Assistant Buyer

Mountain Warehouse; City of Westminster; On-site; GBP 25,000 - 40,000; Full time

Benefits offered by this job

Hybrid working

London office

Staff discount

Pension scheme

Job summary

Mountain Warehouse in London is seeking an enthusiastic Assistant Buyer to grow with the buying team. You will develop seasonal range plans, analyze customer buying patterns, and maintain strong supplier relationships.

The role covers UK, EU, and North America territories; you will manage critical paths, support promotional activities, and ensure timely deliveries. A strong eye for detail and advanced Excel skills are essential.

Qualifications

• Experience at Assistant Buyer level within an own buy retailer.
• Strong Excel skills and data interpretation.
• Ability to manage relationships with suppliers and cross-functional teams.
• Experience in seasonal range planning and profitability awareness.

Responsibilities

• Assist in seasonal range plan development, analyze customer patterns, forecast sales, and present findings clearly.
• Buy for UK, EU, and North America territories.
• Collaborate with Head of Buying to maximize profits and ensure commercially viable ranges.
• Review stock, sales and orders regularly and act with urgency to hit targets.
• Maintain supplier relationships and coordinate with other departments.

Skills

Eye for detail

Excel

Relationship building

Forecasting

Tools

MS Office Suite

Job description

Assistant Buyer

Application Deadline: 12 December 2026

Department: Buying

Employment Type: Permanent - Full Time

Location: London

Description

We are seeking an enthusiastic, resourceful, hardworking Assistant Buyer to grow with the company and add value to our team. Experience at an Assistant Buyer level is necessary, as is an exceptional eye for detail, the ability to develop and maintain effective relationships across all areas of the business.

Key Responsibilities

• Assisting in seasonal range plan development - analysing customer buying patterns, forecasting sales and predicting future trends, presenting findings in reports and presentations in a clear and logical format, this will include ratio calculations for size and colour;
• Buying for three key territories which include the UK, EU and North America.
• Work with your Head of buying to maximize profits and provide a commercially viable range of merchandise at competitive prices.
• Assisting in regularly reviewing stock, sales and orders and react with necessary urgency to ensure sales, stock & profit targets are achieved;
• Maintaining relationships with suppliers.
• Liaising with other departments within the organisation to ensure projects are completed;
• Participating in promotional activities, helping the buying and merchandising team to identify slow moving stock, suggesting marks downs or promotions, as well as coordinating promotions and clearance events in store;
• Creating style books for products, identify when to update trim labels, fabrications and packaging, and liaise with graphic designer to ensure a consistent brand image;
• Managing the critical path, monitoring all orders from initial product development through to delivery, ensuring the smooth running of the development process, maintaining delivery schedules and key deadlines throughout;
• Managing sample process ensuring all designs and fabrications are executed correctly, meeting brand requirements;
• Lab dip and trim approvals and feeding back to suppliers
• Training and mentoring the BAA in the team.
• Approving PTS, for shipments.

Attend fit meetings with QC, making suggestions on fit, styling, trims etc.., as well as signing off sample

We would like to meet someone who is

• You will have relevant experience at Assistant Buyer level within an own buy retailer
• Experience of fully managing the critical path for your department
• Be aware of competitors and help to try and keep MW the best value on the high street
• Confident approach to offer suggestions on the type and quantity of product for the department given the budgeted OTB
• Good interpersonal skills – able to build and manage relationships with colleagues and suppliers, communication is key at all times
• Strong IT skills most importantly in Excel or equivalent
• Commercial and keeps up to date and aware of market trends, changes in demand
• Able to fully understand customer needs and demands (e.g. price, quality, availability)

Strong time management skills and able to prioritize as this is a never-ending job and there will always be more to be done

Benefits

• Competitive salary and benefits package
• Hybrid working, 4 days in London based office & 1 working from home
• Holiday allowance
• 50% staff discount & 25% for family and friends
• Pension scheme