Want to collaborate as an infrastructure provider?
We're always open to partnership conversations with aligned intermediaries and service providers.
Let's talk partnerships
Contact UsIntermediaries & Service Providers
Partnering to strengthen the ecosystem.
At HOST, we collaborate with intermediaries and service providers who want to do more than deliver — you want to support lasting impact.
We support
high-impact initiatives.
Whether you're a project host, legal adviser, financial intermediary or infrastructure provider, we're here to partner with you to support high-impact initiatives with professionalism, trust and care.
Together, we help important work thrive — securely, responsibly, and at pace.
Looking to partner with a trusted ally for high-impact delivery?
Trusted infrastructure for powerful work.
HOST is the operational support system behind 100+ climate and social justice initiatives. We partner with legal, financial, and operational professionals to build shared infrastructure for initiatives, helping them navigate complexity, meet compliance needs, and stay focused on their mission.
We offer deep experience, robust systems, and a values-aligned approach that puts safety, transparency and impact first.
When knowledge, tools, and standards are developed collaboratively, the whole system gets stronger. Through our custom-built digital platform, HOSThub, we’re creating the tools for civil society to manage risk, and grow resilience in complex times.
From one-off collaborations to long-term partnerships — we work with people who share our commitment to strengthening civil society.
Have a complex project that needs delivery support?
We specialise in high-complexity, high-trust environments — and we're here to help.
Let's explore how we could work together
Submit an Expression of InterestOur partnerships
Global Citizens' Assembly: Strategic Support for Democratic Climate Action
From Vision to Global Platform for Participation
Read more about our partnership here
Story of Impact
Acter: Securing the Digital Frontline
Building the Infrastructure Behind the Action
Read more about our partnership here
Story of ImpactTrusted by intermediary and service partners worldwide
"HOST brought rigour, structure and flexibility to a highly complex international initiative — without losing sight of the values at the heart of the work."
Partner
Global Citizens' Assembly (GCA)
"Working with HOST means we can extend our support to early-stage groups who need trusted infrastructure to get started."
Director
Fiscal Sponsor Organisation
"HOST enabled us to focus on coaching delivery by holding operational complexity — it felt like a true partnership."
Co-Founder
Social Movement Coaching
Who we partner with
Legal, financial and compliance professionals
looking for a trusted operational partner for values-aligned clients or projects.
Infrastructure service providers
needing fiscal sponsorship, financial management or international operational delivery.
Project hosts and intermediaries
seeking wrap-around support to extend their offer, or refer initiatives they can't directly serve.
Why partner with HOST?
We're here to enable impact across the ecosystem — and amplify it.
15+ years of legal infrastructure experience across 100+ countries
Supported over 150 groups and initiatives working for climate and social justice
Managed over £35 million in project operation funds
Trusted by funders, changemakers and intermediaries alike
Building shared platforms to manage risk and grow resilience
Human-centred, legally sound, values-aligned
Ready to power change together?
Partner with us