Founding Account Manager

mLabs; Greater London; On-site; GBP 74,000 - 133,000; Full time

Benefits offered by this job

Quarterly bonus up to 15%

Equity options

Medical insurance

UK pension contributions / US 401(k)

Job summary

MLabs is seeking a founding Account Manager for an on-site, high-intensity role in London or New York City. You will own key enterprise accounts end-to-end, leading onboarding, driving client retention, and expanding revenue with cross-functional teams.

This senior, relationship-driven position targets $150k+ ACV accounts and requires 5–10 years of relevant experience. You will report to executive leadership and act as the internal quarterback for strategic accounts, ensuring successful

Qualifications

• 5–10 years of experience in high-touch, relationship-driven account management for B2B/infrastructure or enterprise software.
• Enterprise accounts valued at $150k+ ACV with revenue targets.
• Stable employment history with no more than 3 moves in 5 years.
• Willingness to be based in London or New York City and work on-site.

Responsibilities

• Lead onboarding and go-live execution with cross-functional teams.
• Coordinate with Operations, Claims, and Product to resolve issues and maintain client trust.
• Drive account governance, SLAs, escalations, and tailored success plans.
• Identify and close upsell/cross-sell opportunities across regions and programs.
• Translate learnings into scalable playbooks and routines for growth.

Skills

Account management

Enterprise

Relationship building

Cross-functional coordination

Negotiation

Strategic planning

CRM systems

Tools

CRM software

Job description

Location:New York; London

On-site| Full-time

Compensation: Base: $100K – $180K

Our client is a fast-growing, venture-backed technology and services company backed by top-tier investors (including Y Combinator, Atomico, and Eurazeo) with over $15M in funding. Operating within a high-value industry, the client provides end-to-end operational and AI-enabled infrastructure solutions that help partners achieve significantly faster processing times, superior service quality, and optimized economics.

The client is seeking a high-caliber Founding Account Manager to join the team in either their New York City or London office. This is an on-site, high-intensity role designed for a commercially minded, relationship-driven professional looking to own key accounts end-to-end. Working closely with executive leadership, the Founding Account Manager will serve as the primary internal quarterback for strategic accounts, driving onboarding, client retention, account expansion, and cross-functional operational execution.

Key Responsibilities

• Lead Onboarding and Go-Live Execution: Build structured implementation plans, manage project timelines, and coordinate cross-functional resources to ensure seamless client launches.
• Cross-Functional Coordination: Collaborate closely with Operations, Claims, and Product teams to resolve issues rapidly, unblock bottlenecks, and maintain strong client trust.
• Account Governance & Cadence: Drive executive updates, oversee SLA compliance, manage escalation pathways, and build tailored account success plans.
• Risk Mitigation & Retention: Identify delivery risks early, proactively de-escalate potential issues, and secure ongoing renewals and referenceable client relationships.
• Revenue Expansion: Identify and close upsell and cross-sell opportunities across new lines, geographic regions, volume tiers, and program expansions.
• Process Optimization: Translate operational learnings into scalable, repeatable playbooks, frameworks, and team routines to support long-term growth.

• Experience: 5 to 10 years of experience in high-touch, relationship-driven Account Management within B2B core infrastructure, enterprise software, or complex operational services. (Note: Pure Customer Success experience will not be considered for this position).
• Deal Size: Proven track record of managing enterprise accounts valued at $150k+ Annual Contract Value (ACV).
• Target Achievement: Demonstrated history of hitting or exceeding revenue and performance targets within the past 12 months.
• Industry Background: Relevant background in InsurTech, FinTech (B2B/B2B2C), RegTech, PropTech, ConstructionTech, LegalTech, Logistics, Manufacturing, or Government Tech sectors. Knowledge of insurance industry mechanics or third-party administration is a strong plus.
• Career Stability: Stable employment trajectory, with no more than 3 job moves within the past 5 years.
• Location & Work Authorization: Must be based in (or willing to relocate to) London or New York City, with full legal authorization to work in the UK or US without requiring current or future sponsorship.
• Workplace Preference: Ability and willingness to work fully on-site in a high-intensity, high-output office environment.

• Competitive base compensation exceeding industry standard benchmarks.
• Quarterly performance bonus structure (up to 15% of quarterly salary).
• Early-stage equity participation package (stock options).
• Comprehensive medical insurance coverage.
• Retirement benefits, including a 401(k) with a 5% employer match (US) or employer pension contributions (UK).
• Fast-tracked career progression opportunities within a rapidly scaling organization.

Due to the high volume of applications we anticipate, we regret that we are unable to provide individual feedback to all candidates. If you do not hear back from us within 4 weeks of your application, please assume that you have not been successful on this occasion. We genuinely appreciate your interest and wish you the best in your job search.

Commitment to Equality and Accessibility

At MLabs, we are committed to offer equal opportunities to all candidates. We ensure no discrimination, accessible job adverts, and providing information in accessible formats. Our goal is to foster a diverse, inclusive workplace with equal opportunities for all. If you need any reasonable adjustments during any part of the hiring process or you would like to see the job-advert in an accessible format please let us know at the earliest opportunity by emailing [e-mail].

MLabs Ltd collects and processes the personal information you provide such as your contact details, work history, resume, and other relevant data for recruitment purposes only. This information is managed securely in accordance with MLabs Ltd’s Privacy Policy and Information Security Policy, and in compliance with applicable data protection laws. Your data may be shared only with clients and trusted partners where necessary for recruitment purposes. You may request the deletion of your data or withdraw your consent at any time by contacting [e-mail].