SMS marketing is a channel that is often underestimated in the digital marketing mix.
Many people associate SMS with short private messages, but in a marketing context it can be a highly effective tool for creating direct and relevant communication with a target audience.
While email, social media, and paid advertising are now characterized by intense competition, SMS marketing provides more immediate access to the recipient.
Messages are delivered directly to mobile phones and are typically read shortly after receipt, making SMS an ideal channel for companies seeking quick attention and action.
In this article, we take a closer look at what SMS marketing is and how to work with it in a structured and strategic way as part of a digital marketing effort.
What is SMS marketing?
SMS marketing is a marketing discipline where companies use text messages to communicate with existing and potential customers.
Messages are typically short and action oriented and are often used for purposes such as campaigns, special offers, product news, reminders, and updates.
Due to the limited length of the format, SMS marketing is best suited for messages that can be communicated clearly and precisely without the need for long explanations.
This may include time limited offers, notifications about low stock, or information about events and launches.
SMS marketing differs from many other channels by being both personal and direct. The message is sent to a single device, that users carry with them throughout the day.
Why is SMS marketing relevant today?
Although the technology has existed for several decades, it is still highly relevant.
On the contrary, changes in consumer behavior and digital habits have helped renew interest in SMS marketing.
Many digital channels today are characterized by:
- Declining organic reach
- Rising advertising costs
- Overcrowded inboxes and social feeds
SMS marketing, on the other hand, operates in a less saturated communication channel.
When a user actively chooses to sign up for SMS messages from a company, it is often with the expectation of receiving relevant and valuable information.
This gives companies the opportunity to communicate more precisely and with a higher likelihood of engagement, provided the channel is used carefully.
Key benefits of SMS marketing
SMS marketing has several characteristics that make the channel attractive across many industries and contexts.
Fast visibility and response
One of the most notable advantages of SMS marketing is speed. Text messages are typically read within minutes of being received, making the channel ideal for time sensitive communication.
This fast response enables companies to continuously evaluate campaigns and adjust content, timing, and frequency based on actual results.
High engagement
Compared to many other digital channels, SMS generally achieves high engagement rates. Users open messages, click links, and respond to clear calls to action to a greater extent.
This is partly because SMS does not compete with algorithms or crowded content streams, but is delivered directly to the recipient.
Personal communication
SMS is often perceived as a more personal form of communication than both email and social media.
Messages appear alongside private conversations, which raises the bar for relevance but also creates an opportunity to build a closer relationship with the recipient.
By combining SMS marketing with segmentation and personalization, companies can create communication that feels tailored rather than mass produced.
Easy to implement
SMS marketing does not require advanced design, video, or graphics.
This makes the channel relatively easy to implement and maintain, especially for smaller companies or teams with limited resources.
Legislation, consent and responsible use
A central aspect of SMS marketing is the management of consent.
In Denmark and the rest of the EU, this form of marketing is regulated by marketing legislation and GDPR, meaning companies may only send messages to individuals who have actively given permission.
Consent must therefore be voluntary, informed, and specific.
In addition, it must be easy for the recipient to withdraw consent. This is typically done by allowing the user to reply “STOP” to a message or unsubscribe via a link.
Failure to respect these rules can not only result in fines, but also damage credibility and the relationship with the target audience.
When does SMS marketing create the most value?
SMS marketing is not a universal solution, but it can be particularly effective in certain situations.
The channel is well suited for:
- Short term campaigns
- Important updates and reminders
- Loyalty and customer club communication
- Reactivation of existing customers
- Supporting mobile purchases
On the other hand, SMS is less suitable for complex messages that require longer explanations or nuanced communication.
The platform itself is not designed for lengthy messaging, so clarity and precision are essential.
Segmentation as a prerequisite for relevance
One of the biggest mistakes in SMS marketing is sending the same messages to the entire recipient list. Because the channel is more personal, relevance is crucial for success.
Segmentation can be based on:
- Previous purchases
- User behavior
- Interests
- Location
- Engagement with earlier messages
By dividing recipients into smaller and more homogeneous groups, companies can ensure that the message matches the recipient’s needs and expectations.
Content and tone in SMS messages
Content in SMS marketing must be clear, concise, and value driven. There is limited space, and the message must be understood immediately.
Effective SMS messages:
- Communicate one clear point
- Clearly identify the sender, since the recipient may not have saved the contact
- Include a specific action or piece of information
- Respect the recipient’s time
It is also important to consider tone. It should not necessarily be overly formal, but neither should it be too private.
The right balance depends on the brand’s identity and the relationship with the recipient.
Timing and frequency
Timing plays a greater role in SMS marketing than in many other channels. Since notifications are often displayed immediately, poor timing can lead to irritation rather than engagement.
As a general rule, companies should:
- Send messages during normal business hours
- Test different times to identify optimal performance
- Limit the number of messages per month
Too frequent messages increase the risk of unsubscribes, while too infrequent messages can reduce impact and brand awareness.
SMS as part of an overall strategy
SMS marketing rarely performs best in isolation. The greatest value often arises when it is integrated with other channels such as email, social media, and websites to create an omnichannel user experience.
Examples of integration include:
- As a follow up to email campaigns
- Notifications triggered by actions on a website
- As a supplement to customer service
- Loyalty programs
By incorporating SMS into a broader customer journey, companies can create more cohesive and effective communication.
Automation and SMS flows
Modern SMS marketing platforms make it possible to automate large parts of communication. This means messages can be sent based on specific actions or time based triggers.
Examples of automation include:
- Welcome messages upon sign up
- Reminders about abandoned carts
- Post purchase follow up
- Service and status updates
Automation makes it possible to deliver timely messages without manual handling, while maintaining relevance.
Note: Always remember to include relevant and clear CTAs that lead the user directly to the correct page depending on the purpose of the SMS.
Metrics and evaluation
To assess the effectiveness of SMS marketing, it is necessary to work with clear KPIs. This provides insight into what works and where adjustments are needed.
Typical metrics include:
- Delivery rate
- Click rate
- Conversions
- Unsubscribe rate
These data points can be used for ongoing optimization of content, timing, and segmentation.
Choosing an SMS marketing platform
Today, there are many SMS marketing tools offering different features depending on needs and budget.
Below are a few examples that do not focus exclusively on SMS marketing but incorporate it into a broader strategy:
- Brevo: A user friendly all in one platform where SMS can be used as a supplement to email and simple campaigns.
- ActiveCampaign: Advanced marketing automation where SMS is included in behavior based flows alongside email and CRM data.
- Klaviyo: Data driven SMS marketing tailored to ecommerce, with strong segmentation and automated messages based on customer behavior.
Common to most platforms is the ability to send messages, segment recipients, and analyze results.
When choosing a platform, you should consider:
- Ease of use
- Integration options
- Automation capabilities
- Reporting features
- Scalability
The most important factor is selecting a solution that supports your overall marketing strategy.
A channel with great potential
SMS marketing is a channel with significant potential, but also with responsibility.
Its strength lies in its direct and personal nature, which places high demands on relevance, timing, and respect for the recipient.
When used strategically and integrated into the overall digital marketing effort, SMS marketing can contribute to increased engagement, improved customer experiences, and stronger relationships.
It is not the quantity of messages that determines success, but the quality of communication.
Companies that manage to use SMS as a value creating supplement rather than an aggressive sales channel will stand strong in an increasingly competitive digital landscape.
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