COS Buyer - Womenswear (Denim) in London

As a Buyer on the Womenswear team with focus on denim, you will maximise your department's sales and profitability by executing the right product and purchasing strategy for the customer, balancing time, price, quality and quantity. You lead product development with a strong understanding of COS aesthetics and the COS customer, ensuring efficient component and product development that supports growth and profitability. In close collaboration with the Assortment Planner and Concept Designer, you plan and deliver a strong, cohesive assortment, working cross‑functionally with the Buying, Design, Pattern, Material and Supply Chain teams to secure a commercially sound range.

Responsibilities

• Customer‑centric buying strategy – Set and execute the department vision based on customer needs, market trends and COS brand direction. Drive a balanced assortment with clear aesthetics, the right product mix, price architecture, quantities and timing, aligned with long‑term brand and commercial goals.
• End‑to‑end product and component development ownership – Own and execute efficient product and component development from start to end, including samples, colours and materials, ensuring purpose, quality, sustainability and profitability throughout the process.
• Commercial performance and analytical decision‑making – Take buying accountability by analysing purchase targets, sales performance and customer insights. Proactively react to results, identify new sales opportunities and maximise short‑ and long‑term sales and profitability.
• Cross‑functional collaboration and execution excellence – Work closely with Design, Pattern, Fabric, Production, Buying Controllers, PO teams and Supply Chain to align strategies, budgets and timelines, ensuring efficient workflows, accurate component bookings and on‑time delivery.

Qualifications

• Alignment to company values – 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.
• Proven buying experience – Previous experience at Buyer level is essential, with strong denim expertise. Product‑development mindset and experience working closely with an in‑house design team.
• Customer and market insight – Strong understanding of customer needs, behaviour and trends, with the ability to translate insight into commercially relevant, brand‑appropriate product and assortment decisions.
• Commercial and analytical acumen – Confident in analysing sales, margins, purchase targets and performance data, using insight to inform buying strategies and improve overall profitability.
• Product and aesthetic judgement – Deep understanding of COS aesthetics, quality expectations and product purpose, with a strong eye for components, colours, best basics and fashion relevance.
• Strategic planning and execution – Highly organised with the ability to manage complex timelines, omni‑channel requirements, regional planning and capacity considerations while securing delivery against plan.
• Communication and influence – Effective communicator who builds strong partnerships across Buying, Design and Supply Chain, aligning diverse stakeholders around shared goals and delivering through collaboration.

Employment Type

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

Benefits

• 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
• All employees receive a 25% staff discount on H&M Group brands and are included in the H&M Incentive Program (HIP).

Inclusion & Diversity

At COS we are determined to create and maintain inclusive, diverse and equitable workplaces throughout our organisation. Diversity is considered throughout our recruitment process.