# Write a Monthly Investor Update From Rough Bullet Points

> Turn messy notes into a skimmable monthly investor update: subject line, TL;DR with the bad news, a metrics table and asks investors can act on.

- **Author:** [Jessica Nguyen (@jessica_nguyen)](https://promptabide.com/jessica_nguyen)
- **Tested on:** Claude · Opus 5.5
- **You fill in:** `company`, `month`, `notes`, `asks`
- **Published:** 2026-08-22
- **Updated:** 2026-09-24
- **Tags:** `startups`, `writing`, `finance`, `business-strategy`
- **Keywords:** investor update email template, monthly investor update example, how to write startup investor update, founder update email to investors, investor update with bad news
- **Views:** 400
- **Likes:** 47

**Best for:** Early-stage founders who send monthly or quarterly updates and want them honest, skimmable and more likely to get useful help back.

## Prompt

```
Write my monthly investor update from these rough notes. Investors skim, so structure matters more than prose.

Company and stage: {{company}}
Month: {{month}}
Raw notes (unordered, may include bad news): {{notes}}
Specific asks: {{asks}}

Format:
- Subject line: "[Company] update - [Month]: " followed by the single most important fact, in under 10 words.
- TL;DR: 3 bullets. If something went badly, at least one bullet must say so.
- Metrics: a small table with this month, last month and change. Only metrics I gave you.
- Highlights and lowlights: 2-4 bullets each. Each lowlight says what we're doing about it.
- Asks: numbered, specific enough that an investor can act in one reply (who, what, why).
- Sign-off: one line.

Rules: plain language, no adjectives like "incredible" or "massive". Don't hide bad news below good news. Don't round numbers in our favour. Under 350 words.
```

## Variables

- `{{company}}` — Company name, what it does, and funding stage (e.g. Tallyroom, AI bookkeeping for UK sole traders, pre-seed)
- `{{month}}` — The period the update covers (e.g. August 2026)
- `{{notes}}` — Your raw notes, in any order, including the bad news (e.g. MRR 14.2k from 12.9k, churn 3.1% to 4.4%, lost bank partnership...)
- `{{asks}}` — What you want investors to help with (e.g. Intros to accountancy firms; a part-time CFO)

## Example input

```
company: Tallyroom - AI bookkeeping assistant for UK sole traders. Pre-seed, £600k raised Feb 2026.
month: August 2026
notes: MRR 14.2k up from 12.9k. paying customers 1,030 (was 960). churn went up 3.1% -> 4.4%, mostly people who signed up in the June TikTok push. HMRC recognition for Making Tax Digital done - we're on the list of recognised software now. hired Priya as senior eng, starts 1 Oct. runway 11 months at current burn (£38k/month). lost the bank partnership we were negotiating, they chose a competitor. launched receipt-matching agent, 38% of active users used it in first 2 weeks.
asks: intros to accountancy firms with 200+ sole-trader clients (we're testing a referral scheme); anyone who has run a UK referral scheme with accountants for a 20 min call; candidates for a part-time CFO.
```

## Output

*Produced by Claude · Opus 5.5.*

```
**Subject:** Tallyroom update - August 2026: MRR up 10% to £14.2k

**TL;DR**
- MRR grew 10% to £14.2k, and we're now HMRC-recognised Making Tax Digital software.
- Churn rose from 3.1% to 4.4%, driven by June's TikTok sign-ups.
- We lost the bank partnership we were negotiating; runway is 11 months.

**Metrics**

| | August | July | Change |
|---|---|---|---|
| MRR | £14.2k | £12.9k | +£1.3k (+10.1%) |
| Paying customers | 1,030 | 960 | +70 (+7.3%) |
| Monthly churn | 4.4% | 3.1% | +1.3 pts |
| Net burn | £38k | - | - |
| Runway | 11 months | - | - |

**Highlights**
- We're on HMRC's list of recognised software for Making Tax Digital for Income Tax, which is a requirement for many of our target customers.
- The receipt-matching agent launched: 38% of active users used it in its first two weeks.
- Priya joins as senior engineer on 1 October.

**Lowlights**
- **Churn is up.** Most of the increase is from June's TikTok cohort. We're comparing that cohort's onboarding with our referral sign-ups and will pause TikTok spend until we know whether it brings in the wrong customers or just onboards them badly.
- **We lost the bank partnership;** they chose a competitor. We're asking them for feedback and moving that effort to accountant referrals (see asks).

**Asks**
1. **Intros to accountancy firms with 200+ sole-trader clients.** We're testing a referral scheme and need 5 firms to pilot it. A one-line email intro to the partner is enough.
2. **A 20-minute call with anyone who has run a referral scheme with UK accountants.** We want to get the incentive structure right the first time.
3. **Part-time CFO candidates,** ideally someone who has taken a company from pre-seed to seed. We'd start at 2 days a month.

Thanks for reading. Replies go straight to me.

[Your name]
```

## Why it works

The rule that **at least one TL;DR bullet must carry the worst news** fixes the most damaging habit in investor updates: burying problems until they surprise someone. **"Only metrics I gave you"** and **"don't round in our favour"** keep the table honest. The **asks format (who, what, why, one reply)** matters most, because vague asks like "any intros welcome" rarely get answered. Banning hype adjectives keeps the tone of a founder who can be trusted with numbers.

## When not to use it

Don't use it for a crisis update such as missed payroll or a co-founder leaving. Those need a direct, personal message and often a call, not a template. It also won't fix unclear metrics: if you don't know how you calculate churn, sort that out first. Board packs need far more depth than this.

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