An Advanced Subscription Agreement allows an investor to pay money now for shares that will be issued later when a defined event occurs. Unlike a normal loan, a properly structured ASA is intended to be equity subscription money rather than repayable debt, making the drafting, longstop date and conversion mechanics critical.
The investor pays now for shares to be issued later
ASAs are commonly used by UK startups that need cash before completing a priced equity round. The investor transfers money under a contract that sets how future shares will be calculated when the next financing or another event occurs.
The company should not describe the money as an ordinary loan if the agreement does not create a repayment right. Legal and accounting treatment needs to follow the actual terms.
Discounts and valuation caps determine the later share price
The ASA can give the early investor a discount to the next round or a maximum valuation for calculating shares. These economics reward the investor for providing capital earlier.
Founders should model the fully diluted ownership under a low, expected and high next-round valuation. The cap can become the dominant conversion term if the company grows quickly.
Use a clear longstop date for the future allotment
The agreement should contain a date by which shares are issued even if the expected funding round never occurs. This avoids investor money remaining indefinitely in an unresolved pre-allotment position.
Management should place the longstop date on the company-secretarial calendar and prepare the board and Companies House steps well before it arrives.
EIS and SEIS fundraising needs scheme-specific advice
ASAs are sometimes used in EIS or SEIS fundraising, but investor tax relief depends on detailed HMRC conditions and the actual structure. The company should not promise relief from a generic ASA template.
Use current HMRC venture-capital-scheme guidance and specialist advice. A term that makes the agreement look more like repayable debt can affect expected tax treatment.
Keep ASA cash separate from ordinary trading revenue
When the investor wires money, record it according to the accounting advice for the subscription agreement. The bank receipt is financing, not customer revenue.
Keep a schedule of investor, amount, agreement date, expected conversion mechanism and eventual shares. Several ASAs issued at different caps can create a complicated round later.
Complete the corporate records when shares are finally issued
When the conversion or longstop event occurs, directors need valid authority to allot shares, statutory registers need updating and Companies House filings can be required.
Reconcile the historic ASA receipts to the final share allotment and any share premium. The legal conversion should close the loop that began when cash arrived months earlier.
Worked example: two investors each pay £250,000 under separate ASAs. One converts at a 15 percent discount to the next round and the other is subject to a £4 million valuation cap. If the next priced round occurs at £7 million, the two investors can receive very different numbers of shares even though they invested the same cash. The finance file should preserve each agreement individually.
Because an ASA is normally intended to be non-refundable subscription money rather than debt, directors should understand the consequences before spending the cash. If the future financing round never occurs, the longstop mechanism still needs to produce shares under the agreement rather than leaving the investor in an undefined position.
Keep the bank receipt date, agreement date, longstop date and eventual allotment date in one schedule. Those dates can matter for tax, investor rights and company filings, and they make later due diligence much easier.
Include every ASA in the company's fully diluted cap table from the moment it is signed. Investors and directors need visibility of potential ownership even before legal shares exist. A cap table showing only currently issued shares can materially overstate founder ownership when several future subscriptions are waiting to convert.
Check whether later investors receive terms that activate protections in older ASAs. Some agreements contain most-favoured-nation or related rights that can change the earlier investor's economics if the company issues another instrument on better terms. The finance team should route new fundraising documents through the same legal review as the first ASA.
Once shares are issued, close the pre-allotment accounting balance and update statutory records promptly. Leaving historic ASA balances open after conversion makes equity and debt schedules unreliable and can lead auditors to believe the company still owes or must issue further value to investors.
Review every ASA before a priced round term sheet is signed. New investors will want to know how much of the post-money company is already economically committed to ASA holders. If the cap-table effect is discovered late, founders can be forced to renegotiate valuation or round size under time pressure.
For bookkeeping, create a dedicated financing account for each ASA or closing date. That avoids mixing pre-allotment subscription money with ordinary shareholder loans, which can have very different repayment and legal characteristics.
Editorial Verdict
An ASA can bring equity cash into a startup before the next priced round is ready, but it needs careful drafting because the money is intended for future shares rather than ordinary loan repayment.
Model dilution, track longstop dates and use specialist advice where EIS or SEIS relief matters. Finance should maintain a complete bridge from the original bank receipt to the eventual share allotment.
Sources
- GOV.UK, Venture capital schemes guidance: https://www.gov.uk/guidance/venture-capital-schemes-raise-money-by-offering-tax-reliefs-to-investors
- Companies House, SH01 return of allotment: https://www.gov.uk/government/publications/return-of-allotment-of-shares-sh01