How Small and Mid-Sized Businesses Grow When Marketing Finally Has a Plan
By Antonio Montano, Founder, CMO360 Insights
Most business owners I meet are doing plenty of marketing. They post on Instagram a few times a week, send a newsletter when there's time, run a Google Ads campaign someone set up two years ago, and pay a freelancer to write blog posts. When I ask which of those activities brought in last quarter's best customers, the room usually gets quiet.
That silence shows up in the research too. Constant Contact surveyed 2,500 small business decision makers for its 2025 State of Small Business Marketing report and found that 37 percent had increased their marketing budgets that year. Only 18 percent said they felt very confident their marketing was working, down from 27 percent in 2024. More money went in, and fewer owners could say what came back out. A lot of small business growth stalls inside that gap without anyone noticing.
Why this matters more for smaller companies
Small businesses carry the U.S. economy. The SBA Office of Advocacy counts 36.2 million of them in its 2025 profile, accounting for roughly 46 percent of private sector employment. They also operate with very little room for error. Business Employment Dynamics data from the Bureau of Labor Statistics shows that about one in five new establishments closes within its first year, and roughly half are gone by year five.
Marketing is rarely the only reason a company closes. An unpredictable flow of new customers does make every other problem harder, though, from payroll to inventory to hiring. When Constant Contact surveyed newer small businesses earlier in 2025, 52 percent named customer acquisition as their top marketing challenge.
A large company can absorb a wasted quarter of ad spend. A 20-person company feels it in the bank account by the following month.
What the right marketing looks like at SMB scale
After more than two decades in B2B marketing, working with global life sciences brands and early stage startups alike, I've noticed that the businesses that grow steadily share a handful of habits. None of them require a big budget.
They know exactly who they are selling to
Growth starts with a narrow, well defined customer. When a business can describe its best buyer in detail (industry, company size, the problem that makes them pick up the phone, and the words they use to describe it), every message gets sharper and every dollar works harder.
McKinsey's Next in Personalization research makes the financial case. It found that 71 percent of consumers expect companies to personalize their interactions, and 76 percent get frustrated when that doesn't happen. Personalization most often produced a revenue lift of 10 to 15 percent, and faster growing companies drove 40 percent more of their revenue from personalization than their slower growing peers.
Smaller companies hold a real advantage here. The owner of a regional HVAC company or a specialty manufacturer often knows customers by name. The work is turning that knowledge into targeting, messaging, and offers that reach beyond the owner's personal relationships.
They choose fewer channels and run them well
Spreading a modest budget across seven channels usually produces seven mediocre results. The companies I see growing pick two or three channels that match how their buyers make decisions, then commit to them long enough to learn something.
Owned channels deserve more attention than they get. In Constant Contact's 2025 report, 44 percent of small businesses called email their most effective channel, nearly double the 23 percent who said so a year earlier. An email list belongs to the business. Reach on a social platform can shrink with the next algorithm update.
Focus matters at every company size. Gartner's 2025 CMO Spend Survey, which drew mostly from companies with more than $1 billion in revenue, found marketing budgets flat at 7.7 percent of revenue, and 59 percent of those CMOs said their budget was too small to execute their strategy. If enterprise marketing leaders feel that squeeze, a growing small business has even more reason to concentrate its resources.
They treat current customers as a growth channel
New customer acquisition gets most of the attention, and existing customers get whatever time is left. For most SMBs that order is backwards. A widely cited finding from Frederick Reichheld of Bain & Company, reported by Harvard Business Review, holds that a 5 percent increase in customer retention can raise profits by 25 to 95 percent. The range depends heavily on industry, so I'd read it as a direction more than a forecast. The direction is clear enough. Referral programs, post-purchase follow-up, and a simple customer newsletter tend to be some of the highest return projects a small business can take on.
They measure what the owner actually cares about
Likes, impressions, and open rates can be useful signals. An owner still needs to know cost per new customer, revenue per customer, and which sources produce the buyers who stay. Once those numbers are visible, budget decisions get easier and far less emotional.
Technology is no longer the bottleneck. Constant Contact found that 48 percent of small businesses now use AI in their marketing, most often to write email and social copy. What remains scarce is the judgment to decide what to build, in what order, and how to know whether it worked.
Why most SMBs struggle to put this together on their own
In most small and mid-sized companies, the owner is the de facto CMO. They set marketing direction in between running operations, managing people, and closing deals. Execution gets handed to a junior hire, a freelancer, or an agency that is very good at one channel and has little visibility into the business as a whole.
What you end up with is a lot of activity and nothing tying it together. Each piece may be done well, but nobody owns the plan, the budget allocation, or the scorecard. A full-time senior marketing executive would fix that, yet the salary and benefits for that role are hard to justify for a company still building its revenue base.
How CMO360 Insights helps clients grow
CMO360 Insights is a fractional CMO agency built for this situation. We give small and mid-sized businesses senior marketing leadership on a part-time basis, at a fraction of what a full-time executive would cost. We take ownership of the plan and stay involved through execution, so strategy never ends up as a slide deck sitting on a shelf.
Our work is organized around three pillars. 360 Strategy defines who you sell to, what you say, and where you show up. 360 Execution puts campaigns, content, lead generation, and website improvements into the market. 360 Insights builds the measurement that shows what's working and where the next dollar should go.
Every engagement follows our IMPACT framework:
• Intelligence: We study your market, competitors, customers, and current marketing performance before recommending anything.
• Map: We define your ideal customer, your positioning, and a channel plan that fits your buyers and your budget.
• Produce: We build the assets the plan calls for, from messaging and web pages to email programs and sales materials.
• Activate: We launch campaigns and connect marketing to your sales process.
• Calibration: We review results against the metrics you care about and adjust.
• Transform: We turn what works into repeatable systems your team can run as the business grows.
In practice, clients move through three phases with us. During Build, we put the foundation in place. During Launch, we take it to market. During Optimize, we refine based on real performance data. The pace depends on each company's starting point, and we agree on expectations together at the outset.
Our roots are in B2B, with deep experience in life sciences, biotech, and technology. We also work with service businesses and consumer brands that are ready to grow with more intention.
Five questions to ask about your marketing this week
Before you change anything, get an honest read on where you stand. These questions are a good place to start:
1. Can you describe your best customer in two sentences, and does your website speak directly to that person?
2. Do you know which two marketing channels produced the most revenue last year?
3. Do you know what it costs you to acquire a new customer?
4. When did you last reach out to customers who haven't purchased in six months?
5. Is one person accountable for your marketing plan and the results it produces?
If you answered no or not sure to two or more, you have plenty of company, and plenty of room to grow.
See where your marketing stands
We built the free SMB Marketing Scorecard so owners can get a clear baseline in about five minutes. It covers 18 questions across six dimensions of marketing performance and uses the same diagnostic framework we apply at the start of every client engagement. No email is required, and your results appear instantly.
Take the scorecard at cmo360insights.com, then book a free strategy call. We'll walk through your results together and show you where to focus first. There's no sales pitch, only a straightforward conversation about your marketing and your growth goals.
Sources
1. Constant Contact, Small Business Now: The State of Small Business Marketing, September 2025. https://news.constantcontact.com/2025-09-03-The-State-of-Small-Business-Marketing-Effort-is-Up-While-Confidence-Has-Declined
2. Constant Contact, Small Business Now report on new small businesses, March 2025. https://www.constantcontact.com/blog/small-business-now-2025-release/
3. U.S. Small Business Administration, Office of Advocacy, 2025 Small Business Profiles for the States, Territories, and Nation, June 2025. https://advocacy.sba.gov/2025/06/30/new-advocacy-report-shows-the-number-of-small-businesses-in-the-u-s-exceeds-36-million/
4. U.S. Bureau of Labor Statistics, Business Employment Dynamics, Establishment Age and Survival Data, Table 7. https://www.bls.gov/bdm/bdmage.htm
5. McKinsey & Company, The value of getting personalization right, or wrong, is multiplying (Next in Personalization 2021 Report), November 2021. https://www.mckinsey.com/capabilities/growth-marketing-and-sales/our-insights/the-value-of-getting-personalization-right-or-wrong-is-multiplying
6. Gartner, Gartner 2025 CMO Spend Survey Reveals Marketing Budgets Have Flatlined at 7.7% of Overall Company Revenue, May 2025. https://www.gartner.com/en/newsroom/press-releases/2025-05-12-gartner-2025-cmo-spend-survey-reveals-marketing-budgets-have-flatlined-at-seven-percent-of-overall-company-revenue
7. Amy Gallo, The Value of Keeping the Right Customers, Harvard Business Review, October 2014 (citing research by Frederick Reichheld of Bain & Company). https://hbr.org/2014/10/the-value-of-keeping-the-right-customers