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Set it once, on time for every customer
With marketing automation your software follows up every customer at the right moment, without anyone having to remember. You decide once what should happen after a sign-up, a quote or a finished job, and the software repeats it for every customer.
Every automated sequence has the same four parts. A trigger starts it: a form is submitted, a deal changes stage, an invoice is paid. A wait sets when the next step comes: after an hour, after three days. A condition splits the path: did they open the email, have they signed? And an action does the work: send an email, create a call task for a salesperson, add a tag. The tools call a sequence a workflow, a flow or a journey.
The difference with a newsletter is timing. A newsletter goes to everyone on the same day. An automated sequence runs per person, from the moment that person does something.
From mailing lists to sequences that react
The first automated emails were autoresponders: a confirmation the moment someone subscribed. Around 2000 that grew into software that followed a business buyer from first download to signed contract. Two companies shaped the market, and what they sold for shows how big it became.
Five dates, from mailing to sequence
- 2000Eloqua in CanadaEloqua is incorporated in Ontario on 11 January 2000, one of the first companies to sell marketing automation as a service.
- 2006Marketo in CaliforniaMarketo starts in January 2006 with the same promise for mid-sized business-to-business companies.
- 2012Oracle buys EloquaOn 20 December 2012 Oracle announces the deal, at about 871 million dollars.
- 2018Adobe buys MarketoOn 20 September 2018 Adobe agrees to pay 4.75 billion dollars for Marketo and its nearly 5,000 customers.
- 2025In every email toolMailchimp renames its journeys Marketing Automation Flows in June 2025. What was enterprise software now ships in plans from 15 euros a month.
Three sequences for a rental company
Say an equipment rental company in Rotterdam sends 40 quotes a month and completes 25 rentals. Today nobody follows up a quote unless they happen to remember, and nobody asks for reviews. Three sequences take that over.
| Sequence | Starts when | What happens | Stops when |
|---|---|---|---|
| Welcome | Someone subscribes to the newsletter on your site | Day 0 a thank-you with your three most-read guides, day 4 a short case, day 10 an invitation to a demo | The reader sends a request |
| Quote follow-up | The quote goes out, from a quote template or your accounting package | Day 3 a short check that everything is clear, day 7 a call task for the salesperson | The customer signs or declines |
| Review request | The rental is returned in good order | Two days later an email with a direct link to your Google reviews | The customer leaves a review |
The time saved is simple arithmetic. Two follow-up emails per quote at five minutes each by hand is 40 times 2 times 5: 400 minutes, close to seven hours a month. The review requests add another 25 emails. When to ask and how to word it is covered in get more Google reviews. Follow-up is also where a sales funnel leaks most often: between the quote and the signature.
To see whether those emails work, put UTM parameters behind every link. Google Analytics then shows which step of the sequence brings people back to your site.
A quote that follows itself up
Signed?
Yes
No
- quotes a month
- 40
- emails that send themselves
- 80
- minutes of typing saved
- 400
The sequence runs per customer, from the moment their quote goes out. Whoever signs drops out at once.
Your first sequence live in five steps
- Pick the moment that gets droppedA quote nobody chases, a new subscriber, a finished job without a review. Start with one sequence, not ten.
- Write the emails and the stop ruleShort, in your own voice, with one clear question. Decide when the sequence ends, so nobody gets a reminder after signing.
- Connect the triggerA form on your site, a stage in your customer database or a webhook from your accounting software starts the sequence.
- Test with your own addressWalk every branch: opened, not opened, signed. Check the unsubscribe link.
- Measure after a monthHow many quotes were signed after a reminder, how many reviews came in? Adjust the waits.
Package prices side by side
A business with a few hundred to a few thousand contacts is well served by an email tool with automation built in. A full platform pays off once you have a sales team and thousands of leads. Prices as listed on the pricing pages today:
| Tool | Free plan | First plan with real sequences | Price |
|---|---|---|---|
| Brevo | 300 emails a day | Standard, unlimited workflows | From 15 euros a month |
| Mailchimp | Up to 250 contacts, no sequences | Standard, up to 200 flows with branching | 17.94 euros a month for the first year, at 500 contacts |
| HubSpot Marketing Hub | 1 automated action | Professional, with workflows | From 800 dollars a month, plus 3,000 dollars onboarding |
Mailchimp Essentials, 11.66 euros a month in the first year, allows flows of up to four steps without branching. HubSpot Starter, from 7 dollars per seat, stops at ten automated actions. Beyond the licence, count on a few days of work: writing the emails, connecting the trigger, testing. Set against seven hours of follow-up a month, a 15-euro plan pays for itself in the first month.
Consent and unsubscribing under EU rules
An automated email is still advertising, and rules for marketing email are set country by country. Belgium is a clear example. Article XII.13 of its Code of Economic Law requires prior, free, specific and informed consent; silence or not replying never counts as a yes, the sender has to be able to prove consent, and every email needs a way to unsubscribe. Existing customers may be emailed about similar products or services if you got their address in a sale and they can opt out easily and for free. Generic company addresses such as info@ or sales@ may be emailed without consent; firstname.lastname@company.com is a person and is not covered.
On top of that sits the GDPR. The Belgian data protection authority expects your processing to rest on consent or legitimate interest, and anyone who objects leaves your sequences at once. Name the tool in your privacy policy and sign a data processing agreement with the provider. Check the equivalent rule in your own country before you switch a sequence on.
Fixed rules or an AI agent
Marketing automation follows rules you write: when this happens, wait three days and send that email. It writes nothing itself and does not understand a reply. AI automation does read and write: it sorts incoming mail, pulls the question out of a reply, or drafts an answer for you to check. The two work well together: rules keep the sequence predictable, AI takes the reading in between. Connecting the tools you already use through a webhook is often the first step, especially when your CRM or accounting package is a SaaS product.
Before you switch on the first sequence
What is a marketing automation tool?
Software in which you build sequences from a trigger, waits, conditions and actions such as an email or a task. Brevo, Mailchimp and HubSpot are well-known examples; you usually build a sequence with blocks on a screen, without code.
Is marketing automation the same as email marketing?
No. Email marketing is a newsletter sent to everyone on one day. Marketing automation sends per person, at the moment that person acts, and can create tasks, tags or text messages as well as emails.
When is it worth it?
As soon as a moment comes back more often than you can follow up by hand. Ten unchased quotes a month cost more than a 15-euro plan. With only a handful a month, a reminder in your calendar does the job.
Can I email my customers automatically?
In Belgium, yes for similar products or services, if you got their address in a sale and every email lets them unsubscribe easily. New contacts need a real opt-in first. Other EU countries set their own rules, so check yours.