So you’ve just acquired a company. Here’s your 100-day marketing plan.

A 100-day post-acquisition marketing plan runs in a fixed order and should begin with buyer research and positioning.Days 0 to 30 establish the target customer and message, days 31 to 90 build compounding content and SEO alongside same-quarter conversion improvements, and the last 10 days set the next priorities. Review and and reallocate the plan every month.

Key Takeaways

• Spend the first 30 days interviewing current buyers, validating the ICP and rewriting the positioning.
• From day 31, build the assets that become next year's pipeline: SEO, content, case studies, nurture, a CRM the team trusts.
• Run conversion fixes and tightly scoped paid alongside the compounding work, never instead of it.
• Sort every euro across three horizons: this quarter's pipeline, next year's demand, value at exit.
• The CRM, outbound list and sales deck all inherit from the validated positioning. Build them after it exists.
• Review every 30 days. Use days 91 to 100 to write the next 90-day roadmap.

The clock starts on closing day. The sponsor has a fixed hold period, marketing sits inside the value-creation plan, and nobody is going to give you extra quarters for figuring things out.

Here is the problem with most of what you'll find when you google this. The visible playbooks were written for billion-dollar acquisitions with specialist teams and budgets to match. You're an operating partner or value-creation lead, and you bought a 40 to 200-person company with a proven product, one or two marketers and no CMO. Different animal, different plan.

One principle carries the whole thing: every activity you fund inherits the message already in market. The website, the sales deck, the target account list, the content calendar and the paid media all repeat whatever answer currently exists to "who is our best customer and why do they pick us." If that answer is three years out of date, more budget just amplifies the wrong story.

So the order is the plan.

Why do most 100-day marketing plans fail?

We keep seeing the same two deaths.

The first is pure spend. Ads go live in week two, cold outbound starts in week three, the dashboard fills with activity, and six months later almost none of it still works because the budget stopped and nothing was built underneath it. Motion without progress.

The second is strategy without shipment. Workshops, decks, a positioning debate that's still open in month three while the hold period burns. The thinking is often good. It just never touches the market.

Both fail the same test: nothing compounds. The plan below is built to avoid both, in order.

How should you sort marketing spend by payback?

You can think about it as three horizons, sorted by how long the payback takes. Every euro and every senior hour goes into one of them.

Horizon 1 is this quarter’s revenue. Paid search, sales materials for opportunities already in the pipeline, and website fixes that convert more of the traffic already arriving. Feedback loop: days to weeks.

Horizon 2 is next year’s revenue. Content and SEO, email nurture, customer case studies, and a CRM that the team can trust. Payback runs 1 to 3 years, and it keeps paying after you stop feeding it.

Horizon 3 is value at exit. Positioning, category credibility, and the evidence that makes future revenue more believable to the next buyer. The feedback loop can outlast the hold period. That is exactly why this work starts on day one, not year three.

Most 40 to 200-person companies over-index Horizon 1 because it's the only one that shows up in this quarter's board deck. The big-firm plans over-index Horizon 3 and leave execution ownership vague.

The sequence that works: lay the Horizon 3 foundation first, then run Horizons 1 and 2 together from month two.

What should happen in days 0 to 30?

Positioning before media spend. Every time.

Positioning here means a current answer to three questions:

1. who is the best customer now,
2. what changed in their world, and
3. why do they choose you?

The website, sales deck, outbound list and content roadmap all inherit from that answer or everything flops. That sequencing is the foundation of marketing for the company you just bought. Guessing it is expensive.

A common post-close gap looks like this: the company has started winning larger, more sophisticated customers, but the message in market still speaks to the smaller customer it's growing out of. More traffic amplifies the mismatch. The first month should establish the current buyer before adding volume.

The work itself is unglamorous. 15 to 20 structured interviews across recent wins, expansions, lost deals and high-value prospects. You're listening for the buying trigger, the decision criteria, the objections, the alternatives they weighed, and the exact words they use. Then you lock the priority ideal customer profile (ICP), the messaging pillars, the target accounts, the website narrative and the 90-day roadmap.

A newly acquired Nordic software company we work with is a clean example. Around 60 people, 600+ customers, two marketers, no CMO. Strong product, high customer satisfaction, most deals arriving through word of mouth. And the marketing setup had barely kept pace: near-empty systems, a CRM still being chosen, a website speaking to the customer the company was leaving behind.

The first workstream was 15 to 20 interviews with the new upmarket buyers, followed by an ICP and messaging rewrite. The content, SEO and systems work were sequenced from that foundation. At this size, the initial positioning decision can be reached in roughly two weeks of focused work. The wider foundation continues as the website narrative, priority account list and roadmap are updated.

Stride’s Validation Sprint and Positioning Sprint cover this research and positioning work.

What should happen in days 31 to 90?

Two tracks, running in parallel. One builds, one converts.

Build what compounds

This is next year's pipeline getting built now: SEO and content, email nurture, customer case studies, use-case pages, clean customer data. None of it pays back this month. All of it supports discovery and hands sales better proof for the larger deals the new positioning is aimed at. The interviews from month one feed directly in here, because you already know the questions buyers ask and the words they use to ask them.

Ship what converts

Meanwhile, work the demand that already exists. Rewrite the highest-intent pages first. Strengthen sales materials for live opportunities. Fix the obvious website friction. Run tightly scoped paid tests against the newly validated buyer, small before large.

The sales and marketing systems move on the same clock. For the Nordic company, a specialist partner was scoped to audit the near-empty setup, build the CRM on the chosen platform, add outbound infrastructure and automation, train the team and hand the system over. No half-installed tools left for the two marketers to babysit.

Expansion into new countries was deliberately held for later. Sequencing means saying not-yet to good ideas, and that was a good idea.

What should happen in days 91 to 100?

Use the final 10 days to close the first operating cycle. Compare performance with the baseline. Decide what stops, what continues and what gets more budget. Assign clear owners, then write the next 90-day roadmap.

Day 100 should produce a sharper allocation of money and senior time. It should also confirm which assumptions still need customer evidence before the company expands the plan. If it looks like everything worked perfectly, look harder to make sure things were being measured honestly along the way.

How should you review the plan every 30 days?

Each horizon gets judged on the metric that fits its payback period. Judging SEO on week-six pipeline is how compounding work gets killed by its own dashboard.

• For Horizon 1, look at qualified pipeline, website conversion, opportunities advanced and sales-cycle friction.
• For Horizon 2, look at search visibility, qualified inbound, nurture response, case-study usage and CRM data quality.
• For Horizon 3, compare the positioning with the customers being won, lost and expanded, then update the message when the market evidence changes.

Re-sort spend and owner capacity every 30 days. Quick wins will land, the buyer mix will keep shifting, and the next constraint will change. No random acts of marketing.

FAQ

Get the order right for the company you just bought

The order is the whole plan. Get the story right, build what compounds, then spend to convert, and re-sort every 30 days.

If you want to see where your positioning is out of date before you commit to anything, the Positioning Teardown is the lighter first step: a review of who your best customer is now and where your current message still speaks to the one you are leaving behind. It sits under the value-creation hub, alongside the full picture of marketing for the company you just bought.

When you are ready to map the full 100 days, book a strategy session. You will leave with a bird's-eye plan, not a sales pitch.

Book a strategy session →