Commercial Sales Manager

Commercial Specification Sales Manager - Window Solutions

Location: London and South East

Salary: £40,000 to £65,000

Vehicle Allowance: £663 per month (no company car)

About Our Client

Our client is a globally recognised, privately held manufacturing group with more than 13,000 employees across 160 locations worldwide. They operate across multiple divisions covering window and door solutions, interior solutions, water technologies, industrial solutions and specialist medical products, making them one of the most diverse and established polymer-based manufacturing businesses in the world. Their Window Solutions division is a market leader in the design and supply of high-performance window, door and curtain walling systems for commercial construction and refurbishment projects across the UK and internationally. Certified as a Great Place to Work, the business is known for combining deep technical expertise with a strong culture of innovation and people development. This is a business with genuine global scale, long-term stability and a clear commitment to engineering progress across the built environment.

About the role

This is a field-based specification sales role covering London and the South East, selling a full range of window and door solution products into commercial developments and refurbishments.

You will develop and manage relationships with key architects, specifiers, developers, consultants and contractors, generating product and system specifications in line with business targets. A core part of the role involves working closely with commercial fabricators and installers to maintain and defend those specifications once secured.

You will also develop, host and deliver technical presentations including CPD seminars for architects and other construction professionals.

What you will be doing

* Developing relationships with architects, specifiers, developers, consultants and contractors across London and the South East

* Generating product and system specifications in line with targeted expectations

* Working with commercial fabricators and installers to maintain and defend specifications

* Delivering CPD seminars and technical presentations to construction professionals

* Providing detailed technical support and advice throughout the sales process

* Drawing on a wide range of internal supporting services to deliver client solutions

What we are looking for

* A proven track record of sales success in windows, doors, curtain walling or the building envelope sector

* Demonstrable experience in specification selling

* Project-led approach with confidence presenting at all levels

* Knowledge of wind loadings and the fabric of a building is desirable

* Strong communication and relationship-building skills

* Ability to provide detailed technical support to clients and stakeholders

Salary and package

* Basic salary: £40,000 to £65,000 depending on experience

* Vehicle allowance: £663 per month (this role does not include a company car)

* Candidates presented at the upper end of the salary range will be expected to demonstrate experience and sector knowledge commensurate with that level

Important - application timeline

Applications open until 7th July 2026
Only candidates based in UK and eligible to work in UK are allowed