B2B Marketing Agency London
Strategic B2B marketing for London businesses ready to grow without an in-house team.
Potent is a UK B2B marketing agency working with London businesses across SaaS, fintech, professional services and recruitment. We deliver brand, website, content and demand programmes from initial positioning to ongoing pipeline.
London is the densest B2B market in Europe. It's also the most competitive — which is why the brands that win invest in positioning, brand and digital experience rather than competing on noise. We've worked with London-based B2B businesses across SaaS, fintech, professional services and recruitment, from early-stage scale-ups to established firms repositioning for the next phase.
We're a remote-first agency with regular in-person work in London. Our clients in Greater London include businesses across the City, Shoreditch, Canary Wharf, Mayfair and the West End. We can be on-site weekly for strategic engagements where in-person workshops, customer interviews or sales rehearsals matter.
Concentration of B2B buyers
Highest in UK
Average B2B deal size
Above national average
Common sectors
SaaS, fintech, professional services, recruitment
Engagement model
Remote-first with in-person London workshops
Working with B2B businesses across Greater London
150+
150+ B2B brands built
£16m+
£16m+ pipeline generated
92%
92% client retention
2018
Founded 2018
Frequently asked questions
Are you a London-based marketing agency?
We're remote-first and work with London clients regularly, with in-person workshops and meetings where they add value. We don't carry the office overhead — which means more of your investment goes into the work.
Do you work with London startups?
Yes — we run focused engagements for London-based startups, particularly Series A–B SaaS, fintech and B2B services. Earlier-stage work is usually positioning sprints rather than full retainers.
Can you meet in person?
Yes — strategic workshops, customer interviews, sales rehearsals and launch sessions are usually on-site in London. Day-to-day work is remote with weekly check-ins.
What does a London B2B marketing agency cost?
Our prices are on one page. Thinking starts from around £1,500 a month and thinking and doing from around £3,000. See how the scale works.
Services for London businesses
Selected case studies
Ready to talk?
No hard sell. Just a conversation about where you are, where you want to go, and whether we're the right fit.