Founder's Builder & Growth Partner (London)

Mash Studios Official; Greater London; On-site; GBP 60,000 - 90,000; Full time

Job summary

Mash Studios is seeking a highly capable Right Hand to Founder / Founder’s Associate to join at the very start. You will work directly with the founder, exploring new markets, talking to customers and partners, and shaping opportunities into real businesses.

No prior media experience required; the emphasis is on thinking, speed, and practical execution. Based in London, this role offers exceptional exposure to building new ventures from the ground up, with a strong focus on commercial thinking,

Qualifications

• Commercially curious mindset and ability to reason about ROI, pricing, margins and P&L.
• Ability to start from a blank sheet and translate vague ideas into concrete opportunities.
• Strong written and verbal communication to test assumptions with customers and partners.

Responsibilities

• Take ideas from a blank page and rapidly understand unfamiliar markets.
• Talk to customers and commercial partners, test assumptions and build business cases.
• Help turn the strongest opportunities into real businesses and own early-stage development.

Job description

Mash Studios is seeking a highly capable Right Hand to Founder / Founder’s Associate to join at the very start. You will work directly with the founder, exploring new markets, talking to customers and partners, and shaping opportunities into real businesses.

No prior media experience required; the emphasis is on thinking, speed, and practical execution. Based in London, this role offers exceptional exposure to building new ventures from the ground up, with a strong focus on commercial thinking,