B2B Marketing Manager

Job title: B2B Marketing Manager

Location: London, Hybrid

Capacity: Full-Time Permanent

Salary: £50,000 per annum

Role grade: M5

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About Ocean Bottle:

At Ocean Bottle, our vision is to restore the health of the ocean to a better state than we inherited it. We do this by bringing people together to fund plastic collection. We create award-winning reusable bottles and cups, with every product sold funding the collection of 1000 plastic bottles in weight - before they reach the ocean. To date, we’ve collected the equivalent of 1.7 billion plastic bottles from ocean-bound regions.

We believe that we don’t need a handful of people doing sustainability perfectly, we need millions doing it imperfectly. Our products and solutions enable consumers and businesses to drive this change and support refill behaviour whilst funding plastic collection. 

As a brand, we are change makers - we bring people together, we pioneer solutions and we connect others to the power of the ocean. Are you ready to join us on this mission? 

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What you’ll be doing:

As we scale, we need smart, strategic marketers who can connect impact with performance. That’s where you come in. We’re looking for a commercially minded B2B Marketing Manager to help us build a scalable pipeline of high-quality leads and maximise the performance of our B2B channels - from corporate partnerships to wholesale.

You’ll be responsible for driving our lead generation strategy and campaign execution, focusing on smart, measurable marketing activity that builds awareness, captures demand, and converts decision-makers. You'll use tools like HubSpot to create seamless journeys and track performance across the funnel, helping us drive meaningful partnerships and fund more plastic collection.

This is a pivotal role with both strategic oversight and hands-on delivery. You’ll sit at the intersection of Sales, Marketing, and Growth, taking the charge on demand generation while supporting our broader trade marketing needs. From targeted email sequences and ABM campaigns to partner-facing toolkits and standout event presence, you’ll help us show up in all the right places, with all the right assets.

The ideal candidate will bring strong B2B marketing experience and a deep understanding of how to turn strategy into leads,  with bonus points for those who also know how to activate a partner network and deliver standout collateral that empowers sales.

Additionally, you will :

• Own and deliver the B2B lead generation strategy, with a focus on quality, CPL, and ROI

• Plan and manage integrated campaigns across email, content, events, paid, and partnerships to generate demand

• Build, optimise and maintain HubSpot workflows, nurturing sequences, segmentation, lead scoring, and reporting dashboards

• Develop and support account-based marketing (ABM) activity with Sales to engage and convert key strategic accounts

• Create and manage sales enablement tools and B2B collateral – including pitch decks, product sheets, FAQs, and testimonials

• Support trade marketing touchpoints - including co-branded POS, partner toolkits, and partner portal content

• Deliver and support marketing around key events, trade shows, and expos, working closely with Sales to ensure quality lead capture and post-event nurture

• Coordinate with Creative and Growth teams to brief compelling, conversion-focused content and campaigns

• Monitor and report on marketing performance across channels, sharing learnings and optimising activity

• Manage and track the B2B marketing budget, ensuring spend is aligned with impact and growth objectives

• Partner with the Head of Marketing and Head of Sales to improve funnel conversion, lead quality, and awareness within our Ideal Customer Profiles (ICPs)

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What you’ll get:

In addition to your salary, we offer the following benefits:

📈Stock options so you’re as invested in our future growth as we are!​

🏝️Enhanced annual leave, including your birthday off and discretionary EOY leave

⏰ Flexible working model to support our employees

🍼 Enhanced family leave for primary and secondary caregivers

🩺 Private Medical Insurance through Vitality 

🧠 Mental Health Support through the Spill platform

📚 Learning support including professional coaching through More Happi and £200 learning allowance

🚴 Travel benefits including access to electric vehicles through WeVee and Cycle to Work scheme

👕 Team merch including your very on OB when you join and staff discount to OB product

🐶 Supportive and (pet) friendly workspace in Shoreditch

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At Ocean Bottle, we're as passionate about creating sustainable change as we are about creating an inclusive environment for all. We believe in the power of diverse perspectives, identities, and backgrounds to drive us forward and build a team that truly reflects the world we want to impact. So, whether you see yourself in every part of this job description or only some, we want to hear from you. If the role excites you and you're eager to contribute to our mission, please consider applying—your unique experiences and ideas could be exactly what we need to make a splash.

What you’ll bring to the role:

• 5+ years’ experience in B2B marketing, demand generation, or growth marketing roles, ideally within a mission-led or high-growth brand

• Proven track record of driving measurable B2B lead generation and nurturing strategies

• Demonstrable experience building high-performing sales enablement assets (e.g. pitch decks, one-pagers, email templates)

• Deep experience with HubSpot (or equivalent CRM), including automation, lead scoring, segmentation, and campaign reporting

• Budget ownership experience, skilled in allocating spend to the highest-impact channels and activities

• Confident using a modern B2B marketing tech stack - from CRM and email to landing page builders, analytics tools, and ABM platforms

• Experience managing and executing events, trade shows or activations with lead capture and post-event workflows

• Confident using a modern B2B marketing tech stack - from CRM and email to landing page builders, analytics tools, and ABM platforms

• A natural collaborator and great at working across Sales, Creative and Growth teams to get things done

• Organised, proactive and results-focused, with the ability to thrive in a fast-paced, mission-driven environment

• Ideally experience with tools like Asana, Monday.com or similar project management platforms desirable

• Previous exposure to trade marketing is a bonus, including partner/retailer campaigns, POS, and co-branded activation

• Prior experience working across one or several of our B2B channels would be desirable: co-branded merchandise, promotional merchandiser, wholesale

• A genuine passion for sustainability and belief in Ocean Bottle’s mission to stop ocean plastic

• Embodying our core principles: Think like a detailed and rigorous founder, Champions do extra, and Give a sh*t and go all in on the mission.

What good looks like:

• A consistent flow of high-quality B2B leads, with clear delivery against lead volume, CPL, and conversion targets

• A well-managed HubSpot CRM, with optimised workflows, segmentation, and reporting to drive lead nurturing and pipeline visibility

• A focused ABM strategy that engages and converts target and existing accounts, with clear ROI on campaigns and tactics

• Strong sales enablement support, including impactful collateral and campaigns that align with buyer journeys and sales goals

• Effective execution of co-marketing and trade activity (e.g. POS, partner campaigns, events) that builds brand presence and drives demand)