Business Game Changers with Sarah Westall
Investor Due Diligence Report
substackBusiness
Ideas and conversations from the edge of change.
Investor Due Diligence Report
Ideas and conversations from the edge of change.
51K
3.4K paid
~0%
Subscriber count is a platform estimate
Insufficient data
29 of 30 days needed
Pricing
$8/mo
$80/yr annual option
$22K
3.4K paid subs
$22K/mo – $22K/mo(±0%)
5.3
28.6
0.07%
(comments + likes) / subscribers
~3x per week
3.1 posts/week
84/100
Very Consistent (~2.8d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| future/proof | 348K | +0.3% | $9/mo | substack |
| SemiAnalysis | 321K | +0.5% | $50/mo | substack |
| Founding Journey | 251K | N/A | $50/mo | substack |
| Pagebound's Substack: Page Against the Machine | 174K | +0.6% | Free | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Apr 2026 | 51K | $21,573.12 | — |
| May 2026 | 51K | $21,573.12 | ~0% |
| Jun 2026 | 51K | $21,573.12 | ~0% |
| Jul 2026 | 51K | $21,573.12 | ~0% |
| Aug 2026 | 51K | $21,573.12 | ~0% |
| Sep 2026 | 51K |
Platform Dependency
Hosted on substack subdomain
Publishing Consistency
Regular publishing schedule
Key Person
Single-author publication — key-person dependency
Audience Concentration
Consistent engagement across posts
Subscriber threshold
51K subscribers — above the 2K category median for first paid tier
Has paid tier
Active paid subscription offering
Peer monetization
50% of 44 similar-size peers in Business have paid tiers
Pricing position
$8/mo vs $5/mo category median (922 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Apr 2026 | $8 | $80 |
Disclaimer: This report is generated automatically based on publicly available data and proprietary estimation models. Estimated subscriber counts are derived from engagement patterns and should be verified through direct disclosure. Revenue estimates are based on known pricing and estimated paid subscriber counts. This report is for informational purposes only and should not be the sole basis for investment decisions.
Score based on available components only.
| Component | Score | Weight |
|---|---|---|
| Engagement Rate | 67/100 | 30% |
| Paid Subscriber Ratio | 90/100 | 25% |
| Publishing Consistency | 64/100 | 10% |
| 3MTT Lagos Community |
| 117K |
| N/A |
| Free |
| substack |
| $21,573.12 |
| ~0% |
| Oct 2026 | 51K | $21,573.12 | ~0% |
Revenue Model
Active paid subscription tier