Business English Basics for Customer Service Professionals
Published: 16 July 2026
Starting a job in an international BPO means you will use English every day — on calls, in emails, and in team chats. This guide covers the phrases and vocabulary that will help you sound professional from day one.
Essential customer service phrases
Greeting a customer
"Good morning / afternoon. Thank you for calling [Company]. My name is [Name]. How may I help you today?"
Asking for information
"May I have your account number, please? Could you confirm your full name?"
Putting someone on hold
"Would you mind holding for a moment while I check that for you?"
Apologizing
"I sincerely apologize for the inconvenience. Let me make this right for you."
Escalating
"I understand your concern. I am going to transfer you to our specialist team who can resolve this immediately."
Closing a call
"Is there anything else I can help you with today? Thank you for calling. Have a great day."
Confirming by email
"As discussed, I am writing to confirm the details of your request."
Following up
"I am following up on the issue you reported earlier. We have an update for you."
Must-know workplace vocabulary
Escalate
Transfer a problem to a higher level or specialist team.
Resolution
The solution to a customer's problem.
Turnaround time
The time needed to complete a task or reply.
Backlog
A build-up of tasks or tickets waiting to be handled.
KPI
Key Performance Indicator — a metric used to measure your work.
SLA
Service Level Agreement — the promised response time.
CRM
Customer Relationship Management tool used to log calls and tickets.
Upsell
Offer a higher-value product or service to the customer.
How EIG teaches business English
EIG's B1 Train to Hire program includes real call-center scenarios, mock customer calls, and email practice. You do not just learn vocabulary — you use it in simulated workplace situations with feedback from an HR specialist.
Start your business English training
Take the EIG English Test to check your level, then join the program that prepares you for real BPO work.