Assortment Planner United Kingdom London

COS; Greater London; On-site; GBP 45,000 - 65,000; Full time

Benefits offered by this job

Staff discount 25%

HIP incentive program

Career development

Job summary

COS, based in London, seeks an Assortment Planner to optimise regional product assortments and article rankings, aligning with Buyers, Merchandising and Finance to drive profitable growth.

You will monitor sales performance, regionally varying insights and market trends to sustain sell-through and ensure budget-aligned stock levels. Collaboration with global teams and junior staff will be essential.

Qualifications

• Previous experience in a similar Planning, Buying or Merchandising role within fashion retail, with a good understanding of omnichannel dynamics.
• Strong proficiency in planning and assortment quantification software.
• Strong analytical skills, with the ability to interpret product mix, price points, sales performance and regional differences to build balanced and profitable assortments.
• Confidence using customer insights, market trends and commercial data to make informed decisions.
• A genuine interest in COS and a strong understanding of how to deliver a relevant and compelling customer offer.
• Delivery & Execution: ability to produce high-quality, accurate work, prioritise effectively and meet deadlines; capable of resilience under pressure.
• Communication: clear written and verbal communication, able to explain technical points simply and keep stakeholders informed.
• Collaboration & Stakeholder Management: build partnerships across Buying, Merchandising, Finance, Marketing and regional teams.
• Adaptable & Curious: adjust to changing priorities, learns new tools quickly and shows curiosity and self-development

Responsibilities

• Develop and optimise regional assortments and article rankings, ensuring a balanced product mix that meets customer needs, drives growth and maximises profitability.
• Monitor sales performance, customer insights and market trends to identify opportunities and risks, taking proactive actions to improve sell-through and business results.
• Support the delivery of the global assortment strategy by planning article quantities, stock levels and seasonal product flows, ensuring alignment with departmental goals and budgets.
• Partner closely with Buyers, Business Controllers, Merchandising, Marketing and regional teams to align priorities, optimise customer offers and ensure successful execution of plans.
• Guide and support junior team members while driving a collaborative, people-focused environment.
• Proactively identify opportunities to improve processes, ways of working and business performance in line with departmental objectives

Skills

Omnichannel

Planning software

Analytical skills

Customer insights

COS knowledge

Stakeholder management

Communication

Adaptable

Tools

Excel

ERP systems

Job description

As an Assortment Planner, you are responsible for optimising the product mix and planning article assortments across regions to drive sustainable growth and maximise sell-through profitability. Working closely with the Senior Buyer and Senior Business Controller, you develop customer-focused assortments, manage global and regional article ranking, and ensure alignment across all planning activities. Through strong collaboration and data-driven decision-making, you help create the best commercial offer for our target customer while supporting overall business performance and profitability

What you will do:

Develop and optimise regional assortments and article rankings, ensuring a balanced product mix that meets customer needs, drives growth and maximises profitability.

Monitor sales performance, customer insights and market trends to identify opportunities and risks, taking proactive actions to improve sell-through and business results.

Support the delivery of the global assortment strategy by planning article quantities, stock levels and seasonal product flows, ensuring alignment with departmental goals and budgets.

Partner closely with Buyers, Business Controllers, Merchandising, Marketing and regional teams to align priorities, optimise customer offers and ensure successful execution of plans.

Guide and support junior team members while driving a collaborative, people-focused environment.

Proactively identify opportunities to improve processes, ways of working and business performance in line with departmental objectives

Qualifications

• Previous experience in a similar Planning, Buying or Merchandising role within fashion retail, with a good understanding of omnichannel dynamics.
• Strong proficiency in planning and assortment quantification software.
• Strong analytical skills, with the ability to interpret product mix, price points, sales performance and regional differences to build balanced and profitable assortments.
• Confidence using customer insights, market trends and commercial data to make informed decisions.
• A genuine interest in COS and a strong understanding of how to deliver a relevant and compelling customer offer.
• Delivery & Execution: Ability to produce high-quality, accurate work, prioritise effectively and meet deadlines. You should also be able to demonstrate resilience under pressure.
• Communication: Able to communicate clearly in writing and verbally, you should be able to explain technical or complex points simply and keep stakeholders informed and updated.
• Collaboration & Stakeholder Management: Build effective partnerships across Buying, Merchandising, Finance, Marketing and regional teams, influencing decisions and aligning priorities to achieve shared goals. You should also be openminded and accept feedback professionally
• Adaptable & Curious: You should be able to adjust to changing priorities, learns new tools and processes quickly and show curiosity and self-development

Additional Information

This is a full time permanent role based at our Head Office in London, 5 days per week.

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. You can read more about our H&M Incentive Program here .

In addition to this UK based colleagues also receive:

• Up to 25 days holiday
• Discounts on various activities and financial/lifestyle products via our benefits hub
• Cycle to work scheme
• Discounted gym membership
• Employee assistance via retail trust

Inclusion & Diversity

At COS we're 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 .

To ensure we provide an insightful experience to our candidates, and we support their understanding of the role scope and responsibilities for this role, we use an online assessment method for skills-based recruitment with our recruitment processes. You will need to complete it as part of the application and screening process. Your responses will be scored by an assessment tool that applies predefined criteria set by H&M Group.

After completing the assessment, you will receive feedback with the score you obtained. If you experience any difficulties or prefer an alternative assessment method, please contact [e-mail]. Choosing an alternative will not impact your application. For more information on how we process your personal data, please see our Privacy Notice.

We are looking forward to hearing from you!