I was asked this week about how to combine the marketing functions of two businesses that were about to merge. It’s a question that comes up surprisingly often, particularly as more businesses look to grow through acquisition. Merging marketing teams successfully requires careful planning across people, culture, strategic focus, client relationships, supplier arrangements, and technology infrastructure. Having worked with several businesses through this process, I thought it would be helpful to share some practical thoughts on how to approach this challenge.
Understanding Your Starting Point
Before you can effectively merge marketing teams, you need a clear picture of what you’re working with. This means conducting a thorough audit of both marketing departments, looking at team structures, skill sets, existing campaigns, and performance metrics [1]. One organisation might bring digital expertise whilst the other has strong traditional marketing capabilities [2]. Understanding these complementary strengths early on helps you make informed decisions about team structure and resource allocation.
The assessment phase should also examine your existing marketing technology stack, including CRM systems, marketing automation tools, and analytics platforms [3]. Many businesses discover they’re running duplicate systems that serve the same purpose, which creates unnecessary complexity and cost. Mapping out all contracts, subscriptions, and vendor relationships at this stage prevents surprises later [4].
People and Culture Integration
The human element of merging marketing teams often determines whether the integration succeeds or fails. Research suggests that cultural differences and talent retention are amongst the most common post-merger integration challenges [5]. Your marketing people need to understand not just what’s changing, but why it matters and how it benefits them and the customers they serve.
I recommend involving team members from both organisations early in the integration planning process [6]. This collaborative approach builds trust and creates shared ownership of the new marketing function. People who feel consulted and valued during the transition are far more likely to stay engaged and productive. Set clear expectations about roles, reporting lines, and decision-making authority from day one [7].
Addressing Team Concerns
Uncertainty breeds anxiety, and mergers create plenty of uncertainty. Be transparent about what you know and what you don’t know yet [8]. Hold regular communication sessions where team members can ask questions and voice concerns. When redundancies are inevitable, handle them professionally and compassionately, ensuring remaining staff understand their secure position in the new structure [9].
Strategic Focus and Brand Integration
One of the most critical decisions in merging marketing teams involves determining your brand strategy. Will you maintain both brands, adopt one brand identity, or create an entirely new brand [10]? This decision should be driven by strategic considerations such as brand equity, market position, customer recognition, and SEO performance [1].
Research from McKinsey indicates that companies which involve marketing significantly in pre-close planning and develop a clear value proposition before launching integration efforts achieve substantially better outcomes [7]. Your value proposition becomes the north star that guides all subsequent integration decisions, from messaging and positioning to campaign priorities and resource allocation.
Creating Consistent Messaging
Once you’ve determined your brand strategy, develop comprehensive brand guidelines that incorporate elements from both organisations [11]. These guidelines should cover visual identity, tone of voice, key messages, and approved assets. Making these resources easily accessible through a centralised repository ensures everyone works from the same playbook [1].
Client Overlap and Customer Management
Understanding client overlap between the two businesses is essential for maximising revenue synergies and avoiding customer confusion [12][13]. Map out your combined customer base, identifying accounts that both organisations serve, those unique to each business, and white space opportunities where you can cross-sell or upsell.
For overlapping clients, coordinate carefully to present a unified message about the merger and its benefits [7]. These customers need reassurance about continuity of service, clarity about who their account contacts will be, and information about enhanced capabilities available through the merged organisation. Consider having senior leaders reach out personally to your most valuable accounts during the transition period.
Supplier and Vendor Consolidation
Most businesses find significant opportunities to reduce costs and improve efficiency through supplier consolidation after a merger. When two marketing teams merge, they typically bring duplicate relationships with agencies, technology vendors, media buyers, and other service providers [8].
Start by mapping all existing supplier contracts, noting contract terms, spend levels, and performance quality [14]. Identify where you’re paying for redundant services and where consolidation makes strategic sense. However, don’t rush this process [4]. Transparent communication with suppliers and carefully managed transitions prevent service disruptions that could impact your marketing effectiveness.
Technology Stack Integration
Consolidating your marketing technology stack requires particular attention, as these systems form the operational backbone of modern marketing functions [15]. Choose a single CRM as your system of record and migrate data in controlled phases, starting with high-value workflows such as active campaigns and deals [3]. Attempting to run parallel systems indefinitely creates data inconsistencies, reporting problems, and operational inefficiencies.
Implementation Timeline and Quick Wins
Successful merging marketing teams requires balancing speed with thoroughness. Focus your day-one activities on a short list of critical tasks: securing key talent, communicating the integration story to customers, sharing an immediate tangible benefit, and clarifying the marketing organisation structure [7].
Resist the temptation to tackle everything at once [7]. Prioritise initiatives based on their impact on revenue synergies and customer experience. Look for quick wins that demonstrate the value of integration, such as combining email lists for broader reach or cross-promoting products to each customer base. These early successes build momentum and confidence in the integration process.
Studies indicate that companies implementing full marketing integration as part of their post-merger strategy achieve up to twice as much revenue synergies compared to those taking a minimal approach [10]. The effort required to properly merge marketing teams pays substantial dividends in terms of growth, efficiency, and competitive positioning.
References and Further Reading
[1] 5 Best Practices for Centralising Marketing Post-Merger. https://www.cardinaldigitalmarketing.com/healthcare-resources/blog/5-best-practices-for-centralizing-marketing-post-merger/
[2] 4 Whats and 7 Hows for the Combining of Marketing Teams. https://www.flock-associates.com/thinking/4-whats-and-7-hows-for-the-combining-of-marketing-teams-post-business-merger/
[3] Merging Your Martech Stack Post M&A Integration. https://www.pioneermanagementconsulting.com/insights/merging-your-martech-stack-post-ma-integration
[4] How to Ensure Effective Supplier Consolidation Post-M&A. https://procurementmag.com/supply-chain-management/scala-on-post-merger-supply-chain-integration
[5] Post-Merger Integration Challenges. https://mnacommunity.com/insights/post-merger-integration-challenges/
[6] Harnessing Brand and Product Strategies for Post-Merger Success. https://www.modularmanagement.com/blog/harnessing-brand-and-product-strategies-for-post-merger-success
[7] Integrating Marketing and Brand in M&A. https://www.mckinsey.com/capabilities/m-and-a/our-insights/integrating-marketing-and-brand-in-ma-the-way-to-superior-growth
[8] Vendor Consolidation During M&A Should Be a Top Priority. https://www.wtwco.com/en-gb/insights/2024/12/vendor-consolidation-during-m-and-a-should-be-a-top-priority
[9] A Robust Talent Retention and Engagement Strategy. https://blog.acquire.com/merger-integration-best-practices/
[10] M&A Marketing and Brand Integration: Best Practices. https://dealroom.net/blog/m-a-marketing
[11] How Marketing Teams Can Navigate an M&A. https://www.yesandbeacon.com/blog/b2b-marketing-m-a-management
[12] Customer Overlap Analysis in Post-Merger Integration. https://precisionmarketdata.com/customer-overlap-analysis-in-ma-unlocking-growth-in-post-merger-integration/
[13] Growth During M&A Integration. https://ddavisconsulting.com/how-we-help-clients/growth-during-ma-integration/
[14] Supplier Consolidation: What It Is, Benefits, and Risks. https://www.spendflo.com/blog/supplier-consolidation
[15] M&A Tech Stack Consolidation. https://www.revblack.com/guides/merger-acquisition-tech-stack-consolidation
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