How to Handle Customer Complaints: Steps and Templates

To handle a customer complaint well, follow six steps: acknowledge it quickly, listen fully without defending, apologise for the experience, agree on a solution, act on it within a promised time, and follow up afterwards to check that the customer is satisfied. Then record the complaint so you can spot patterns. Handled this way, a complaint is a chance to keep a customer who was about to leave, and to fix a problem before it affects others.

Below you will find each step in detail, ready-to-use response templates for email, phone and chat, a complaint log template and rules for when to escalate.

Why complaints are worth handling well

A customer who complains is telling you two things: something went wrong, and they still care enough to say so. Many unhappy customers never complain; they simply stop buying. That makes every complaint valuable information, and a direct chance to save the relationship.

Complaints also reveal problems that affect customers who stay silent. If three people complain about late deliveries, others have probably experienced the same thing.

The six-step process

Step 1: Acknowledge quickly

Reply as soon as you reasonably can, even if you do not have a solution yet. Confirm that you received the complaint, that a named person is looking into it, and when the customer will hear back.

Step 2: Listen fully

Let the customer explain everything before responding. On the phone, do not interrupt. In writing, read the whole message twice. Ask clarifying questions where needed: "When did the delivery arrive?", "Which part did not work?" Summarise what you heard: "So the order arrived three days late, and one item was damaged. Is that right?"

Step 3: Apologise for the experience

A sincere apology does not require you to accept blame for everything. "I'm sorry this happened" and "I understand why you're frustrated" acknowledge the customer's experience. Avoid conditional apologies like "I'm sorry if you feel that way", which sound dismissive.

Step 4: Agree on a solution

Offer a concrete solution, or ask what would put things right. Common options: replacement, repair, refund, credit, redoing the work, or a goodwill gesture. Where possible, give the customer a choice. Be clear about what you can and cannot do; a realistic promise kept is better than a generous promise broken.

Step 5: Act and keep the customer informed

Do what you agreed, within the time you promised. If something delays it, tell the customer before the deadline, not after.

Step 6: Follow up

A few days after the solution, check in: "Did the replacement arrive in good condition? Is everything working now?" This short step is often what customers remember most, because it shows you cared beyond closing the case.

Response templates

Adapt the tone to your brand, and always personalise the details.

Email: first acknowledgement

Subject: Your message about [order / issue], we're on it

Hi [first name],

Thank you for letting us know about [short description of the problem]. I'm sorry this happened, and I can understand how frustrating it is.

I'm looking into it personally and will get back to you by [specific time or day] with a solution.

If anything else comes up in the meantime, just reply to this email.

[Name], [role]

Email: offering a solution

Hi [first name],

I've looked into [the issue]. [One or two sentences explaining what happened, without blaming anyone.]

Here's what we can do:

• [Option 1, e.g. send a replacement by express delivery, arriving by Friday]
• [Option 2, e.g. a full refund to your original payment method]

Just let me know which you prefer, and I'll take care of it today.

Again, I'm sorry for the trouble.

Phone: structure for the call

1. Greet and thank: "Thanks for calling, I'm [name]. I understand there's been a problem with [x]."
2. Listen: let them finish; take notes.
3. Summarise: "Let me make sure I've got this right…"
4. Apologise: "I'm sorry, that shouldn't have happened."
5. Solve or commit: "Here's what I can do right now…" or "I need to check one thing; I'll call you back by 3 pm today."
6. Confirm in writing: send a short email summarising what was agreed.

Chat: quick, clear replies

"I'm sorry about that, [first name]. Let me check your order right now."

"Thanks for waiting. I can see the parcel was delayed at the depot. I can either send a new one today with express delivery, or refund the order in full. Which would you prefer?"

"Done. You'll receive a confirmation email in a few minutes. Is there anything else I can help with?"

Keep chat replies short, and never leave the customer waiting without an update.

Follow-up message

Hi [first name], just checking in: did [the replacement / the repair / the refund] work out as expected? If anything is still not right, reply here and I'll sort it out.

Phrases to use and avoid

Instead of…	Say…
"That's our policy."	"Here's what I can do within our rules…"
"You must have…"	"Let's work out what happened."
"I'm sorry if you feel…"	"I'm sorry this happened."
"Nobody else has complained."	"Thank you for telling us."
"I'll try to…"	"I will… by [time]."
"Calm down."	"I understand why you're upset."

Complaint log template

Recording every complaint, even ones resolved on the spot, turns individual problems into data.

Field	Example
Date received	2026-09-14
Customer	Jordan Smith (#C-2291)
Channel	Email
Category	Delivery: late
Description	Order arrived 4 days late; customer needed it for an event
Owner	Alex
Action taken	Apologised, refunded shipping, gift voucher for next order
Resolved on	2026-09-15
Customer satisfied?	Yes (confirmed in follow-up)
Root cause	Courier capacity issue in region

Use a fixed list of categories (for example: product quality, delivery, billing, staff behaviour, communication, other) so you can count them. Review the log monthly: which category comes up most? What is the root cause? Who should fix it?

If you use a CRM, attach complaints to the customer record. That way, nobody sends a cheerful sales email to someone with an open complaint. See what data to store in a CRM.

When and how to escalate

Escalate when:

• The solution the customer needs is beyond the front-line person's authority.
• The customer asks for a manager.
• There is a health, safety, legal or significant financial issue.
• The same customer has complained before about the same thing.
• The customer is a key account.

Give front-line staff a clear authority limit, for example: "You can approve refunds, replacements or goodwill gestures up to $100 without asking." This speeds up resolution for most complaints and leaves managers free for the complex ones.

When escalating, brief the next person fully so the customer does not have to repeat their story. Tell the customer who is taking over and when they will hear from them.

For legal questions, such as warranty rights or consumer protection rules, the rules depend on where you and your customer are. Keep your process general and seek professional advice for specific cases.

Measuring complaint handling

Metric	What it shows
Time to first response	How quickly customers feel heard
Time to resolution	How quickly problems are fixed
Complaints per 100 orders	Whether problems are increasing
Repeat complaints	Whether fixes hold
Satisfaction after resolution	Whether customers are happy with the outcome

For the last metric, send a one-question survey after a complaint is closed and calculate the result with the CSAT calculator. If the survey asks how easy it was to resolve the issue, use the CES mode instead.

Common mistakes

• Defending before listening. Even if you are right, leading with justification makes the customer feel dismissed.
• Vague promises. "We'll look into it" without a time leaves the customer waiting and guessing.
• Passing the customer around. Every handover without a proper briefing makes the experience worse.
• Fixing the case, not the cause. If the same complaint keeps coming back, the process needs to change.
• Arguing in public. If a complaint arrives as a public review, reply briefly and move the conversation to a private channel. See how to respond to negative reviews.

Your next step

Set up a simple complaint log this week, either as a spreadsheet with the fields above or in your CRM. Agree on an authority limit for your team and save the email templates where everyone can find them. After a month, review the log, pick the most common category and fix its root cause. Handling complaints well is one of the most direct customer retention strategies there is.