Complementary Words for Customer Service

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Complementary words are words that are used to describe a service or a product that is complementary (free or at no additional cost).

These are not to be confused with complimentary words, which are words of praise to make a customer feel better.

What’s the Difference Between Complementary and Complimentary in Customer Service?

What Does Complementary Mean?

Complementary relates to items or services that enhance each other when used together, improving the overall experience (e.g. offering additional services that enhance the primary service). These are often free or at no additional cost.

Examples of complementary offerings in customer service include:

Services – Offering complementary services such as technical support with a new software purchase. These services enhance the overall value provided to the customer.
Free Offers – Providing a complementary service or product, such as a free trial or upgrade, to appreciate the customer or resolve an issue.
Gifts – Sending a complementary gift or discount voucher as a goodwill gesture.

What Does Complimentary Mean?

Complimentary relates to praise given to customers as a courtesy or expressing appreciation.

Examples of complimentary in customer service include:

Praise – Giving a customer a complimentary remark, like praising their loyalty or expressing gratitude for their patience and understanding.
Feedback – “Your feedback is incredibly valuable to us. Thank you for taking the time to share your thoughts and help us improve.”
Understanding – “Thank you for being so understanding about the situation. We’re doing everything we can to make things right.”

For examples of complimentary words for customer service to help your agents boost their conversation, read our article: 100 Complimentary Words and Phrases to Use in Customer Service

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Do Not Confuse Complimentary Words With Complementary Words

It is important to note the difference between complementary words and complimentary words.

An easy way to differentiate between them is to remember that complementary words refer to how something completes something else, for example as a free service, e.g. This service is complementary (free/ at no additional charge).

The two words sound the same but are spelt differently.

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The Top 10 Complementary Words and Phrases for Customer Service

“This service is complementary.”
“This service is free to all of our customers.“
“As a gesture of goodwill, we will provide this for free“
“This service/feature is included in your package at no extra charge.”
“You’ll be pleased to know that there’s no additional cost for this.“
“This comes as part of your subscription, so there’s no need to worry about any extra fees.“
“It’s complementary with your purchase.“
“Consider it a free upgrade.“
“This upgrade is part of the package at no extra charge.“
“We provide complementary access to this resource.“

1. “This service is complementary”

Used to highlight that the service is provided at no cost, enhancing the customer’s perception of added value without additional expense.

2. “This service is free to all of our customers”

Indicates that every customer can access the service without paying extra, ensuring inclusivity and widespread benefit.

3. “As a gesture of goodwill, we will provide this for free”

Communicates that the free service is a special offer to maintain or enhance customer relationships, often in response to an issue or as a thank-you.

4. “This service/feature is included in your package at no extra charge”

Clarifies that the feature is a built-in benefit of the current package, reassuring customers that they are receiving added value without extra fees.

5. “You’ll be pleased to know that there’s no additional cost for this”

Aims to positively inform customers that they won’t incur extra charges, enhancing their satisfaction with the service.

6. “This comes as part of your subscription, so there’s no need to worry about any extra fees”

Reassures customers that the service is included in their ongoing subscription, alleviating concerns about unexpected costs.

7. “It’s complementary with your purchase”

Highlights that the service is a free addition to a recent purchase, adding value and encouraging continued loyalty.

8. “Consider it a free upgrade”

Emphasizes that the customer is receiving an enhancement to their current service at no additional cost, often to encourage satisfaction and retention.

9. “This upgrade is part of the package at no extra charge”

Communicates that improvements or new features are automatically included in the existing package, reassuring customers of continuous value enhancement without extra fees.