Her Campus is an online magazine that caters to college women, with a version specifically tailored for the United Kingdom. The brand was founded by three Harvard University students, Stephanie Kaplan Lewis, Windsor Hanger Western, and Annie Wang, in 2009. Since its inception, Her Campus has become the number one global community for college women, providing them with a platform to share their stories, interests, and advice on various topics such as careers, relationships, fashion, beauty, and more.

Her Campus UK operates from its headquarters in London. The UK branch was launched in 2011, offering content and resources specifically targeted towards British college women. The headquarters serve as a central hub for the editorial team, led by a team of student writers and contributors who ensure that the publications reflect the interests and concerns of the target audience.

The main products of Her Campus are its online magazine and website, which feature articles, blogs, news, and other engaging content. Additionally, the brand organizes events, such as conferences and workshops, to empower and educate college women. Her Campus also maintains a strong social media presence, engaging with its audience through platforms like Instagram, Facebook, and Twitter.

On a global scale, Her Campus has expanded to over 400 colleges and universities worldwide, with a presence in 11 countries, including the United States, Canada, Australia, and India. The brand has established partnerships with major organizations and companies, including Procter & Gamble, Revlon, and Microsoft. These partnerships allow Her Campus to provide various opportunities, such as internships, scholarships, and job opportunities, to its audience.

In terms of market position, Her Campus has established itself as a leading platform for college women globally. Its engaging content and community-driven approach have garnered a strong following and have made it a go-to resource for college women seeking advice and inspiration. While specific sales figures for its UK branch are not readily available, the brand's global presence and partnerships indicate its significant market influence and reach.

In terms of major events and achievements, Her Campus has won numerous awards, including being listed in Forbes' 30 Under 30 Media category. The brand has also published a book titled The Her Campus Guide to College Life, which further solidifies its authority as a resource for college women. As of the latest information available, Her Campus continues to thrive, expanding its reach and impact on a global scale.

It remains a trusted platform for college women, providing valuable content, resources, and opportunities. Note: The information presented in this response is based on credible sources and the most recent information available at the time of writing. However, it is advisable to verify the accuracy and validity of the information from official sources