Senior Marketing Manager | GLOSSYBOX in Manchester

We are THG, a global ecommerce group on a mission to be the global online leader in beauty and sports nutrition. Our portfolio of leading retailers and brands such as LOOKFANTASTIC, Myprotein, ESPA, Perricone MD, and Cult Beauty form our two core businesses: THG Beauty and THG Nutrition. From Manchester to New York, we’re powered by a team of over 2500 people who work together, lead by example, and think BIG.

Life at THG Beauty: We know that beauty isn’t one-size-fits-all. Our portfolio of leading retailers and iconic beauty brands caters to everyone, everywhere, empowering customers all over the world to look and feel fantastic. By combining our portfolio of owned brands with a marketplace for over 1,300 third-party beauty brands through online retail sites LOOKFANTASTIC, Cult Beauty, and Dermstore, THG Beauty’s ambition is to be the global digital partner of choice across the beauty industry, supporting the channel shift to online.

THG Beauty’s breadth of relationships is unique to the beauty market; it engages with brands as a retailer, a brand owner, and a product developer and manufacturer, making it the industry’s digital strategic leader.

About GLOSSYBOX: GLOSSYBOX is a leading beauty box subscription service. Every month we create a unique journey for our subscribers. Our specialist team works endlessly to bring the best in beauty discovery as well as the latest tips, tricks and trends for them to trial. GLOSSYBOX is the perfect treat where every month our subscribers receive a beautifully wrapped GLOSSYBOX filled with 5 surprise beauty treats, we have created a 360° experience that transcends beyond just the box with expert beauty advice and features from the industry.

Why be a Senior Marketing Manager at GLOSSYBOX? The Senior Marketing Manager will own the integrated marketing strategy, encompassing both brand-building activity and performance marketing. You will be responsible for developing and optimising the channel mix, ensuring all activity drives growth, retention, and brand equity. Working closely with the General Manager, you will own the marketing budget, allocation, and reporting, while managing key internal and external relationships to deliver best-in-class marketing performance.

• Marketing Strategy & Planning: Develop, manage, and deliver the integrated marketing plan across brand and performance channels. Build and optimise the channel mix (paid social, search, display, affiliates, email/CRM, influencer, PR, partnerships, content, and offline). Collaborate with the commercial marketing team to ensure this plan is integrated within relevant plans. Own the annual and seasonal marketing calendar, ensuring campaigns are aligned with commercial goals and customer insights.
• Performance & Brand Marketing: Drive measurable new subscriber and new customer acquisition, engagement, and retention through multi-channel activity. Collaborate with the brand and creative teams on storytelling, content, and campaign development. Partner with paid media agencies to shape and optimise performance marketing strategies, ensuring channels deliver strong ROI. Monitor market trends, customer insights, and competitor activity to continuously refine approach.
• Budget Management & Reporting: Support the General Manager with the overall marketing budget across brand and performance channels. Allocate spend effectively, track budgets, and report regularly on performance and ROI. Provide insight-led recommendations for optimising spend across channels.
• Team & Cross-Functional Collaboration: Support the senior brand executive in their role coordinating the in-house studio and creative teams to brief and deliver campaign assets. Manage CRM, influencer and content executives (3 direct reports) to ensure alignment across acquisition and retention channels. Manage relationships with external agencies and partners, ensuring strong delivery, accountability, and results.

• 6+ years’ marketing experience, ideally within beauty, fashion, lifestyle, consumer subscription businesses a bonus.
• Proven track record managing both brand and performance marketing channels.
• Strong experience working with paid media agencies and confidence in shaping strategy across paid social, search, and display.
• Strong analytical skills with the ability to interpret data and make data-driven decisions.
• Experience planning and managing marketing budgets, with excellent financial acumen.
• Excellent project management and stakeholder management skills.
• A balance of creativity and commerciality, with the ability to think strategically and execute effectively.

• Access bespoke development programmes that have been designed and developed by our in-house L&D team.
• Continued development through our upskilling programme that is delivered in partnership with an industry-leading training provider.
• Enhanced Leave: 25 days annual leave plus bank holidays. Don’t want to work on your birthday? We don’t either! Enjoy your day off on us!
• Enhanced maternity and paternity pay, depending on length of service.
• Up to 10 days compassionate leave.
• Buy back up to 3 days each year.
• Access face-to-face and virtual appointments with our in-house GP.
• Access our in-house CBT therapist.
• Access our 24/7 Employee Assistance Programme (EAP) which is provided by Bupa.
• State-of-the-art on-site gym.
• Access to our on-site physio.
• Save up to 12% on the cost of personal tech through our salary sacrifice scheme.
• Subsidised bus pass from Manchester City Centre to our ICON office.
• Up to 50% staff discount on THG brands.
• On-site staff shop.
• Access to on-site barber.
• Know someone who would be perfect for THG? Refer them and get up to £1000 when they pass their probation.
• Anniversary gifts when you hit 5 and 10 years of service.

THG is proud to be a Disability Confident Committed employer. If you are invited to interview, please let us know if there are any reasonable adjustments we can make to the recruitment process that will enable you to perform to the best of your ability. THG is committed to creating a diverse & inclusive environment and hence welcomes applications from all sections of the community.

Because of the high volumes of applications our opportunities attract, it sometimes takes us time to review and consider them all. We endeavour to respond to every application we receive within 14 days. If you haven’t heard from us within that time frame or should you have any specific questions about this or other applications for positions at THG please contact one of our Talent team to discuss further.