After accompanying hundreds of formations, we noticed that the big mistakes repeat — and most could have been avoided with one simple early decision. Here are the top five and how to dodge them.
1. Starting without a founders’ agreement
The most dangerous mistake of all. Partnerships start with enthusiasm and sometimes end in dispute — without a written agreement defining shares, roles, exit mechanics and dispute resolution, a small disagreement becomes a battle that destroys the company.
The fix: a written, signed founders’ agreement before the first pound is spent, however strong the trust between partners.
2. Choosing a legal form that doesn’t fit your funding plans
You set up a sole establishment, then a serious investor appears — and you discover their entry requires a full re-incorporation at double the cost and time.
The fix: think about your three-year roadmap before choosing the entity, not just your current situation.
3. Neglecting the tax file in year one
Many founders postpone tax registration and bookkeeping "until profits start" — then get surprised by late penalties that exceed whatever they saved.
The fix: register your tax file at formation time, and keep organized books from month one even if activity is zero.
4. Mixing personal and company money
One account for everything means you never know your company’s real profitability, weakens your legal protection, and turns any tax inspection into a nightmare.
The fix: a separate company bank account from day one, and a defined founder salary — even a symbolic one.
5. Postponing trademark registration
You build a name and reputation for a whole year, then discover someone registered the name before you — so you start from zero or pay for a buyout.
The fix: search and register your trademark as part of the formation steps themselves, not after.
Bottom line
Proper formation is not paperwork to get done — it is the foundation everything else is built on. If you want someone to review all these points with you before you start, our team at Tasees Business offers a first consultation — contact us today.