COS Assistant Assortment Planner

As an Assistant Assortment Planner, you support assortment planning and selling to drive growth and sustainable profitability. You assist in optimising the product mix and contribute to global and regional article ranking. You work cross-functionally with Buying, Planning, Design and Controlling teams to align assortments with customer needs and strategy, providing insights and data-driven analysis. You also support Senior Assortment Planners with meeting preparation, reporting and ad-hoc analysis to enable strong decision-making. Through efficient execution, timely purchasing support and structured ways of working, you help deliver a competitive and well-balanced customer offer across markets.

What you will do

• Support assortment optimisation - Assist in analysing product performance and help optimise the product mix to drive sales, margin and sustainable growth.
• Contribute to article ranking and planning - Support global and regional article ranking by providing data insights and helping prioritise key products within the assortment.
• Cross-functional collaboration - Work closely with Buying, Controlling & Merchandising teams to ensure assortments align with customer needs, trends and company strategy.
• Prepare analysis and reporting - Support Senior Assortment Planners with reporting, presentations, and ad-hoc analyses to enable informed decision-making.
• Operational and purchasing support - Provide timely execution support, including data management, purchase-related follow-ups, and maintaining structured ways of working.

Qualifications

Alignment to our company values is the most important characteristic we look for in all new joiners. Our values are the behaviours that we appreciate above and beyond anything else. We are open-minded and curious, we dare to be different, we believe in constant improvement and we empower and trust you to take ownership. Our values are part of who we are, what we stand for and how we act. In addition, we are looking for:

• Previous experience in an assistant-level role within Buying, Planning or Merchandising.
• Strong analytical and data-driven mindset, with the ability to interpret sales performance and translate insights into clear actions.
• Proficiency in Microsoft 365, with good Excel skills.
• Solid commercial awareness, with an interest in fashion retail, customer behaviour and market trends.
• Confident collaboration and communication skills, with the ability to work effectively across functions.
• Strong organisational skills and attention to detail, with a structured approach to managing data and deadlines.
• A proactive, solution-oriented mindset, with high learning agility and the ability to adapt in a fast-paced environment.

Additional Information

This is a full time permanent role based at our Head Office in London.

Benefits

• We offer all our employees attractive benefits with extensive development opportunities around the globe.
• All our employees receive a 25% staff discount usable on all our H&M Group brands in stores and online.
• In addition to our staff discount, all our employees are included in our H&M Incentive Program - HIP.
• Up to 25 days holiday.
• Annual health checks.
• Pension scheme.
• Discounts on various activities and financial/lifestyle products via our benefits hub.
• Cycle to work scheme.
• Discounted gym membership.
• Employee assistance via retail trust.
• Private health & dental care.

Inclusion & Diversity

At COS we are determined to create and maintain inclusive, diverse and equitable workplaces throughout our organisation. Our teams should consist of a variety of people that share and combine their knowledge, experience and ideas. Having a diverse workforce leads to a positive impact on how we address challenges, on what we perceive possible and on how we choose to relate to our colleagues and customers all over the world. Hence all diversity dimensions are taken into consideration in our recruitment process.

Company Description

COS offers a wardrobe of ready-to-wear and accessories rooted in exceptional quality and lasting design. The creative soul of the brand is fuelled by a deep connection to modern culture, dynamic global cities and compelling fashion movements. With an emphasis on expert craftsmanship, innovation and materiality, collections are created with a mindful approach, seamlessly blending contemporary and timeless.

Learn more about COS here. We are looking forward to hearing from you!