The Inbound Marketing Process Explained

The inbound marketing process turns strangers into customers by earning their attention with genuinely useful content, then guiding them through four stages: attract, convert, close and delight. Get it right and the people who reach your sales team already trust you, because they found you by solving a problem with your help, not because an ad interrupted them.
This guide walks through each stage, the tactics that work at each one, and the single metric that tells you it is working. It also clears up a common source of confusion: whether inbound has three stages, four or five.
The short version
- The inbound process has four working stages: attract, convert, close and delight. Each has one clear job.
- HubSpot now teaches three (attract, engage, delight) in its flywheel. The four-stage version simply splits "engage" into convert and close, so the two hardest steps are visible.
- Attract earns the right visitors. Convert turns them into leads. Close turns leads into customers. Delight turns customers into advocates.
- Done well, the leads that reach sales are already qualified, because they came through content that solved their problem.
- Measure each stage on its own number: traffic proves attract, new contacts prove convert, customers prove close, referrals and reviews prove delight.
How the inbound marketing process works
The purpose of inbound marketing is to attract potential customers with content that genuinely helps them, then guide them through their buyer's journey from awareness to decision. The inbound process is how you do that in practice: a repeatable set of stages, each with its own goal and tactics, that moves someone from a stranger who has never heard of you to a customer who recommends you.
The buyer's journey runs in three stages, and your content meets the prospect at each one:
The four stages of the inbound process map onto that journey: attract and convert meet awareness and consideration, close meets decision, and delight begins the moment they buy.
How many stages does inbound marketing have?
You will see inbound described as three stages, four or even five, which makes it look more complicated than it is. They are the same journey at different levels of detail.
HubSpot, which coined the modern methodology, now uses three stages in its flywheel: attract, engage and delight. The older funnel version uses four: attract, convert, close and delight. The only real difference is that the funnel splits HubSpot's "engage" into two visible steps, convert and close, so you can see how a lead actually becomes a customer. The "five stages" you sometimes meet usually adds a separate planning or nurturing step to the same activities.
We teach the four-stage version because the extra detail is where most businesses lose people. "Engage" quietly hides the two hardest jobs in inbound: capturing a lead, then earning the sale. Naming them separately makes each one something you can plan, measure and improve.
The four stages of the inbound marketing methodology
Attract
Attract is about earning visits from the right people, not just more traffic. The wrong visitors inflate your numbers and never buy; the right ones share a problem you can solve, so they are worth attracting.
That starts with knowing who they are. Build buyer personas first, semi-fictional pictures of your ideal customers, so every piece of content targets a real person with a real question at the stage of the journey they are at.
Tactics and tools to employ:
- SEO - to rank for the questions your personas search, so they find you at the moment they are looking.
- Content and blogging - to answer those questions more usefully than anyone else, using your best inbound tactics.
- PPC - to buy visibility while your organic presence builds.
- Social media - to amplify the content and give people an easy way to engage.
Metric that proves it: qualified organic traffic - visits from your target personas and the terms they search, not raw sessions.
Convert
Convert turns a visitor into a lead. A visitor becomes a lead the moment they trade some information, usually an email, for something they value.
Match the offer to the stage of the journey. Early on, a blog subscription or a checklist is enough. In the middle, a guide, webinar or template earns a real email. Later, a demo, free trial or consultation suits someone close to buying. Ask for too much too soon and people leave; ask for too little and you learn nothing about them.
Tactics and tools to employ:
- Content offers and landing pages - to give a clear reason to hand over details.
- Calls to action - to point visitors to the right offer at the right moment.
- Forms, live chat and chatbots - to capture information with as little friction as possible.
Metric that proves it: new contacts and the visitor-to-lead conversion rate.
Close
Close turns a qualified lead into a customer. By now they should be at the consideration or decision stage, so the job is to remove doubt and make the decision easy.
Most of that happens through nurture: a planned sequence of helpful follow-ups rather than a single sales push. A CRM is what makes this work at scale, recording every interaction so sales and marketing see the same history and time their follow-up around what the lead actually did. (Choosing one? See our comparison of HubSpot and Salesforce.)
Tactics and tools to employ:
- Lead nurturing - a sequence of emails that builds trust and answers the next question before it is asked.
- Marketing automation - to trigger the right message off a lead's behaviour.
- CRM - to track the full history of every contact and align sales with marketing.
- Reviews and testimonials - real-world proof that tips a decision.
Metric that proves it: lead-to-customer conversion rate and sales-cycle length.
Delight
Delight turns customers into advocates, and it runs through every stage, not just after the sale. A good experience earns referrals, reviews and repeat business; a poor one is visible to everyone considering you next. For more, see these examples of inbound done well.
Tactics and tools to employ:
- Customer service standards - so every interaction meets a known bar.
- Referral programmes - to reward happy customers for introducing others.
- Feedback loops - surveys, calls and reviews that tell you what to improve.
Metric that proves it: retention, referrals and review volume - the signals that customers would recommend you.
The inbound marketing process at a glance
| Stage | Goal | Key tactics | Metric that proves it works |
|---|---|---|---|
| Attract | Earn visits from the right people | SEO, content, PPC, social | Qualified organic traffic |
| Convert | Turn visitors into leads | Offers, landing pages, CTAs, forms | New contacts / conversion rate |
| Close | Turn leads into customers | Nurture, automation, CRM, proof | Lead-to-customer rate |
| Delight | Turn customers into advocates | Service, referrals, feedback | Retention, referrals, reviews |
Find new customers with inbound
The inbound marketing process is simple to describe and hard to run well, because the value is in doing every stage properly, not just the parts you enjoy. Map your personas, match offers to the journey, nurture with a CRM, and measure each stage on its own number.
If you would like help putting it into practice, that is what we do. Our inbound marketing team can audit where your process leaks and build the system to fix it, and as a HubSpot partner agency we can set up the CRM and automation behind it.
Frequently asked questions
What are the 5 stages of inbound marketing?
Inbound is most often described as four stages - attract, convert, close and delight - or three in HubSpot's flywheel (attract, engage, delight). "Five stages" usually splits the work further, adding a planning or analysis step or separating nurture from close. The activities are the same; only the level of detail changes.
Is inbound marketing 3 or 4 stages?
Both are correct. HubSpot's current flywheel uses three (attract, engage, delight); the classic funnel uses four (attract, convert, close, delight). The four-stage version simply splits "engage" into convert and close, so the lead-capture and sales steps are visible and measurable.
What is the inbound marketing cycle?
The inbound cycle is the continuous loop of attracting visitors, converting them into leads, closing them into customers and delighting them so they refer others, whose referrals attract the next visitors. HubSpot models this as a flywheel rather than a funnel, because delighted customers feed new growth.
What is the inbound marketing methodology?
The inbound marketing methodology is the approach of attracting customers by creating content and experiences tailored to them, rather than interrupting them with ads. In practice it runs as a process - attract, convert, close, delight - that guides a stranger to a customer and on to an advocate.




