Insights

Growing Customer Base With approximately 15 million customer contracts and a global presence in numerous countries, 1&1 Internet demonstrates significant market penetration and ongoing customer acquisition potential, offering opportunities to provide tailored solutions for expanding or renewing its customer portfolio.

Data Center Expansion Operating seven state-of-the-art green data centers with over 70,000 servers highlights an ongoing investment in sustainable infrastructure, creating avenues for advanced hosting solutions and energy-efficient server management services to enhance their operational capacity.

Market Diversification Since entering the US market in 2003 and expanding across Europe and North America, 1&1 is positioned for further geographic expansion and localization strategies, presenting opportunities to introduce region-specific products or support services to increase market share.

Technology Stack Optimization Using advanced analytics and tag management tools such as Google Analytics, Adobe Tag Manager, and FingerprintJS indicates a focus on technology-driven marketing and customer experience, suggesting potential for upselling premium analytics and digital engagement solutions.

Customer Support Strength Offering 24/7 technical support underscores a commitment to customer satisfaction, providing opportunities to introduce proactive support services, managed cloud solutions, or premium support packages to enhance retention and upsell value-added offerings.

1&1 Internet, Inc. Tech Stack

1&1 Internet, Inc. uses 8 technology products and services including Optimizely, Google AdSense, DoubleClick Floodlight, and more. Explore 1&1 Internet, Inc.'s tech stack below.

  • Optimizely
    A/B Testing
  • Google AdSense
    Advertising
  • DoubleClick Floodlight
    Advertising
  • FingerprintJS
    Javascript Libraries
  • jQuery
    Javascript Libraries
  • Google Tag Manager
    Tag Management
  • Adobe Tag Manager
    Tag Management
  • Yandex Metrica
    Web Analytics

Media & News

1&1 Internet, Inc.'s Email Address Formats

1&1 Internet, Inc. uses at least 1 format(s):
1&1 Internet, Inc. Email FormatsExamplePercentage
First.Last@1and1.comJohn.Doe@1and1.com
49%
Last.First@1and1.comDoe.John@1and1.com
1%
First@1and1.comJohn@1and1.com
1%
First.Last@1and1.comJohn.Doe@1and1.com
49%

Frequently Asked Questions

Where is 1&1 Internet, Inc.'s headquarters located?

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1&1 Internet, Inc.'s main headquarters is located at 701 Lee Road Chesterbrook, PA 19087 us. The company has employees across 4 continents, including North AmericaAsiaEurope.

What is 1&1 Internet, Inc.'s phone number?

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You can contact 1&1 Internet, Inc.'s main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is 1&1 Internet, Inc.'s official website and social media links?

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1&1 Internet, Inc.'s official website is 1and1.com and has social profiles on LinkedIn.

What is 1&1 Internet, Inc.'s NAICS code?

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1&1 Internet, Inc.'s NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does 1&1 Internet, Inc. have currently?

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As of October 2025, 1&1 Internet, Inc. has approximately 240 employees across 4 continents, including North AmericaAsiaEurope. Key team members include Vice President Of Sales: D. W.Head Of 1&1 MyWebsite Customer Care: R. K.Manager Of Sales After Support: M. D.. Explore 1&1 Internet, Inc.'s employee directory with LeadIQ.

What industry does 1&1 Internet, Inc. belong to?

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1&1 Internet, Inc. operates in the Technology, Information and Internet industry.

What technology does 1&1 Internet, Inc. use?

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1&1 Internet, Inc.'s tech stack includes OptimizelyGoogle AdSenseDoubleClick FloodlightFingerprintJSjQueryGoogle Tag ManagerAdobe Tag ManagerYandex Metrica.

What is 1&1 Internet, Inc.'s email format?

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1&1 Internet, Inc.'s email format typically follows the pattern of First.Last@1and1.com. Find more 1&1 Internet, Inc. email formats with LeadIQ.
1&1 Internet, Inc.

1&1 Internet, Inc.

Technology, Information and InternetPennsylvania, United States201-500 Employees

1&1 Internet, Inc. is a subsidiary of United Internet, a profitable public company with a market cap of $8 billion. Founded in 1988, the 1&1 Group manages more than 19 million domain names, while more than 70,000 servers run in the company’s seven state-of-the-art, green data centers. 

On the basis of its comprehensive product range, competitive prices and excellent customer support, 1&1 has steadily expanded its global community to be approximately 15 million customer contracts strong. While offering service to nearly every country worldwide, 1&1 is now represented in Germany, France, Spain, the UK, the US, Romania, Austria, Poland, Canada, Italy, and Mexico.

1&1 Internet Inc. entered the US domain registration and web hosting market in 2003. Since then, 1&1 has been at the forefront of encouraging US private users and small-to-medium businesses to adopt the Web. As a one-stop-shop for Web solutions, 1&1 is well placed to deliver a high quality service to its customers and offers 24/7 technical support. The US headquarters is located in Chesterbrook, PA.

For more information, visit http://1and1.com, http://blog.1and1.com,  http://facebook.com/1and1, http://twitter.com/1and1, http://youtube.com/1and1, http://google.com/+1and1

Section iconCompany Overview

Headquarters
701 Lee Road Chesterbrook, PA 19087 us
Phone number
Website
1and1.com
NAICS Code
5415 - Computer Systems Design and Related Services
Employees
201-500

Section iconMedia & News

Section iconFunding & Financials

  • $1M$10M

    1&1 Internet, Inc.'s revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    1&1 Internet, Inc.'s revenue is estimated to be in the range of $1M$10M

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