GlaxoSmithKline Customer Service

Phone Number & Contact Info

GlaxoSmithKline's Best Phone Number

Toll-free·Calls Customer Service·Most popular GlaxoSmithKline number

How do I talk to a live human at GlaxoSmithKline?

A:Must choose an option 1-6.

Does GlaxoSmithKline offer 24 hour customer service?

A:Not at this number; hours here are Mon-Fri 8:30am-5:30pm EST. The least busy day is Thursday, and the most busy day is Friday.

How long will I wait on hold?

A:The average hold time is 2 minutes. The longest hold times are on Thursday, and the shortest are on Monday. How is this calculated?

How do I get through the phone menu to a live person?

GetHuman researchers routinely call this GlaxoSmithKline phone number to document the phone system.
Here is our latest tip for weaving through the phone menu to get to a real person the fastest: Must choose an option 1-6.
Here is how our research team describes the way the GlaxoSmithKline phone system greets you: To reach an employee by name, press 1. For Human Resources, press 2. For a patient, press 3. For a pharmacist, press 4. For a nurse, press 5. For a physician or provider, press 6.

What are the hours and when should I call?

GlaxoSmithKline operates the call center for this 888-825-5249 phone number Mon-Fri 8:30am-5:30pm ET. The short answer is that you should call on a Thursday. This observation and the following section are based on analysis of a sample set of 561 calls made in the last 90 days using our free, web-based phone (see above).
An important note: busy times vs hold times vs best time to call
When we refer to busy or less busy times, we are talking about the volume of calls. The busiest times are when the most people are calling this GlaxoSmithKline phone number (least busy times have fewer people calling). This high call volume does not necessarily mean that you will have a long hold time when you call. Companies like GlaxoSmithKline staff their call centers differently based on the time of day and day of the week, so you may experience a shorter wait on hold at the busiest of times. When we refer to the best time to call, we are referring to the optimal combination of lower call volume and shorter wait times.

The least busy time to call

The least busy day to call GlaxoSmithKline is Thursday. The most busy day to call is Friday. Again, this is based on a sample of 561 calls made with our AI-powered, web-based phone in the last 90 days.

The shortest wait on hold

We measured the shortest hold times to be on Monday. The longest wait in the queue on average occurs on Thursday.

The best time to call GlaxoSmithKline

In summation, the best day to call GlaxoSmithKline is Thursday. This is not the day with the shortest wait on hold in the phone system, but we still recommend it for its ideal combination of low call volume and short hold times. Plus we believe that GlaxoSmithKline staffs the call center well on Thursday.

Why Customers Call GlaxoSmithKline

If you have time to do a bit of reading before you call GlaxoSmithKline, we recommend you read over some of our problem-specific articles.

What is GlaxoSmithKline?

GlaxoSmithKline (GSK) is a leading global healthcare company specializing in the research, development, and production of pharmaceuticals, vaccines, and consumer healthcare products. With a mission to help people do more, feel better, and live longer, GSK focuses on improving the well-being of individuals around the world. The company operates in over 150 countries, collaborating with scientists, doctors, and other organizations to address unmet medical needs and deliver innovative solutions. GSK's extensive portfolio comprises prescription medicines, over-the-counter products, and health-related services. Committed to scientific excellence, GSK invests significantly in research and development to discover novel treatments and advance medical science. By partnering with communities, healthcare professionals, and governments, GSK strives to contribute to the overall improvement of global health.

Where is GlaxoSmithKline headquartered?

GlaxoSmithKline is headquartered in Brentford, west London, United Kingdom. Located in the heart of the city, the headquarters serve as the central hub for the company's global operations. Nestled in a modern and innovative office complex, the headquarters provide a dynamic working environment for employees and foster collaboration among teams. The central location in London also allows for easy access to global markets and enables GlaxoSmithKline to maintain strong relationships with key stakeholders. With its headquarters in London, GlaxoSmithKline continues to drive advancements in healthcare and pharmaceutical research, contributing to the improvement of global health outcomes.

What are GlaxoSmithKline's research areas?

GlaxoSmithKline (GSK) is committed to improving global health by focusing on a diverse range of research areas. Our research encompasses therapeutic areas such as infectious diseases, respiratory diseases, oncology, cardiovascular diseases, immuno-inflammation, and neurosciences. We constantly strive to break new ground and achieve breakthroughs in these fields. Our dedicated scientists carry out innovative research and development to find solutions that address unmet medical needs. By collaborating with partners worldwide, GSK aims to foster scientific advancements and deliver transformative medicines and vaccines to people around the world. We remain committed to improving lives through our research, continuously exploring new opportunities to drive innovation and improve global health outcomes.

Top GlaxoSmithKline customer service problems

Click the link above to get answers to just about any GlaxoSmithKline customer service question, including step by step guides for the most complex issues. You can also detail a new issue and get answers instantly.

More GlaxoSmithKline Customer Service Contacts

There are of course other ways to contact GlaxoSmithKline customer service besides the phone. Below we list the best ones, by medium.

GlaxoSmithKline Customer Help Desk / Web Support - Customer Service
Use this link to find customer service help through their website
As a last, sometimes only, resort- GlaxoSmithKline customer service can be accessed through their website. This can entail digging through help articles before finding a form and "being allowed" to submit a problem to their team, and rarely leads to a real-time conversation, which is why GetHuman does not recommend this unless it's the only way.

Conclusion and closing notes

This is GlaxoSmithKline's best phone number, the real-time current wait on hold and tools for skipping right through those phone lines to get right to a GlaxoSmithKline agent. This phone number is GlaxoSmithKline's best phone number because 3,366 customers like you used this contact information over the last 18 months and gave us feedback. Common problems addressed by the customer care unit that answers calls to 888-825-5249 include and other customer service issues. Rather than trying to call GlaxoSmithKline first, consider describing your issue first; from that we may be able to recommend an optimal way to contact them via phone or web. In total, GlaxoSmithKline has 1 phone number. It's not always clear what is the best way to talk to GlaxoSmithKline representatives, so we started compiling this information built from suggestions from the customer community. Please keep sharing your experiences so we can continue to improve this free resource.

GetHuman does not provide call center services or customer support operations for GlaxoSmithKline. The two organizations are not related. GetHuman builds free tools and shares information to help customers of companies like GlaxoSmithKline. For large companies that includes tools such as our GetHuman Phone, which allows you to call a company but skip the part where you wait on the line to get a live human rep. We continue to work on these tools to help customers like you (and ourselves!) navigate the messy phone menus, hold times, and confusion with customer service. As long as you keep sharing it with your friends and loved ones, we'll keep doing it.

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