marcsox
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Brand & Product
Design Studio

We shape brands and digital products for teams with something new to bring to the world.

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Weights

Weights brings AI voice covers and image creation into one platform, giving people a place to experiment and make something of their own. We worked across brand, product and mobile to make that experience more intuitive and cohesive, opening it up to a broader audience while keeping its playful character.

  • Acquired by OpenAI
  • Brand
  • Product
  • Mobile App
  • GTM
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Playground

Playground builds software for childcare centers, helping teams manage the day-to-day work of running a center. We refined the visual design system and created marketing materials, from social templates to pitch decks. Playful illustrations brought warmth and personality to the brand as the team prepared for its next stage of growth.

  • Series A
  • Brand
  • GTM
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More case studies
coming soon

  • HQrent brand artwork: “Built by Operators. For Operators.” set in black boxes on orange

    HQrent

    HQrent gives equipment rental businesses one place to manage bookings, payments and their fleet. Built by operators, it handles the details from the first reservation to the final return, including deposits, contracts and scheduling.

    • Brand
    • Product
    • GTM
  • Webfuse brand artwork: the violet W monogram on deep blue

    Webfuse

    Webfuse lets AI agents work alongside people on the websites they already use. Agents can navigate pages, fill in forms and complete tasks within the user’s browser, without extensions or changes to the original website.

    • Brand
    • Product
    • GTM
  • CTO.new artwork: a printed receipt itemising the plan, totalling $0.00

    CTO.new

    CTO.new lets people build and run a business by chatting with AI teams. People can work with AI teams to develop software, plan marketing and handle everyday tasks, with tools for browsing, email and scheduling built in.

    • Brand
    • GTM
  • Star Path artwork: a figure seated on a ringed planet, captioned “Stop wondering if you were born in the right place.”

    Star Path

    Star Path combines astrology with conversational AI, using birth charts to personalize conversations about work, relationships and everyday life. People can ask questions, explore their chart and reflect on decisions without needing to learn astrology first.

    • Brand
    • Product
    • GTM
  • High Circle artwork: the circular monogram and wordmark over classical stone columns

    High Circle

    High Circle connects cash management with private investing and lifestyle benefits. Designed for entrepreneurs and executives, it combines financial tools with opportunities to meet peers, share knowledge and explore investments available to accredited investors.

    • GTM

What’s on the menu

Brand

Distinctive identities with a clear point of view and care in every detail.

Product

Turning complex products into intuitive experiences, from concept to launch.

GTM

A clear story, a strong presence, and the tools to launch your product.

About us

marcsox® is a design studio shaping brands, digital products and the way they’re introduced to the world.

We work closely with founders and teams to find a clear direction and carry it through. From the visual identity to the smallest interaction, we make every part feel considered and connected.

Book a call