025 Aztela. All rights reserved. Registered in Slovenia, Company No. SI-45892367

Turning data into clarity, confidence, and growth.

© 2025 Aztela. All rights reserved. | Data consulting for clarity, growth, and confidence.

Aztela provides data consulting and analytics services. All information on this site is for general informational purposes only and does not constitute financial, legal, or medical advice. While we work with regulated industries including healthcare, pharmaceuticals, and finance, our services are advisory in nature and do not replace professional judgment or compliance obligations. Aztela is committed to data privacy and security; however, we accept no liability for actions taken based on the content of this website. Please consult appropriate professionals before making decisions based on data insights.

© 2025 Aztela. All rights reserved. Registered in Slovenia, Company No. SI-45892367