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Customer Success Manager / Inside Sales (Contractor)
£35k – £50k/yr London, GB hybrid contract junior Mar 31, 2026
About this role
About Agency Cybersecurity:
Agency Cybersecurity is fast growing ventured back startup that provides best-in-class cybersecurity and compliance. Our software and services simplify complex compliance frameworks including SOC2, ISO 27001, HIPAA, and others, empowering businesses to scale securely and confidently. We're backed by top tier investors like Y Combinator and have offices in NYC, Boston, Richmond, and London.
Location: London (local candidates only)
Position Type: Contractor
Compensation: £35,000 – £50,000 OTE (including bonus) + additional commission opportunities
Company: US-based startup (cybersecurity & compliance)
About the Role
We’re hiring a Customer Success Manager / Inside Sales to support and grow relationships with our customers in a fast-paced, high-growth startup environment.
This is a hybrid role combining customer success, account management, and inside sales. You’ll be responsible for ensuring customers are successful while also identifying opportunities to expand accounts through upsells and renewals.
This role is ideal for someone early in their career who is interested in sales, startups, and building commercial experience quickly.
What You’ll Do
Own relationships with a portfolio of customers from onboarding through renewalAct as the primary point of contact for day-to-day customer need.Drive product adoption and ensure customers achieve their desired outcomesIdentify and execute upsell and expansion opportunitiesSupport and close renewalsCollaborate with sales, product, and operations teams to improve customer experienceMaintain accurate account notes and pipeline tracking
What We’re Looking For
2+ years of experience in B2B SaaS or services (customer success, account management, or sales)Strong communication and relationship-building skillsCommercial mindset with interest in sales and revenue ownershipHighly organized and comfortable managing multiple accountsAbility to operate in a fast-paced startup environmentMust be based in London
Compensation & Structure
From £35,000 – £50,000 OTE (base and bonus)Additional upside through commission on upsells and renewalsContractor role with opportunity to grow into a larger commercial position over time
Why Join
Work directly with a US-based startup serving high-growth companiesGain hands-on experience across customer success and salesClear path to move into full-cycle sales or senior account managementHigh ownership, fast learning, and direct exposure to leadership
Locations: London, United Kingdom