Key Account Manager

Job Description: Key Account Manager

Reporting to: Head of Commercial

Key internal stakeholders: CEO, Managing Director, Director of Bids, Head of Bids.

About Thornton \& Lowe:

Thornton \& Lowe is an independent consultancy that helps organisations win and deliver more public sector and regulated work. We support clients across the full procurement lifecycle, from early opportunity identification and bid strategy through to tender delivery, framework applications, evaluation support, and wider commercial consultancy.

Known for our practical, hands\-on approach, we work closely with clients to understand their goals, provide clear and commercially focused advice, and deliver support that is both compliant and results\-driven. Our team combines deep sector knowledge with a collaborative, values\-led culture, creating an environment where people are trusted to make a difference, contribute ideas, and play an active role in helping clients succeed.

Overview of the role:

As Key Account Manager, you will play a central role in building strong, long\-term partnerships with our retained clients, leading their onboarding journey, shaping service delivery, and helping them achieve meaningful commercial results. This is a dynamic, client\-facing role that combines relationship management, strategic thinking, and operational coordination, giving you the opportunity to make a visible impact for clients while working closely with colleagues across the business to deliver an exceptional experience.

Key Responsibilities:

• Retained client onboarding: Take ownership of onboarding new retained clients, managing each onboarding project from initiation through to successful completion.


• Client strategy delivery: Act as a trusted strategic partner to clients, reviewing performance, identifying opportunities for improvement, and recommending adjustments to maximise results.


• Performance management: Monitor client performance against agreed commercial objectives, working closely with internal teams to ensure service delivery remains aligned with client goals.


• Client communications, reporting and administration: Lead regular client meetings, present results and insights clearly, and maintain accurate project management and CRM records.


• Client relationship management: Manage client expectations effectively and respond promptly to any service issues, working with internal teams and clients to achieve timely resolution.


• Consultancy and guidance: Provide tailored advice, market insight, and best\-practice guidance throughout the contract period to support client growth and maximise value from the service.


• Client renewals: Work with lead bid writers and internal stakeholders to manage retained client renewals, identifying risks early and escalating concerns where appropriate.


• Record keeping: Maintain accurate and up\-to\-date internal trackers, client records, and CRM data, including Zoho.


• Quality and accuracy: Ensure a consistently high standard of accuracy, quality control, and attention to detail across all aspects of client delivery.


• Internal stakeholder management: Build strong working relationships across the business, providing regular updates and collaborating effectively with colleagues to support successful client outcomes.


• Wider sales team support: Provide support to the wider sales team where additional capacity or input is required.


• Other duties: Undertake any other reasonable duties requested by your line manager that are consistent with the responsibilities of this role.

• A minimum of two years’ experience in a customer success, account management, or client relationship management role.


• Excellent communication and interpersonal skills, with the ability to build credible and trusted relationships with clients and internal stakeholders.


• Commercial understanding of the day\-to\-day operation of account management.


• Strong organisational and time management skills, with the ability to manage multiple client priorities and deadlines effectively.


• A high level of accuracy and attention to detail across written communication, reporting, and client administration.


• The ability to work collaboratively across multiple teams and contribute positively within a fast\-paced, client\-focused environment.


• Professional presentation skills, with confidence in leading client meetings and communicating clearly both verbally and in writing.


• A willingness and ability to travel to client sites as required.

• Experience within the public sector, procurement, bid support, or professional services environment.


• Experience leading client review meetings, service performance discussions, or strategic account planning conversations.


• Knowledge of CRM systems, ideally Zoho CRM and associated platforms, with confidence in maintaining accurate client and pipeline data.


• Experience working with retained service models, account growth activity, or client renewal processes.


• Understanding of business development, client retention, and the commercial drivers that underpin successful account management.

• A salary of £32,000 to £36,000 per annum, depending on experience.


• Eligibility for an annual profit share bonus.


• 28 days’ annual leave.


• An additional day of birthday leave.


• Access to Health Shield benefits.


• Access to a High Street discount programme.


• Ongoing development opportunities within your role and across the wider business.

Company Overview

Thornton \& Lowe has been helping businesses to grow since 2009! We have since grown in numbers and now have a directly employed core team of professionals split across our 3 key bid divisions; Bid Writing, Bid Resource and Bid Training. Our vision is to consistently deliver a customer centred, high performance service, which adds value for our clients, advance the development of our staff ahead of competitors and to assist more clients in securing contracts than any other consultancy business. Our core values are Passion \& Drive, Accountability \& Responsibility, Integrity \& Honesty and Learning \& Development.

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