How to build a 90-day marketing plan for a small business (with a simple template)

Most small businesses don't have a marketing problem. They have a planning problem.

They post when there's time, boost a post when sales feel slow, and try a new channel whenever someone recommends one. Each of those things can work. Done randomly, none of them adds up.

A 90-day marketing plan fixes that. It's long enough to see real results and short enough that you can't hide behind "we'll get to it next quarter". This guide shows you how to build one in an afternoon, with a simple template at the end.

Why 90 days works better than a yearly plan

Annual marketing plans look impressive and are usually out of date by March. Your offer changes, a channel stops working, a competitor launches something. A 12-month document can't keep up.

Ninety days hits a useful middle ground:

• Long enough to learn. Most channels need 6–10 weeks of consistent effort before you can tell what's working. Ads need time to optimise; content needs time to find its audience.
• Short enough to stay focused. You can realistically hold one goal and two or three channels in your head for a quarter.
• Easy to review. At the end of 90 days you keep what worked, drop what didn't and write the next plan with real numbers instead of guesses.

Step 1: Pick one goal that matters to the business

Start with the business, not the marketing. What needs to be true in 90 days for this quarter to feel like a win?

Good goals are specific and tied to revenue:

• "Get 30 qualified enquiries a month from our website."
• "Book 12 sales calls with B2B companies in Pune and Bengaluru."
• "Sell 400 units of our new product range online."

Weak goals sound busy but don't move the business: "grow our Instagram", "improve brand awareness", "post more". Followers and reach can be part of the plan, but they're the means, not the goal.

One goal is the rule. Two goals split your attention. Three goals mean you don't have a plan, you have a wish list.

Step 2: Work backwards to the numbers

Once you have a goal, work backwards to see what it takes. Say you want 10 new clients this quarter, and from past experience about one in four sales calls becomes a client:

If you don't know your conversion rates yet, make a sensible guess and treat the first month as a test. The point isn't precision. It's seeing whether your goal is realistic and which stage is the real bottleneck.

Often this exercise changes the plan completely. If your website converts at 0.5%, doubling traffic is expensive; fixing the website is cheap.

Step 3: Get clear on who you're for and what you say

Before choosing channels, write down two things in plain language.

Who you're for. Not "everyone who needs X". Describe the customer most likely to buy, most profitable to serve and easiest to reach. Their role, their business size, their location, and the moment they start looking for someone like you.

What you say. One sentence on the problem you solve and why you're the better choice. If you can't say it simply, your ads, posts and website won't either.

This step takes an hour and saves you months of content that's technically fine but speaks to nobody in particular.

Step 4: Choose two or three channels, not seven

Here's where most plans go wrong. It's tempting to be everywhere: Instagram, LinkedIn, YouTube, Google Ads, SEO, email, WhatsApp. With a small team, that means doing seven things badly.

Pick two or three channels based on where your customers already spend attention and how they buy:

A useful default for many founder-led businesses: one channel that builds trust (LinkedIn or Instagram content), one that captures demand (Google or Meta ads, or SEO) and one that follows up (email or WhatsApp).

Step 5: Turn it into a weekly rhythm

A plan only works if it turns into a calendar. For each channel, decide what happens every week:

• Content: "3 LinkedIn posts and 1 carousel a week, planned on Mondays."
• Ads: "Review campaigns every Tuesday; test one new creative every two weeks."
• Follow-up: "Every enquiry gets a reply within two hours and a follow-up on day 3 and day 7."
• Website: "One landing page improvement every two weeks."

Then block the time. If it isn't in someone's calendar, it won't happen, especially if that someone is you.

Step 6: Decide what you'll measure (and ignore the rest)

Track a handful of numbers every week, all connected to your goal:

1. Leading indicators: website visitors, reach on your main channel, ad cost per click.
2. Conversion numbers: enquiries, calls booked, cost per enquiry.
3. Business results: clients won, revenue, average deal size.

One simple spreadsheet is enough. What matters is reviewing it every week and asking one question: what will we do differently next week?

Step 7: Set three checkpoints

Split the 90 days into three 30-day blocks, each with a different job:

• Days 1–30: Set up and launch. Fix tracking, sharpen the website, launch the channels, publish consistently. Don't judge results yet.
• Days 31–60: Test and learn. Compare messages, offers and audiences. Cut what's clearly not working. Double down on early winners.
• Days 61–90: Scale what works. Put more time and budget behind the best-performing channel and message. Start drafting the next quarter's plan.

A simple 90-day marketing plan template

Copy this into a doc and fill it in. If it doesn't fit on one page, it's too complicated.

Common mistakes to avoid

• Changing direction every two weeks. Give each channel enough time to produce data before you judge it.
• Skipping tracking. If you can't see where enquiries come from, you'll end up cutting the wrong things.
• Planning content without a goal. Every piece of content should help someone move one step closer to buying.
• No owner. "The team will handle it" means nobody will. Every channel needs one named person.

Frequently asked questions

What should a 90-day marketing plan include?

One business goal, the numbers behind it, a clear description of your customer and message, two or three channels with weekly activities, a short list of metrics, owners for each channel, and checkpoints at days 30, 60 and 90.

How much budget do I need for a 90-day marketing plan?

It depends on your goal and channels. Organic channels like content and SEO mainly cost time; paid channels need an ad budget on top. Work backwards from your goal: if you need 80 enquiries and your expected cost per enquiry is known, the budget follows from that.

Can I write a 90-day marketing plan myself?

Yes. Many founders do, and this template is enough to start. The hard part isn't writing the plan; it's running it consistently for 90 days while also running the business.

What happens after 90 days?

Review the numbers, keep the channels and messages that worked, drop the rest and write the next plan. Each quarter's plan gets sharper because it's based on real results.

The bottom line

A good 90-day marketing plan fits on one page: one goal, two or three channels, a weekly rhythm and a few numbers you actually check. It won't be perfect on day one, and it doesn't need to be. It needs to be clear enough to act on and short enough to review.

If you'd like help building yours, our 90-Day Marketing Plan does exactly this for you: an audit of your current marketing, a clear plan and the basics set up, yours to keep whether we run it or you do. Or book a free 30-minute clarity call and leave with a simple plan either way.

• marketing plan
• 90-day plan
• small business
• founders
• marketing strategy