The acquisition has closed. Two businesses now sit under one roof – and so do their two marketing teams, running two sets of campaigns, two martech stacks, and two cultures. A senior leader now has a choice to make: keep both teams running as they are, or blend them into a single, reshaped function.
That decision shouldn’t be made on instinct, or on whoever argues their case hardest. Get it wrong, and marketing becomes the place where the two organisations quietly go to war with each other instead of the market. Get it right, and it’s one of the fastest ways to prove the acquisition’s value.
This article outlines how to make that call – and what to do once you have.
Start with the vision, not the org chart
Before any structural decisions get made, the integration team needs absolute clarity on why the deal happened. Where is the growth meant to come from? Where are the cost savings? Those answers determine which brands get combined, phased out, strengthened or invested in, and which products in the newly combined portfolio are strategically important enough to protect.
This matters because every subsequent decision – from headcount to martech to campaign priorities – should trace back to that logic. Teams can accept difficult decisions when they understand the reasoning behind them. What they can’t accept is change that feels arbitrary. If the investment case says one brand carries the growth story, say so, and explain what that means in practice. Ambiguity here is what fuels the sense that decisions are political rather than strategic.
Decide the brand architecture, then tell customers
One vision-level question can’t wait: what does the combined brand actually look like to the outside world? A house of brands, where each business keeps its own identity and its own relationship with its customers? A brand extension model, where one brand takes the lead and the other sits under it? Or a sister-businesses approach, distinct but visibly and deliberately connected?
Each answer changes the campaign calendars and what the in-flight go-to-market plans are actually building towards, so it needs deciding early rather than being left to emerge by accident.
Once decided, customers need to hear it directly – not infer it from a rebadged website or a change in who signs their emails. Years of trust sit in those existing relationships, and ambiguity about what’s changing and what isn’t spends that trust down fast. A clear, proactive update on what’s changing, what’s staying the same, and what it means for them closes the gap before a competitor fills it with a story of their own.
Manage the human cost of consistency
More often than not, two marketing teams from two companies will have learnt to operate in different ways. One might be fast and instinctive, the other more process-driven. Neither is wrong; they were simply built for different organisations. The new combined structure will demand consistency and coordination that doesn’t map cleanly onto either team’s previous way of working, and that’s where resistance builds.
Some individuals will feel genuinely threatened by the change. Others will feel like the junior partner in the relationship – particularly where their processes, tools or brand get replaced by the acquirer’s. Where roles and capabilities overlap – and they usually do – identifying that overlap and aligning it to actual need is unavoidable. But doing that without a plan for what comes next destroys motivation fast. The fix isn’t to avoid the difficult conversations; it’s to pair them with genuinely new areas of responsibility or capability as part of the reshuffle, so people can see a path forward rather than just a reduction.
Handled well, that reshuffle is also the best career development opportunity many of these people will get. A combined function needs broader remits, new specialisms, and leadership positions that didn’t exist in either business alone. Position the change as access to a bigger stage rather than a smaller slice of the old pie, and a conversation people were dreading becomes one they’re willing to lean into.
Where to actually start: the practical integration areas
Once the strategic and cultural groundwork is in place, four areas of practical work follow:
- Martech and sales enablement consolidation
Look for the opportunity to move both teams onto a single stack – particularly the martech and sales enablement platforms, subject to checking permissions, licensing, and legal position first. Real cost savings are often available here, and where one team has a stronger platform that the other isn’t using, that benefit should be extended rather than left underused.
- A genuine skills audit
This goes beyond current competency. Map what each person can do today and what they want to be doing next, then use that to shape the new structure rather than just filling gaps in it. These are people’s careers, not just roles on a chart, and an audit that only measures present-day skill will miss both the retention risk and the development opportunity sitting in unmet ambition.
- An audit of the underlying artefacts
Brand guidelines, vision documents, and strategic briefings are the control mechanisms that keep any team – and, increasingly, any AI model or AI agent supporting that team – aligned to the same standards. If these don’t exist in a consistent, current form, alignment work further down the line has nothing solid to sit on.
- A pragmatic check on overlap
Content calendars, communications schedules, and agency rosters frequently duplicate each other across two legacy organisations. There’s no reason to compete with yourself in market, and agency consolidation in particular can create real synergy – provided the disruption of changing suppliers mid-flow is weighed against the savings.
- Team feedback
Speak to the wider team – particularly those in commercial roles. Are the marketing efforts supporting them in their roles effectively to hit their numbers?
Sequence matters more than most integrations admit
The instinct in a merger is to move fast on everything at once. Resist it. Changing things around business as usual causes disruption, delay, and lost momentum, so the sequence should run from internal factors outward.
Start with the martech and database itself: its state, size, quality, and hygiene, and what campaigns are already live within it. Then assess the team – both as users of that technology and as a set of individual skills – and their current capacity to take on integration work on top of business as usual. Review the guard rails, such as brand guidelines and the availability of value props.
Only once that internal picture is clear should attention move outward, to understanding the combined audiences and pipeline, and the relationship with each sales force. This means you can base decisions in a pragmatic assessment of what you are working with.
Alongside this, map the measurement framework in place – from pipeline potential through to customer satisfaction and market share – so the combined team is working from one shared definition of success rather than two.
Audit the assets before you decide what to keep
With the internal and external pictures in place, turn to the work itself. Assess existing marketing assets for quality, consistency, and brand memorability – and flag any distinct brand assets worth protecting, regardless of the wider brand strategy decision. Then look at active campaign activity – including social calendars and ABM programmes – to build a clear picture of where the two organisations’ efforts overlap, conflict, or duplicate spend.
This produces a genuine gap analysis, and that analysis tends to fall into three areas: reshaping team responsibilities around the new structure, reshaping the enablers – such as martech and brand guidelines – so they support it, and reshaping ambitions by focusing the combined team on what actually matters next. From there, build a roadmap of iterative steps that moves the team towards the new operating model in stages – not a single big-bang relaunch.
The goal is a new culture, not a winner
The teams that come through integration well aren’t the ones where one side simply absorbs the other. They’re the ones where the process makes space to recognise what both sides built before the deal, and gives the combined team something new to feel proud of together. That’s the difference between two teams that tolerate each other and one team that actually performs.
Integrating marketing teams after an acquisition is rarely simple, but it doesn’t have to be adversarial. If you’re navigating this now and want a second opinion on sequencing, martech consolidation, or how to run the skills and asset audits, Velo can help you work through it.
Talk to Velo. Our consultancy team can run this audit alongside you, facilitate workshops, conduct research, and build an action plan with you, so business-as-usual keeps moving while the transformation gets done. Get in touch with Velo’s consultants to get started.