A missing shareholder agreement has destroyed more startups than bad products. How to Write a Shareholder Agreement; Learn what clauses to include — vesting schedules, drag-along rights, tag-along, and deadlock resolution.
How to Write a Shareholder Agreement in 2026: What Every Founder Must Include
Great question. How to Write a Shareholder Agreement; A well-drafted shareholders’ agreement (often called a founders’ or shareholders’ agreement) is one of the most important documents in your startup’s legal stack. It sits “on top of” your Articles/Incorporation and governs how shareholders behave toward each other and toward the company.
I’ll walk you through what to include in 2026, point out common pitfalls, and flag things that are best left to your Articles or separate investor agreements rather than the founders’ SHA.
This is practical guidance, not legal advice. Have a startup/corporate lawyer in your jurisdiction review or draft your document.
High-level structure of a solid shareholders’ agreement
How to Write a Shareholder Agreement; Think of your SHA as covering five pillars:
- Who owns what and how shares work
- How decisions are made and how the board is controlled
- What happens if a founder leaves or dies
- How shares can be transferred and how exits work (including drag/tag-along)
- Dispute resolution and governing law
Here’s a simple view of the shape of a typical SHA:
- Parties & Definitions
- Issuance & Ownership
- Decision Rights & Board
- Founder Departure & Vesting
- Transfers, ROFR, Tag-Along, Drag-Along
- Exits & Liquidity
- Dividends & Liquidation
- Dispute Resolution & Governing Law
How to Write a Shareholder Agreement; Below I’ll break down what to put in each pillar and add 2026-specific tips and traps.
1) Parties, preamble, and definitions
How to Write a Shareholder Agreement; Do these first and do them cleanly:
- Parties:
- Full legal name of the company and each shareholder (use exact names as they appear in the company register or stock ledger).
- For individuals: full name and address.
- For entities: full legal name and jurisdiction of registration.
- Recitals (background):
- One short paragraph explaining why this agreement exists (e.g., “The Company was incorporated on [date] in [jurisdiction]. The Shareholders hold all of the issued shares and wish to set out their rights and obligations.”).
- Definitions:
- Capitalized terms for consistency (e.g., “Board,” “Company,” “Shares,” “Founder,” “Investor,” “Permitted Transferee,” “Affiliate”).
- Avoid circular definitions where a term is used only once.
Why this matters: Clear definitions avoid ambiguity later—exactly what litigations feed on. Recent guidance continues to stress clearly defined terms as a best practice in corporate contracts.
2) Issuance, capitalization, and ownership
How to Write a Shareholder Agreement; Make the SHA match reality as of the signing date:
- Capitalization and share types:
- State the authorized capital and number/type of shares (e.g., Common, Series Seed Preferred) on the signing date.
- Note that future issues can only be made in accordance with the Articles or as this agreement may be amended.
- Share ownership and cap table:
- List each shareholder, class of shares, number, and percentage (on a fully diluted basis if possible).
- Include a simple cap table statement: “As of the date hereof, the issued and outstanding share capital of the Company is [number] shares, consisting of [types], held as follows: [list].”
Tip: If you plan a priced round soon, make clear in this section that percentages are pre‑round and subject to change at closing.
3) Decision rights and board control
How to Write a Shareholder Agreement; This is where the power lives. Align the SHA with your Articles, don’t contradict them, and be precise:
- Founder vs investor control:
- Specify what matters require founder consent vs investor consent (e.g., “Amending the Articles,” “Authorizing a new class of shares,” “Change in business direction,” “Increasing director compensation above a threshold”).
- Define any reserved matters for particular shareholders (e.g., major investors’ board seats).
- Board composition and appointment:
- Board size: how many directors, whether there are observers, and any limits (e.g., 3–5).
- Who appoints which directors: founders nominate [X] seats; investors holding at least [Y]% may nominate [Z] seats, etc.
- Observer rights: if any, specify information rights only (no vote).
- Information and inspection rights:
- Rights to receive monthly or quarterly financials, board packs, and annual budgets.
- Reasonable inspection rights (e.g., during business hours with advance notice and confidentiality undertakings).
Best practice: If you’re using a VC‑style Investors’ Rights Agreement (IRA) later, keep the SHA focused on founder‑governance and avoid re‑stating everything that will be in the IRA. How to Write a Shareholder Agreement; NVCA’s model documents include standard templates for IRAs, Voting Agreements, and ROFR/Co‑Sale Agreements, which you can leverage at priced rounds.
4) Founder departure, vesting, and “bad leaver”
How to Write a Shareholder Agreement; This section is often the most important one for long‑term stability:
- Vesting of founder shares:
- Specify which shares are subject to vesting (usually all founder common shares).
- Vesting schedule: commonly 4 years with a 1‑year cliff and monthly thereafter. Example language: “25% shall vest on the first anniversary of [Founder’s] continuous service, and 1/48th of the remaining unvested shares shall vest each month thereafter.”
- Good/bad leaver trigger: if a founder ceases service (except for death/disability/cause without company), company has a repurchase option (often at the lower of cost or fair market value) for unvested shares.
- Death, disability, and other forced exits:
- Specify what happens on death or permanent disability of a founder (often immediate full vesting, with estate able to exercise options for unvested shares).
- Consider a “double trigger” approach (company and spouse/estate can choose) to avoid forced sales that destabilize the cap table.
Recent founder‑focused guidance emphasizes using vesting and repurchase rights to align incentives and avoid dead equity in the cap table.
5) Transfer restrictions, ROFR, tag‑along, and drag‑along
You want clarity so you don’t accidentally create an unenforceable “drag” with no price mechanism. How to Write a Shareholder Agreement; Courts have thrown out drag‑along clauses that don’t properly tie to a defined price or valuation method; a 2024 French Supreme Court decision is a widely cited cautionary example.
Key elements to cover:
- General prohibition on transfers (with carve-outs):
- State that shareholders may not sell/encumber shares without:
- Company consent (common in early rounds), or
- Compliance with ROFR/Co‑Sale provisions, or
- Permitted transfers (e.g., to affiliates, family trusts, or in connection with estate planning).
- Right of First Refusal (ROFR):
- Process: selling shareholder gives company a written offer with defined price/terms; company offers existing shareholders the right to buy on those terms.
- Timing: how many days existing shareholders have to accept ROFR (e.g., 20–30 days).
- Tag‑along / Co‑sale rights:
- Allow a selling shareholder to “tag” other shareholders so they must participate proportionally to preserve their percentages. If tagged shareholders decline, their shares can be sold up to the number the third party is willing to buy, with the tag amount falling back on the seller.
- Drag‑along:
- Trigger: a bona fide third‑party offer to purchase [X]% or more of shares.
- Threshold: drag‑along can only be triggered if holders of a specified % of shares approve the transaction.
- Price mechanism: this is critical. Best practice is to tie drag‑along to:
- The third‑party offer price, or
- A formula agreed in advance (e.g., “Fair Market Value” determined by an independent investment bank using an agreed methodology, or a multiple of EBITDA/ARR defined in the agreement).
- Excluded shares: ensure any shares already subject to an exclusion (e.g., those held by a bidder or its affiliates) are excluded from the drag.
Avoiding “dead” drag: Foley’s 2025 analysis of the French decision highlights that a drag‑along clause with no workable price mechanism (just a promise to “sell” sometime in the future) can be held void. The key lesson is to either:
- Set the price at signing, or
- Provide a clear, objectively determinable formula or expert determination mechanism.
6) Exits, liquidity, drag‑along vs tag choice, and lock‑ups
How to Write a Shareholder Agreement; If you have multiple types of shareholders, you’ll likely choose between drag‑along and tag‑along for acquisitions:
- Exit mechanics:
- Specify whether drag‑along or tag‑along applies on a sale (and to whom). AngelList’s education center explains that these provisions are usually found in term sheets and the SHA, and are structured so a majority can compel minority holders to join a sale, ensuring the buyer can buy 100% of the company.
- Consider thresholds (e.g., drag/tag applies only if the sale represents at least [Y]% of the company).
- Lock‑ups on new issuance:
- State that, for a specified period post‑financing (e.g., 12–24 months), existing shareholders agree not to exercise drag/tag rights with respect to new shares the company issues.
- Secondary sales:
- Include process rules for secondary sales to third parties (e.g., require company and investor consent, and whether company gets a right of first refusal at the share level). India‑focused guidance stresses SHAs often address transfer restrictions and exit mechanics in the round‑by‑round SHA rather than trying to cover every future scenario in one document.
7) Dividends, distributions, and liquidation preferences
How to Write a Shareholder Agreement; Keep this section simple and aligned with your financing strategy:
- Dividend policy:
- State whether dividends can be declared and, if so, who decides (usually Board).
- For VC‑backed startups, you typically provide that no dividends will be declared without [X]% of each class of preferred voting to approve, or until a liquidity event.
- Waterfalls and liquidation:
- In a sale, liquidation, or wind‑up, specify the order of distribution (often called a “waterfall”):
- Payment of debts and expenses;
- Then preference amounts to preferred shareholders (if any);
- Then return of capital to remaining shareholders pro rata.
- Ensure this is consistent with any Investors’ Rights Agreement and your Articles (NVCA model documents include standard liquidation preference language that lawyers expect to see).
8) Dispute resolution, governing law, and amendments
These “boring” clauses often save you if things go wrong:
- Dispute resolution:
- Stepwise escalation: good faith negotiation, then mediation, then binding arbitration (or courts if you prefer).
- Seat and rules: specify seat (e.g., [city], [institution] and procedural rules (e.g., number of arbitrators, language).
- Governing law and jurisdiction:
- Choose the governing law and courts (e.g., “State of Delaware” for US startups; “Courts of England and Wales” for UK companies; laws of [India] for Indian companies). UK guides emphasize that SHAs are private contracts that sit on top of statutory Articles and should not conflict with them.
- Amendments and waivers:
- Specify what percentage of shareholders is required to amend the SHA and whether amendments must be in writing.
- Include a standard waiver clause (no waiver of any default unless expressly in writing).
9) What to keep OUT of the shareholders’ agreement (or move elsewhere)
A common 2026 mistake is trying to make the SHA do everything. Instead, let it do only “shareholder‑to‑shareholder” stuff and leave the following to more appropriate documents:
- Items usually better in your Articles/Incorporation:
- Basic director appointment/removal.
- Quorum and board meeting procedures.
- Share classes and basic rights attached to each class.
- Fiduciary duties of directors (these are statutory; don’t restate them unless you have a specific reason).
- Items usually better in separate agreements:
- Confidentiality and IP assignment: use founder IP assignment and invention assignment agreements.
- Employment details: use offer letters and employment/independent contractor agreements with appropriate non‑compete/confidentiality covenants.
- Investor rights that are sophisticated: information rights, registration rights, co‑sale rights, and protective provisions are typically covered in an Investors’ Rights Agreement/IRA and voting agreement rather than the founders’ SHA (NVCA models are widely used as standards for these).
- Non‑compete and non‑solicit: these belong in employment or separate founder restrictive covenants, not the SHA.
If your SHA tries to “re‑legislate” these, you create conflicts and ambiguity across documents, which is exactly what courts dislike.
10) How the SHA fits with your Articles and investor documents
Think in layers:
- Layer 1 (Statute + Articles):
- These are the “constitution” of the company and override anything in conflict.
- Layer 2 (Shareholders’ Agreement):
- A private contract between shareholders. It supplements the Articles but must not contradict them.
- Layer 3 (Investors’ Rights Agreement / Voting Agreement / IRAs):
- These appear at priced rounds and contain detailed investor protections (information rights, co‑sale, registration rights, etc.). Your SHA should leave room for those rather than locking them in prematurely.
Guides from the UK, US, and India all stress that SHAs are powerful as private arrangements but must coexist with Articles and future financing documents; conflicts among these documents are a common source of disputes.
11) Jurisdiction‑specific tips (US/DE, UK, India)
- US / Delaware (common for VC‑backed startups):
- Choose Delaware governing law if you’re a DE corp; most investors expect it.
- Align board and voting provisions with NVCA‑style model documents so future financing feels familiar to counsel.
- Ensure drag‑along and tag‑along clauses have clear price mechanisms (not vague promises to sell) to avoid unenforceability concerns like those seen in recent case law (e.g., the French decision discussed by Foley).
- UK:
- SHA is a private contract that must sit alongside the Articles (Companies House filing). Thomson Reuters’ Practical Law and other UK guides emphasize that SHAs typically cover how decisions are made, share transfers, dividend policy, and dispute resolution, without contradicting the Articles.
- Avoid “unlawful restraints on trade” and other terms that contravene UK company law or public policy (such provisions can be void).
- India:
- Use the SHA primarily to govern founder and early investor relationships and lock in core protections; later rounds often add more investor‑favorable terms in updated SHAs or separate investment agreements. Recent India‑focused guidance stresses covering dilution, liquidation preference, veto rights, and exits in the SHA/ISA negotiations.
- Ensure fall‑away and sunset provisions (where certain rights lapse if a shareholder’s stake drops below a threshold) are clearly drafted, as these are common in PE/VC contexts and can be challenged if ambiguous.
12) Practical drafting tips and red flags to watch in 2026
- Red flags:
- Drag‑along or tag‑along with no workable price mechanism or objective formula—these risk being unenforceable or at least heavily litigated.
- Transfer restrictions so broad they effectively prevent any sale (courts may refuse to enforce unreasonable restraints on transfer).
- Dispute resolution clauses so one‑sided they’re deemed unfair or unconscionable.
- Anything that conflicts with the Articles (the conflict is usually resolved in favor of the Articles).
- Best practices:
- Use plain language where possible, but keep key terms defined.
- Be internally consistent (the same word should mean the same thing everywhere).
- Ensure thresholds and time periods are realistic (e.g., notice periods that companies actually use in practice).
- Provide for key decisions a clear list of Reserved Matters where particular shareholders (or investors) have veto or consent rights.
13) Founder workflow: how to actually write this in 2026
- Gather the facts:
- Company details (registered name, number, jurisdiction).
- Shareholder list with numbers/types/percentages.
- Any existing side letters or simple term sheets that might create expectations.
- Choose the right structure:
- Early‑stage founder‑only SHA: keep it simpler.
- With professional investors: expect to pair a lighter SHA with a full Investors’ Rights Agreement and Voting Agreement at the first priced round.
- Draft or use a template as a starting point:
- You can use reputable templates or model sets (like NVCA’s for US) to see standard language and adapt to your situation.
- Do not copy‑paste without understanding each clause.
- Local counsel review (non‑negotiable in most jurisdictions):
- Have a qualified corporate lawyer in your jurisdiction:
- Confirm that the SHA doesn’t conflict with the Articles or pending financing terms.
- Check that drag‑along/ROFR/tag‑along clauses include proper price/valuation mechanisms to avoid enforceability issues.
- Verify dispute resolution and governing law clauses match what you intend.
14) A simple 2026 founder checklist for your SHA
Use this as a sanity check before signing:
- Accurate list of parties and their holdings (matches cap table).
- Definitions are clear and necessary, not circular.
- Decision rights and board control reflect your real governance understanding (not just today’s cap table).
- Vesting and repurchase rights are clearly defined for each founder (including triggers: good/bad leaver, death/disability).
- Transfer restrictions are workable and include carve‑outs for family/affiliates/estate planning.
- ROFR, tag‑along, and drag‑along clauses have clear price mechanisms or valuation formulas.
- Exit provisions (drag/tag thresholds and lock‑up periods) are realistic for your financing strategy.
- Dividend/liquidation waterfalls are consistent with your Articles and any planned IRA.
- Dispute resolution and governing law are chosen thoughtfully (and agreed by investors if relevant).
- Local counsel has reviewed and confirmed no conflicts with Articles or other key agreements.
How to Write a Shareholder Agreement; If you tell me your jurisdiction (US/DE, UK, India, etc.) and whether you’re founder‑only or already working with investors, I can translate this into a more detailed, clause‑by‑clause blueprint tailored to your situation.