Pierre's Content Guides

Investor Due Diligence Report

substackMarketing

Weekly newsletter on B2B Content Marketing from Pierre Herubel. Learn the content tactics I used to go to 120,00 followers online and from $0 to $1M. Go paid to upskill in B2B Content Marketing.

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Key Metrics

Subscribers

33K

1.6K paid

Verified

Weekly Growth

~0%

Subscriber count is a platform estimate

Revenue Analysis

Pricing

$15/mo

$120/yr annual option

Est. Monthly Revenue

$17K

1.6K paid subs

$17K/mo – $17K/mo(±0%)

Quality & Publishing

Audience Quality Score

62Fair

0100

Publishing Pace

Weekly

1.0 posts/week

Publishing Consistency

64/100

Consistent (~7.3d avg)

Competitive Landscape (Marketing)

Newsletter	Subscribers	Weekly Growth	Price	Platform
Because of Marketing	62K	+3.5%	$6.99/mo	substack
LA FRAISE ™	52K	N/A	Free	substack
Content Strategy Mastery	36K	N/A	$5/mo	substack
Chris Hutchins	32K	N/A	Free	substack

Revenue Trajectory

Estimated monthly revenue over time

Month	Subscribers	Est. Revenue	Change
Feb 2026	32K	$23,184	—
Mar 2026	33K	$23,908.5	+3.1%

Risk Assessment

Key risk factors for due diligence

High

Platform Dependency

Hosted on substack subdomain

Medium

Publishing Consistency

Variable publishing frequency

Medium

Key Person

Single-author publication — key-person dependency

Low

Revenue Model

Active paid subscription tier

Monetization Readiness

Monetization status

Subscriber threshold

33K subscribers — above the 2K category median for first paid tier

Has paid tier

Active paid subscription offering

Peer monetization

100% of 26 similar-size peers in Marketing have paid tiers

Pricing position

$15/mo vs $10.81/mo category average (253 newsletters)

Pricing History

Date	Monthly	Annual
Mar 2026	$15	$120

Data Quality

Report Data QualityPartial - Some metrics estimated or missing

Subscriber Confidenceverified

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.

Key Metrics

Subscribers

33K

1.6K paid

Verified

Weekly Growth

~0%

Subscriber count is a platform estimate

Revenue Analysis

Pricing

$15/mo

$120/yr annual option

Est. Monthly Revenue

$17K

1.6K paid subs

$17K/mo – $17K/mo(±0%)

Quality & Publishing

Audience Quality Score

62Fair

0100

Publishing Pace

Weekly

1.0 posts/week

Publishing Consistency

64/100

Consistent (~7.3d avg)

Competitive Landscape (Marketing)

Newsletter	Subscribers	Weekly Growth	Price	Platform
Because of Marketing	62K	+3.5%	$6.99/mo	substack
LA FRAISE ™	52K	N/A	Free	substack
Content Strategy Mastery	36K	N/A	$5/mo	substack
Chris Hutchins	32K	N/A	Free	substack

Revenue Trajectory

Estimated monthly revenue over time

Month	Subscribers	Est. Revenue	Change
Feb 2026	32K	$23,184	—
Mar 2026	33K	$23,908.5	+3.1%

Risk Assessment

Key risk factors for due diligence

High

Platform Dependency

Hosted on substack subdomain

Medium

Publishing Consistency

Variable publishing frequency

Medium

Key Person

Single-author publication — key-person dependency

Low

Revenue Model

Active paid subscription tier

Monetization Readiness

Monetization status

Subscriber threshold

33K subscribers — above the 2K category median for first paid tier

Has paid tier

Active paid subscription offering

Peer monetization

100% of 26 similar-size peers in Marketing have paid tiers

Pricing position

$15/mo vs $10.81/mo category average (253 newsletters)

Pricing History

Date	Monthly	Annual
Mar 2026	$15	$120

Data Quality

Report Data QualityPartial - Some metrics estimated or missing

Subscriber Confidenceverified

Component	Score	Weight
Engagement Rate	46/100	30%
Paid Subscriber Ratio	78/100	25%
Publishing Consistency	70/100	10%