Proyecto de Post-Merger Integration (PMI) liderado mediante Interim Management en una empresa industrial

PMI in a medium-sized industrial company

How an Interim Management Project Can Transform an Acquisition into Profitable Growth

An article by Joaquín Gutiérrez Duque
Commercial Director | Commercial Strategy | Business Development

Acquisitions between mid-sized companies are often seen as a fast way to enter new markets, expand capabilities, or accelerate growth. However, the real complexity begins after the deal is signed. Operational, commercial, and cultural integration between both organizations is, in many cases, the factor that determines whether the transaction will create value or become a source of internal friction and reduced profitability.

Summary

This case illustrates how the implementation of a Post-Merger Integration (PMI) methodology, led through an interim management role, transformed a business acquisition into a genuine growth opportunity. The experience demonstrates that an interim management project can provide the structure, focus, and execution capability needed to integrate teams, capture synergies, and minimize risks in M&A processes within the mid-sized business environment.


I had the opportunity to participate as a member of the Integration Committee responsible for governing a post-merger integration process between two industrial companies in the construction materials sector. My role combined commercial management and marketing responsibilities, with a very clear objective: capturing the commercial synergies of the transaction and transforming two independent organizations into a unified business project.

The purpose of the acquisition was to accelerate entry into a new market segment complementary to the acquiring company’s traditional business, incorporating new channels, new customer types, and a product range that significantly expanded the company’s value proposition.

However, the starting point reflected many of the common challenges associated with these types of transactions in mid-sized companies: different corporate cultures, poorly documented processes, heterogeneous information systems, and a definition of synergies that was more conceptual than operational. All of this took place under the pressure of maintaining normal business operations while the integration moved forward.

Applying PMI Methodology in a Mid-Sized Company

The Post-Merger Integration methodology provided the framework that turned a complex corporate transaction into a manageable project with clear priorities, defined responsibilities, and shared metrics.

Rather than replicating the excessively rigid models typically used by large corporations, the approach focused on adapting PMI best practices to the reality of a mid-sized industrial company: prioritizing what truly mattered, simplifying governance, and maintaining a strong practical orientation.

The first step was to carry out a rapid yet in-depth assessment of both organizations, analyzing the business, organizational structures, and systems. More than simply revisiting the due diligence process, the objective was to validate which synergies could realistically be captured, with what level of effort, and within what timeframe.

From there, the project was structured into several workstreams: commercial and marketing, operations, organization, and systems. Each area had clearly assigned leaders and objectives aligned with the acquisition’s business case.

Governance and Execution Focus

One of the most important elements was establishing clear project governance through a lean Integration Committee with real decision-making and monitoring capabilities.

In mid-sized companies, where executives must simultaneously manage day-to-day operations and lead the integration effort, maintaining execution discipline is critical to preventing operational demands from completely absorbing the project.

To support this, a simple but effective dashboard was implemented, focused on key indicators: commercial performance in the new segment, customer retention, commercial integration milestones, reporting, and team stability.

Continuous visibility over these indicators made it possible to prioritize decisions and keep shareholder and management expectations aligned.

Integrating People, Cultures, and Value Proposition

Commercial and marketing integration was probably one of the most sensitive aspects of the project.

The work focused on building a shared value proposition, redefining commercial territories and responsibilities, harmonizing commercial policies, and developing shared tools and processes.

But beyond the technical dimension, much of the project’s success depended on change management. Integrating two companies also means integrating cultures, working dynamics, and different ways of understanding customer and market relationships.

In this context, taking the time to listen, identify internal leaders, and build a shared project narrative proved just as important as any organizational or commercial decision.

Collaborative dynamics and joint working sessions were also promoted to reduce uncertainty and accelerate the real integration of teams.

The Contribution of Interim Management in Integration Processes

The experience confirmed that, even in mid-sized transactions, approaching integration with methodology and specialized leadership makes the difference between simply acquiring a company and truly building a new growth platform.

From the perspective of interim management, these types of projects provide three particularly valuable elements:

  • Clarity in execution, defining priorities, responsibilities, and pace of progress.
  • The ability to accelerate the capture of commercial and operational synergies.
  • Risk reduction through proactive management of customers, people, and critical processes.

In many cases, the contribution of an external executive is not limited to temporarily filling a leadership gap, but rather introducing a proven methodology, bringing transformation experience, and acting as a catalyst for change.

Because in integration processes, true success does not lie in acquiring a company, but in ensuring that both organizations evolve together toward a model of greater value and sustainable growth.


At QMT, we have spent more than 25 years participating in interim management projects linked to growth, transformation, business integration, and change management, providing executive leadership and practical experience at strategic moments for organizations.