Account Manager
Listed on 2026-10-04
-
Sales
Client Relationship Management, Account Manager, Customer Success Management
Title: Account Manager
Company: Mamba Marketing
Location: Cwmbrân, Wales, United Kingdom
Account Manager
Location: NP44 3AB
| Full-time in Office
Department: Client Services
Reports to: Head of Services
Level: Senior
Join One of the UK's Fastest Growing Performance Marketing Agencies!
Mamba Marketing is a dynamic and innovative marketing services provider, committed to helping businesses grow through cutting-edge marketing strategies.
About the Role
We're looking for an experienced Account Manager to join our Client Services team and take ownership of a portfolio of clients from onboarding through to long-term retention and growth.
This is a relationship-led, commercially focused role. You'll be responsible for making sure clients receive a consistently high level of service, understand the value we provide, and have a clear reason to continue working with us.
You'll manage a portfolio of approximately 20-25 clients, acting as their main point of contact and working closely with our internal teams to ensure accounts are set up correctly, managed effectively and continually developed.
A key part of the role will be identifying opportunities to grow existing client accounts. You won't be responsible for closing those opportunities yourself; your role is to understand the client, spot the opportunity and pass qualified opportunities to our Sales team to progress.
Key Responsibilities
Client Management & Retention
- Own a portfolio of approximately 20-25 clients
- Build strong, trusted relationships with clients and become a genuine partner to their business
- Maintain regular communication and ensure clients are receiving the level of service expected
- Proactively identify and address potential issues before they become retention risks
- Understand each client's objectives, challenges and commercial priorities
- Take ownership of client satisfaction and retention throughout the relationship
- Manage difficult conversations and resolve issues professionally and confidently
- Understand when additional internal support or escalation is required
Onboarding & Account Setup
- Take ownership of the client journey from initial handover through to successful onboarding
- Ensure all relevant information, expectations and requirements are clearly understood
- Coordinate with internal teams to ensure accounts are set up correctly and ready to launch
- Set clear expectations around communication, deliverables and ongoing account management
- Ensure the transition from onboarding into ongoing account management is seamless
Account Development & Upsell Opportunities
- Develop a strong understanding of each client's business and identify opportunities where Mamba can provide additional value
- Proactively identify potential upsell, cross-sell and service expansion opportunities
- Understand the commercial opportunity rather than simply waiting for clients to ask for more
- Qualify opportunities and pass them to the Sales team with the relevant context
- Work collaboratively with Sales to support opportunities through to completion where appropriate
- Maintain awareness of the wider services Mamba offers and how they could benefit existing clients
Internal Account Management
- Work closely with Paid Media, Social, Email, Creative and other internal teams to ensure clients receive a joined-up service
- Ensure client feedback and requirements are communicated clearly internally
- Challenge internal teams where necessary to ensure the client's needs are being met
- Maintain strong knowledge of client performance, activity and current priorities
- Ensure actions and commitments are followed through
What Success Looks Like
This isn't a role built around hitting a long list of traditional Account Manager KPIs.
Success means:
- C…
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