Single-Startup Focus Rule
Commit fully to one startup so difficulty cannot redirect effort to an easier bet
- Difficulty
- Advanced
- Time to result
- ~ongoing to results
- Steps
- 5
- Confidence
- 98%
Jenkins says he would not invest in a founder operating multiple startups. His concern is not simply arithmetic allocation of time. When the primary company encounters a painful barrier, a second and easier venture offers emotional relief, drawing attention away at the moment concentrated effort may be most necessary. Competitors remain fully focused, and investors in the neglected company bear the cost. His decision rule is therefore to choose one operating startup, disclose and bound outside interests, monitor where founder effort goes, and stay with the hard problem until evidence supports a deliberate stop. The rule is contextual rather than universal: it addresses founders asking stakeholders to back a specific high-demand venture, not every passive investment or intentionally designed portfolio.
Origin
Jenkins says Moonpig's hardest barriers demanded complete focus. As an investor, he requires founder shareholders to focus on the funded company and restricts their stakes in other unlimited companies.
Core principles
- 01A startup already competes against fully committed rivals
- 02Multiple ventures make the easier problem emotionally attractive
- 03Breakthrough effort is most important when the main venture hits resistance
- 04Investor capital implies focused founder commitment
How to run it
- 1
Name the primary commitment
Choose the startup whose customers, staff, and investors receive your operating focus.
Pro tip Write down what full focus means in time, decisions, and availability.
Watch out Do not market several projects as individually founder-led if none receives that commitment.
- 2
Disclose competing interests
List other companies, material holdings, advisory roles, and commitments that could redirect attention or create conflicts.
Pro tip Agree boundaries before accepting investment.
- 3
Remove operating alternatives
Pause, close, or transfer day-to-day responsibility for other startups so they cannot become an escape route.
Pro tip Distinguish passive ownership from active operation.
Watch out Respect existing obligations when transferring or closing work.
- 4
Track actual focus
Review where time, attention, capital, and key decisions went rather than relying on a stated priority.
Pro tip Pay special attention during difficult weeks when avoidance is most tempting.
- 5
Push through or stop deliberately
Concentrate on the central barrier until evidence supports overcoming it or making an explicit decision to end the venture.
Pro tip Use evidence, not the emotional appeal of an easier project, to decide when to stop.
Watch out Persistence is not a reason to ignore insolvency, harm, or disconfirming evidence.
In the wild
Jenkins says Moonpig encountered periods when the business appeared to be going down and that these barriers demanded complete focus. He argues that with three ventures, a founder is likely to move toward the one that feels easier precisely when the difficult one needs concentrated work.
→ A single operating commitment keeps the founder's effort aligned with the venture and stakeholders they asked others to back.
Common mistakes
Dividing time on paper
The risk is not only a planned percentage split; attention can migrate toward the venture that provides easier progress and emotional reward.
Hiding optionality from investors
Stakeholders cannot judge founder commitment fairly when active outside ventures are undisclosed.
Confusing focus with endless persistence
The rule calls for a deliberate evidence-based stop when warranted, not continuing a disproven or harmful venture indefinitely.
Is it for you?
Best for
It is best for founders leading an early-stage company that needs concentrated execution and has accepted outside investment or major stakeholder commitments.
Not ideal for
It is not ideal as a blanket ban on disclosed passive holdings, small experiments outside operating hours, or a deliberate portfolio model with no promise of founder exclusivity.
From the transcript
“I wouldn't invest in anybody that had multiple startups”
“you focus on the one that's going well because it makes you feel better”
“you need to be completely focused on crashing through that wall”
From the episode
Moonpig Founder: How I Built A $150 Million Business WITHOUT Sacrifice: Nick Jenkins