Why Investor Rights Matter More Than Valuation
Most founders obsess over valuation and ignore the rights attached to the investment. This is backwards. A £5M valuation with aggressive investor rights (2x participating preferred, full ratchet anti-dilution, extensive veto rights) can leave founders with less at exit than a £3M valuation with clean terms (1x non-participating, weighted average anti-dilution, sensible consent thresholds).
The term sheet is where investor rights are negotiated. Once signed, they are codified in the shareholder agreement and the articles of association. Changing them later requires investor consent — which means you will only succeed in removing aggressive terms if you have exceptional leverage (a hot Series A round, for example).
This guide covers every right a UK startup investor might negotiate, explains what is standard vs aggressive, and tells you which ones to push back on.
Economic Rights
These rights determine how much the investor gets paid relative to founders and employees at exit.
Liquidation Preference
Standard: 1x non-participating is standard at seed and Series A.
Watch for: 2x+ multiples or participating preferred significantly reduce founder payout at moderate exits. A 2x participating preferred on a £1M investment means the investor gets £2M back PLUS their pro-rata share of the remaining proceeds. On a £5M exit, this could leave founders with a fraction of what they expect.
Anti-Dilution Protection
Standard: Broad-based weighted average is standard and fair.
Watch for: Full ratchet reprices the investor's shares to match any down round, regardless of size. A tiny bridge round at a lower price could dramatically increase the investor's share count at founders' expense.
Dividends
Standard: No cumulative dividends at seed stage. Any dividends declared are paid pro-rata across all share classes.
Watch for: Cumulative preferred dividends (e.g., 8% annually) that accrue and must be paid before any distribution to ordinary shareholders. Rare in UK seed deals but common in US later-stage rounds. Resist this — it turns equity into quasi-debt.
Pay-to-Play
Standard: Not common at seed stage but increasingly seen at Series A+.
Watch for: Investors who do not participate in future rounds lose their preference rights and convert to ordinary shares. This is actually founder-friendly — it penalises passive investors and rewards those who continue to support the company.
Governance Rights
These rights give investors control over key company decisions — sometimes with more influence than their ownership percentage would suggest.
Board Seat or Observer
Seed investors typically get a board observer seat. Series A leads get a full board seat. Board composition should maintain founder control: a common structure is 2 founder directors, 1 investor director, and 1 independent director (mutually agreed). If the investor wants 2 board seats, they are seeking effective veto power over board decisions.
Consent Rights (Veto Powers)
A list of actions that require investor consent before the company can proceed. Standard items: issuing new shares, taking on debt above a threshold (e.g., £50K), making acquisitions, changing the company's business, hiring/firing the CEO. Be careful about the thresholds — consent required for expenditure over £5K will paralyse your operations.
Protective Provisions
Specific shareholder votes that require a supermajority or investor class consent. Typically: changing share rights, creating a new share class with superior rights, winding up the company, or selling substantially all assets. These are reasonable protections against founders acting against investor interests.
Founder Removal
Some term sheets include provisions for removing a founder as CEO or director. Standard: requires board majority and a reasonable cause threshold. Aggressive: investor can remove the founder unilaterally or on vaguely defined "underperformance." Negotiate for clear, measurable criteria and a right to cure before removal.
Exit-Related Rights
Drag-Along
If shareholders holding a specified majority (typically 75%) agree to sell the company, all other shareholders must sell on the same terms. This prevents a minority shareholder from blocking an exit. Standard and essential — no investor will invest without drag-along. The threshold percentage is negotiable: founders want it higher (harder for investor to trigger), investors want it lower (easier to force a sale).
Tag-Along
If a majority shareholder sells their shares to a third party, minority shareholders can sell on the same terms. Protects small shareholders from being left out of a share sale. Standard and fair. Ensure it applies to all share classes, not just one.
Redemption Rights
The investor can require the company to buy back their shares at a specified price after a certain period (typically 5-7 years). This gives the investor a guaranteed exit if the company has not been sold or gone public. Rare in UK seed deals but common in US deals. Resist if possible — it creates a ticking clock that can force a fire sale or liquidation.
Registration Rights
Relevant primarily for companies planning an IPO. Gives the investor the right to have their shares included in the IPO registration (demand registration) or to join a registration initiated by the company (piggyback registration). Not relevant at seed stage but will appear in later rounds.
What to Push Back On
Not all investor rights are created equal. Here are the ones where pushback is both reasonable and expected.
Always push back on: participating preferred liquidation preferences at seed stage, full ratchet anti-dilution, cumulative dividends, unilateral founder removal rights, consent thresholds below £25K, and redemption rights within 5 years.
Accept as standard: 1x non-participating liquidation preference, weighted average anti-dilution, board observer seat (seed) or one board seat (Series A), reasonable consent thresholds (£50K+ for debt, £100K+ for capex), pro-rata rights, standard information rights, drag-along at 75%+.
Negotiate the details on: the specific consent list (remove items that are operational, not strategic), the drag-along threshold percentage, founder vesting acceleration on change of control, and non-compete duration (cap at 12 months).
CapBrief
See How Investor Rights Affect Your Exit Payout
Upload your cap table and CapBrief models exit scenarios with liquidation preferences, anti-dilution adjustments, and participation rights — so you can see what founders actually receive at different exit values.
Try CapBrief Free →Frequently Asked
What is a liquidation preference?
A liquidation preference determines the order in which shareholders get paid when the company is sold, wound up, or distributes proceeds. A "1x non-participating" preference means the investor gets their original investment back first before any proceeds are shared with ordinary shareholders. If the exit value exceeds their preference amount, they can choose to convert to ordinary shares and take their pro-rata share instead. "Participating preferred" means the investor gets their money back first AND shares in the remaining proceeds — this is much more aggressive and should be resisted at seed stage.
What is anti-dilution protection?
Anti-dilution protection adjusts an investor's share price downward if the company raises a future round at a lower valuation (a "down round"). "Weighted average" anti-dilution is standard and fair — it adjusts the price based on the size of the down round relative to the existing shares. "Full ratchet" anti-dilution adjusts the investor's price to match the new round's price exactly, regardless of round size — this can be devastating for founders and should be strongly resisted.
What are pro-rata rights?
Pro-rata rights give an investor the right to participate in future funding rounds to maintain their ownership percentage. If an investor holds 10% after the seed round, pro-rata rights let them invest enough in the Series A to still hold 10% afterward. This is standard and generally fair — it rewards investors who continue to support the company. The downside: if multiple investors exercise pro-rata rights, it can squeeze the allocation available for new investors in later rounds.
What are information rights?
Information rights give investors access to the company's financial and operational data. Typically: monthly management accounts (P&L, balance sheet, cash position), annual audited accounts, board meeting minutes, and advance notice of material events (fundraising, major contracts, litigation, key hires/departures). The scope should be reasonable — investors need enough information to monitor their investment, but excessive reporting obligations burden the team.
Can investor rights be removed or changed?
Generally, no — not without the investor's consent. Investor rights are contractual (in the shareholder agreement) or constitutional (in the articles of association). Changing them requires the investor to agree to the change, usually via a variation to the shareholder agreement or a special resolution to amend the articles. In practice, investor rights are renegotiated at each funding round, when the new lead investor may demand different terms that override or supplement the existing ones.
What is a board seat vs a board observer seat?
A board seat gives the investor (or their nominee) full voting rights at board meetings, the ability to propose resolutions, and the same fiduciary duties as other directors. A board observer seat allows attendance at board meetings and access to board materials, but no vote. Seed investors typically get an observer seat; Series A investors typically get a full board seat. The distinction matters because a board director has legal responsibilities under the Companies Act 2006, while an observer does not.