Senior Client Strategist

Helionb2b; København; On-site; DKK 850,000 - 1,100,000; Full time

Job summary

Helion B2B in Copenhagen is seeking a Senior Client Strategist to own a dedicated client portfolio, guiding growth strategy and delivering high-impact results across Growth Strategy, Content, HubSpot, and Performance Marketing.

You will lead end-to-end strategy workshops, coordinate HubSpot implementations with paid media and content efforts, and act as day-to-day PM for complex clients and key stakeholders.

Qualifications

• 7+ years of experience in B2B marketing, growth strategy, and project management.
• Fluency in Danish and English (written and spoken).
• Expert-level HubSpot knowledge or certifications.

Responsibilities

• Lead end-to-end growth strategy initiatives and workshops, mapping ABM, websites, buyer journeys, and tech implementation.
• Coordinate client management and execution, aligning HubSpot/tech with paid media and content efforts.
• Drive commercial growth by leading solution meetings, crafting audits, and identifying upsell opportunities.
• Mentor colleagues and stay ahead of B2B trends to inspire clients.
• Contribute to product development and scaling Helion’s service offerings.

Skills

Growth strategy

Content creation

Performance marketing

Project management

Relationship building

SaaS experience

Tools

HubSpot

Job description

Position: Full-time

Language: Fluent in both Danish and English

Are you ready to take ownership of your own client portfolio, drive strategic B2B growth, and deliver high-impact results?

At Helion B2B, we are a business-to-business agency with a person-to-person mindset. We engage with our clients’ businesses as if they were our own—their headaches are our challenges, and their ambitions are our objectives. As our new Senior Client Strategist , you will become a trusted advisor to key stakeholders, guiding them from initial growth strategy to high-quality execution.

The role at a glance

You will be the primary point of contact for a dedicated portfolio of clients. They will rely on you to challenge their thinking, understand their business, and deliver high-impact results across Growth Strategy, Content, HubSpot, and Performance Marketing .

Your core responsibilities

• Growth strategy initiatives: Lead end-to-end strategy processes and workshops (from scoping to final presentation). You'll map out ABM, websites, buyer journeys, tech implementation, and secure total alignment between your clients' sales and marketing teams.
• Client management andexecution: Act as the day-to-day project manager for complex clients and key stakeholders. You will coordinate HubSpot/tech implementations with paid media and content efforts to ensure seamless execution.
• Commercial growth andsales: Partner with colleagues in the sales process—leading solution meetings, crafting bespoke pitch materials (audits), and identifying organic upselling opportunities within your portfolio.
• Thought leadership andmentorship: Stay ahead of B2B trends to inspire our clients. Internally, you will coach and mentor colleagues within your core areas of expertise.
• Product development: Contribute to optimizing and scaling Helion’s core service offerings and delivery frameworks.

What we are looking for

We imagine you have a curious, growth-oriented mindset and match most of the following:

• 7+ years of experience in B2B marketing, growth strategy, and project management (experience with SaaS companies is a major plus).
• Full professional fluency in both Danish and English (written and spoken).
• Expert-level HubSpot knowledge , ideally backed by relevant certifications.
• Strong commercial acumen with experience supervising content production and performance marketing.
• A natural relationship builder who is comfortable advising and challenging stakeholders.
• Proximity to Copenhagen , with the desire to be physically present at our vibrant office in Østerbro.

Why Join Helion B2B?

We are a fast-growing partner for strategic lead generation, offering you a unique opportunity to see your ideas move from strategy to execution. You will join a young, ambitious, and deeply curious team that loves what they do. We highly value our social culture and always make sure to celebrate our successes together.

Ready to Root for Our Clients With Us?

If you have any questions about the position, feel free to reach out to Simon Skibsted, Head of Client Strategy , at [phone].