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B2B content practiceToronto

B2B Content.

For founders
and teams.

Bring on a senior content operator to clarify the message, shape the content strategy, and turn company thinking into work that builds authority, earns trust, and supports new business.

Run by DUO founder Justin DeMarchi, with 9 years inside B2B tech teams across North America and Europe.

Selected clients
2021–2026
  • Nexxiot logo
  • Kritik logo
  • Ontario logo
  • TeachFront logo
  • Classet logo

Ways to work with DUO

01 · For Teams

One senior operator for your content engine.

From strategy, production, and judgment. I work with your existing creatives and marketers, or operate solo for lean teams. Content is the bridge between you and your audience. I make sure your voice and value come through consistently, and with precision.

  • One owner, fully accountable

    Not a junior, not an agency at arm’s length. One senior operator owns the whole function, end to end.

  • Content that builds authority

    Senior editorial judgment on every piece, so the work earns trust and shortlists, not just impressions.

  • A senior team’s output, without the hire

    AI carries the volume, senior judgment owns the quality. Six-figure capability at a fraction of the cost.

See how it works →
02 · For Founders

Your founder voice, run for you.

Live extraction, AI workflows, and senior editing turn your ideas into a consistent LinkedIn presence. About 2–3 hours from you a month. You stay the voice. We run everything else.

  • Show up consistently, without writing

    About 2–3 hours a month from you. We handle extraction, drafting, production, and publishing.

  • It sounds like you, because it is you

    Built from your live calls and real ideas, edited by a senior operator. Never generic, never off-voice.

  • The reach only a founder has

    Buyers trust the person before the brand. Your voice becomes the channel that pulls them in.

See the system →
Testimonials
Justin helped us position our brand as a trusted authority, providing real value through one of the top-performing channels.
Armin Baig
Director of Sales & Marketing, Kritik
Justin helped strengthen our global presence by clearly communicating differentiators in quality, innovation, and advanced asset intelligence.
Dan MacGregor
Co-Founder & CXO, Nexxiot
Justin has a real talent for brand storytelling. He knows how to craft a narrative that resonates and makes your company stand out.
Nick Jones
Co-Founder, Classet
About

I'm Justin. I run DUO as a senior content partner for B2B founders and teams.

I've spent eight years inside B2B teams across SaaS, IoT, ed-tech, and AI, plus a few years in government communications. DUO is built for lean teams that have ideas, insight, and market perspective, but need someone senior to turn it into sharper content and a more consistent presence.

The work usually takes one of two forms: embedded content leadership across the brand, or a focused Founder LinkedIn system for founder voice.

AI helps with speed and structure. Judgment, message, and craft stay with the operator.

Justin DeMarchi
Justin DeMarchi · Founder of DUO
Based
Toronto
Years
8+
Regions
CA · EU · US
Writing

Writing from inside the work.

All writing →
Studio Notes · Delivered every Thursday

A weekly letter on content, tools, and AI workflows.

One piece of writing, sent Thursday mornings. Read in five minutes. For operators building B2B content systems.