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Building a marketing portfolio with no experience

No internships yet? Here's how to build proof of skill from scratch — and the certifications worth your time.

2 min read11 March 2026By Polaris Mentor Team

Marketing is unusual among graduate sectors: employers care less about where you studied and more about what you can show. That's good news if you have no formal experience — you can build proof of skill yourself.

Make real things

The strongest portfolios contain real, measurable work:

  • Run social media for a real organisation — a local business, a charity, a student society. Show the before-and-after numbers.
  • Build a small campaign end to end — a brief, the creative, the channels, and the results, even on a tiny budget.
  • Write. A blog, a content series, a brand teardown of a company you admire. Writing demonstrates strategy and voice at once.

A portfolio that shows growth you actually drove ("grew the society's Instagram from 400 to 2,100 followers in a term") beats any list of adjectives.

Certifications worth your time

A few credentials genuinely signal capability and are cheap or free:

  • Google Analytics (GA4)
  • Google Ads / Meta Blueprint for paid channels
  • HubSpot content and inbound certifications
  • A reputable SEO course

They won't get you hired alone, but paired with real work they show initiative and fluency.

If you don't land a scheme first time

Build the portfolio anyway. Freelance a small project, volunteer to run a charity's channels, take on a part-time content role. Entry-level marketing salaries start around £18,000–£24,000, and the people who break in are usually the ones who created their own evidence rather than waiting for permission.

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