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Plinth

AI-powered grant management and nonprofit operations

Growth Lead

Full-Time
£45k - £55k/yr
Mid
London, UK
In PersonFour days in the London office each week.
Growth & MarketingGrowth Marketing

About the job

Requirements
  • Experience conceiving, building, and shipping an idea independently, with demonstrable results.
  • Ability to develop distinctive approaches to gaining attention and ideate with a team.
  • Ability to own metrics, share them across teams, and determine how to improve them.
  • Experience in digital marketing or paid advertising, with an understanding of its limitations.
  • Ability to create systems, content calendars, and processes from disorganized material.
  • Practical experience using artificial intelligence tools such as Claude or Claude Code for research, drafting, automation, and small workflow development.
Responsibilities
  • Own inbound lead generation end to end, get Plinth in front of the right people, and convert that attention into booked calls while balancing volume and quality.
  • Take newer products to market.
  • Build a United States market, starting with grantmaking foundations.
  • Structure existing content and channels so that work does not depend on memory or luck, then share the structure with the team.
  • Work with sales to understand the sales cycle and shape growth activity around it.
  • Work backwards from outcomes using knowledge of SaaS marketing and ways to reach niche buyers.
  • Use artificial intelligence to accelerate the work of a two-person growth team, including research, drafting, and building tools and workflows.
Desired Qualifications
  • Experience creating content, regardless of whether it was successful.
  • Ability to identify multiple ways to repurpose existing content.
  • Experience working in or alongside the charity, social impact, or local government sectors.
  • Knowledge of US grantmaking or the charity and foundation sector more broadly.

About the company

Plinth is a social impact technology platform for organizations in the charity sector, including charities, CICs, foundations, and local authorities. It unites grant writing, case management, CRM, booking, volunteer management, surveys, payments, and impact reporting in one system. The AI Grant Writer analyzes past submissions and funder guidelines to craft personalized funding applications, while funders can run due diligence using Charity Commission data and financial documents. Plinth aims to streamline the entire funding cycle—from applying for grants to reporting outcomes—so nonprofits, foundations, and councils can secure funding and demonstrate impact efficiently.

Company Size

11-50

Company Stage

Early VC

Total Funding

$240K

Headquarters

London, United Kingdom

Founded

2023

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Simplify's Take

What believers are saying

  • Plinth claims 1,500+ organisations and 60+ funders managing over £200m annually.
  • The 2025 AI Grant Writer launch expands acquisition through immediate grant productivity.
  • UK local-authority demand rose with 2026 Crisis and Resilience Fund workflows.

What critics are saying

  • Blackbaud, Salesforce, Beacon, and Donorfy pressure Plinth across fundraising and CRM.
  • AI grant writing depends on trust in autogenerated applications and document handling.
  • If council and funder budgets tighten by 2026, Plinth’s paid conversion stalls.

What makes Plinth unique

  • Plinth unifies grant writing, case management, CRM, and reporting for UK third sector.
  • Its UK-first platform serves charities, councils, foundations, and CICs in one workflow.
  • Plinth’s free-forever tier lowers adoption friction for small charities and CICs.

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Benefits

  • Company Equity

Growth & Insights

6 month growth

0%

1 year growth

24%

2 year growth

24%