0843 557 5425

Costco is a wholesale store in the UK and internationally. You must be a member to visit a Costco store. If you’d like to speak to the Costco head office (based in Watford), please call 0843 557 5425.

Costco Contact Numbers

Department Contact Number Opening Hours
Head Office 0843 557 5425 Monday-Friday: 8am-5pm
Complaints 0843 208 2405 Monday-Friday: 8am-5pm
Buying 0843 208 2406 Monday-Friday: 8am-5pm
Recruitment 0843 208 5563 Monday-Friday: 8am-5pm
HR 0843 208 5564 Monday-Friday: 8am-5pm
Marketing 0843 208 5565 Monday-Friday: 8am-5pm

Head Office

The Costco head office is located in Watford, near London. The head office of the company is the base for many of Costco’s important departments including buying, recruitment, HR and marketing. To contact the Costco head office, call 0843 557 5425. When you call this number, you will be put through to the central membership line of the Costco head office. From here, you can request to be transferred to the desired department.


If you are a regular Costco shopper (either online or in the warehouse) you may occasionally be unsatisfied with a purchase that you have made. This could be due to it being faulty or because you did not receive the correct item. If you’d like to make a complaint to the Costco head office, you can do so by calling 0843 208 2405. When you call, hold until you are connected to a Costco call operator.


Costco buys thousands of products to sell at its warehouse stores, including food products, home products and electrical appliances. If you have a question relating to the products that are bought and sold by Costco, you can contact the buying department by calling  0843 208 2406. When you call this number, wait for an operator and then explain that you would like to be transferred to the Costco buying department.


If you’d like to work for Costco, either in the Watford head office or in a warehouse, you can contact the recruitment team by calling 0843 208 5563. You can use this phone number to get information about current vacancies or the recruitment process.


As a Costco employee, you may need to speak to the HR department to sort out your wages or to make a complaint. If you’d like to speak to the HR department, you can call them on 0843 208 5564. When you call, tell the operator that you’re an employee and you’d like to speak to the HR department.


As a journalist, you may be creating a story about Costco and you need to speak to the marketing department. If you’d like to speak to Costco’s marketing team, you can do so by calling 0843 208 5565. The marketing team is responsible for promoting Costco across all channels so they will be able to provide an accurate response to your question. When you call this line, hold to be put through to the marketing department.

Other Ways to Contact Costco

You can contact Costco on Facebook here.