About Us

At 5th Floor Consultancy, we work with French and European companies to strengthen their international positioning on the global stage.

Whether you're preparing for a funding round, entering a new market, or fine-tuning high-level investor materials, we combine language precision and pitch delivery with business insight to help you reach your goals.

Our team brings experience from fast-paced startup environments as well as major corporate projects involving strategic documentation and investor-facing communications.

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What we do

Analyse your current position and business goals.

Plan a strategy tailored to your needs, broken down into key work blocks.

Work alongside decision-makers to move strategy into action.

Discover our services

Our 360° insight

Our approach is comprehensive, cross-disciplinary, and always tailored to where you are now and where you want to go in the future. From early-stage startups to established firms ready to scale, we provide the insight, structure, and cross-cultural communication strategy & execution you need to succeed on the global stage.

We work with you across the full business spectrum:

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    Strategy

    We partner with leadership teams to define, refine, and achieve strategic goals through a truly international perspective.
    From strategic pivots to international expansion, we create the conditions for measurable progress and tangible results.

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    Investor Documents & Strategic Agreements

    Investor presentations and shareholder agreements can vary widely from one country to another. We provide insight into the structures and practices behind the documents you work with.

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    Compliance & Risk Management

    With experience in regulatory environments, we review your English-language materials for precision, tone, and alignment with international expectations. Because compliance jargon doesn’t always translate, we help ensure your message is understood as intended. .

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    Audit & Quality Control Readiness

    Our approach enables confident, effective communication during audits and inspections—whether guiding auditors or clients through your manufacturing process. We prepare you to deliver clear explanations in English and respond to questions in real time.

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    Corporate Communication & Brand Identity

    Your brand should resonate worldwide. We shape messaging and positioning strategies that build credibility, consistency, and connection across markets.

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    Human Resources

    We enable talent attraction and retention across borders. From internal communication to leadership development, we ensure your teams grow in line with your vision.

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    Sales & Marketing

    We partner with leadership teams to define strategies for international markets.
    Together, we position your offering to build trusted relationships with global audiences.

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    Technical Communication & Collaboration

    We work with technical teams — including data scientists and architects — to communicate clearly about complex projects and facilitate communication between technical experts and corporate decision-makers.

Meet the Team

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Teri Jansen 

FOUNDER -EXECUTIVE CONSULTANT

With an energetic and entrepreneurial “can-do” American mindset, professional experience in ‘Chicago, New York, London, and currently based in Paris, I bring a unique perspective on how to succeed in English-speaking business environments.

“My goal is to build connections between great ideas to the international stage.”

    • Holds a B.S. in Psychology specializing in Industrial Organization with a minor in Buisiness Studies from the University of Illinois

    • TEFL Certified

    • Originated residential mortgages at The Royal Bank of Canada (Chicago)

    • Specialized in investor relations and marketing for hedge funds in New York

    • Worked as an independent consultant in Luxury Brand Strategy and E-Commerce in London

  • Teri advises leadership teams on international growth, combining business development, brand positioning, and investor relations expertise. With a background in compliance and risk management, she supports strategic decisions that strengthen market presence, attract investment, and navigate complex regulatory environments.

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PUBLIC SPEAKING AND PRESENTATION SPECIALIST

Katie Jackson (They/Them)

My approach is collaborative and personalized. I use vocal techniques, movement exercises, and presentation strategies to help my clients express themselves with clarity, confidence, and conviction, while also developing their English communication skills.

    • TEFL-certified vocal and performance coach

    • Experienced director and dramaturg in London

    • Trained in stage management at the Royal Academy of Dramatic Arts (RADA)

    • Experience in London’s West End and collaborated with renowned actors such as Sheila Hancock and Simon Callow.

    • Studied directing at the Royal Conservatoire of Scotland, where she deepened her expertise in voice, movement, and theatrical direction

  • Katie specializes in public speaking, presentation skills, and spoken English fluency, drawing on her theatre training to enhance vocal presence, confidence, and performance impact. She equips clients with the tools to communicate effectively and assertively in English.

“Assert your voice. Embody your leadership in English.”