Why this decision matters more than founders think

Once incorporation is done and shares are issued, the cap table is set. Renegotiating it later, when one co-founder is contributing far more than another, or when a fundraising round forces clarity, is always harder, more expensive, and more relationship-damaging than getting it right at the start. The equity split is the most important decision a founding team makes in the first 30 days, and it is the one most teams give the least serious thought to.

Three common approaches, and where each one fails

1. Equal split (the default)

Three co-founders, one-third each. It feels fair, signals trust, and is the easiest to agree on at the start. The problem is that "equal" is only true on day one. Within 18 months, contribution rarely remains equal, one founder is full-time while another moonlights, one brings in revenue while another debugs the back-end, one becomes the face of the business while another goes quiet. An equal split makes that asymmetry permanent.

The 50/50 split between two founders is particularly dangerous: every reserved matter, every major decision, every dispute becomes a deadlock with no statutory tie-breaker. See our article on deadlock resolution.

2. Role-based split

Equity allocated by role: CEO gets the most, CTO next, COO, and so on. Cleaner than equal split because it acknowledges differences in responsibility, but treats current role as permanent. People change roles. New skills become critical. A founder who was COO at start may become CEO; the cap table will not move with them.

3. Value-based / contribution split

Equity allocated by what each founder is actually contributing: idea, capital, full-time commitment, network, IP, customer relationships. Frameworks like Frank Demmler's Founder Pie Calculator weight each factor. Closer to honest, but the weighting is itself negotiated, and the conversation can become uncomfortable.

What makes any split workable: the vesting overlay

Regardless of how the equity is split, vesting transforms a static decision into a dynamic one. A founder who leaves in year one with 30% but only 25% vested forfeits the rest. The team that remains is not held hostage by the cap table. We cover the standard four-year vest with one-year cliff in our founder vesting article.

Vesting is what makes an "imperfect" split survivable. Without vesting, the wrong split is permanent.

The shareholders' agreement that locks it in

Whatever split is chosen, the shareholders' agreement should capture:

  • The agreed split and the basis for it (so the rationale is not forgotten);
  • Vesting schedules and acceleration triggers;
  • Good-leaver / bad-leaver distinctions;
  • Roles and the minimum time commitment expected of each founder;
  • The reserved matters that prevent any one founder from unilateral action;
  • The exit mechanism if a founder departs (buy-back at agreed valuation);
  • How the option pool will be expanded later (so the founders know the dilution in advance).

Common pitfalls we see

  • "We will sort it out later."The cost of "later" is almost always higher than the cost of "now".
  • Equal split as conflict avoidance. If the founders cannot have an honest conversation about contribution at the start, that is a signal.
  • No vesting. The single most expensive omission. We have seen full equity walk out the door with a co-founder in month four.
  • Ignoring the option pool. Founders set their split assuming 100% is theirs. Then they need to grant 10–15% to early employees and find themselves diluted before any external fundraising.
  • Ignoring the next round. A 50/50 split looks tidy until a 25% investor comes in and the founders are at 37.5% each, still equal, but with a third voice that can swing every vote.

How to think about it

Treat the equity split as the most consequential negotiation of the founding period. Have the awkward conversation now, with a lawyer in the room if it helps. Document the rationale. Layer vesting over the result. Capture it in a shareholders' agreement that anticipates the future, not just the present.

A clean cap table is a quiet asset for years. A messy one is a loud problem the day investors do due diligence.

If you are about to set up the founding equity split, or restructure an existing one, please contact us before the share register is cast in concrete. The earliest decisions are the hardest to unwind.

为什么这项决定比创办人想象的更重要

注册成立、股份发行完成后，资本结构表（cap table）即被固定。日后再调整，当一位共同创办人贡献远超另一位，或当融资轮逼出清晰格局时，永远比一开始就做对更难、更贵、更伤关系。股权分配是创办团队在头 30 天内做出的最重要决定，但也是被多数团队思考最少的一项。

三种常见做法，以及每一种的失败之处

一、平分（默认做法）

三位创办人，各三分之一。第一天看起来公平，传递信任感，且最易达成共识。问题在于：「平等」只在第一天为真。18 个月内，贡献几乎不会继续平等，一位全职，另一位兼职；一位带来收入，另一位调试后端；一位成为业务的对外面孔，另一位逐渐沉默。平分让这种不对称成为永久。

两位创办人 50/50 之分配尤其危险：每一项保留事项、每一项重大决定、每一次争议都将形成无法定打破之僵局。详见我们关于「僵局化解机制」的文章。

二、按角色分配

按角色分配股权：CEO 最多，CTO 次之，COO 再次之。比平分更干净，因为它承认责任之差异，但视当前角色为永久。人会改换角色；新的关键技能会出现。一位最初担任 COO 的创办人后来可能成为 CEO；但资本结构表不会随之移动。

三、按价值／贡献分配

按每位创办人实际之贡献分配股权：构想、资金、全职投入、人脉、知识产权、客户关系。Frank Demmler 的「创办人饼图计算器」等框架，会对各因素加权。更接近诚实，但权重本身需要协商，而这场对话可能令人不适。

让任何分配可行的关键：归属安排叠加

无论股权如何分配，归属安排都会将一项静态决定转化为动态决定。一位在第一年内离开、持 30% 却仅 25% 已归属的创办人，须放弃其余部分。留下的团队不被资本结构表绑架。我们在「创办人股权归属」一文中详述四年归属附一年悬崖期之标准做法。

归属安排是让「不完美」分配仍可承受的关键。若无归属，错误的分配将永久存在。

将其锁定的股东协议

无论选择何种分配，股东协议应捕捉以下内容：

  • 已约定之分配比例及其依据（使理据日后不被遗忘）；
  • 归属时间表与加速触发条件；
  • 「好离场／坏离场」之区分；
  • 每位创办人之角色与最低时间投入承诺；
  • 防止任一创办人单方行动之保留事项；
  • 创办人离开时之退出机制（按约定估值回购）；
  • 期权池日后将如何扩展（使创办人事先掌握稀释幅度）。

我们常见的陷阱

  • 「我们以后再处理。」「以后」的代价，几乎总是高于「现在」。
  • 以平分回避冲突。若创办人之间无法在第一天就贡献作出诚实对话，这本身就是讯号。
  • 无归属安排。最昂贵的疏漏。我们曾见到全份股权在第四个月随一位共同创办人走出公司大门。
  • 忽视期权池。创办人按「100% 都是自己的」设定分配，随后须授予早期员工 10–15%，结果在引入任何外部融资之前便已被稀释。
  • 忽视下一轮。50/50 看似工整，直到一位 25% 投资人进入，创办人变为各 37.5%，仍然「平等」，但多出一位可在每一次表决中左右胜负的第三方。

如何思考这项决定

将股权分配视为创办期最具后果的一场谈判。在第一天就进行那场尴尬的对话，必要时让律师在场。记录理据。在结果之上叠加归属。以一份既预见未来、亦回应当前的股东协议加以捕捉。

一份干净的资本结构表是多年间安静的资产；一份混乱的资本结构表，是投资人尽职调查那一天响亮的问题。

若您即将设立创始股权架构，或正在重新调整现有股权安排，请在股东登记册尚未定型之前与本所联系。最早期的决策，往往是日后最难推翻的。