projects/coldsire
SaaS#79 BY REVENUE FOR SALE
ColdSire

ColdSire

US· May 2023· via stripe
$16K
Revenue · 30d
$993K
Total lifetime
$193K
Est. ARR
51%
Profit margin
Revenue trend
JUN 19
start
JUN 22
JUN 29
9.5%
JUL 6
4.3%
JUL 13
unchanged
JUL 20
next
no change recorded across the last 2 snapshots · figure may be stale at the source
https://coldsire.com
ColdSire
REVENUE VERIFIED
Top ranked
This project is for sale
$215K
Asking price
1.1x
Annual revenue
$16K
Revenue · 30d
View listing

About ColdSire

ColdSire is a cold email setup platform designed for businesses and agencies that require reliable email infrastructure for outreach. It offers unmatched deliverability by utilizing a premium pool of mailboxes mixed with real businesses, ensuring that users are not flagged as cold email farms. ColdSire provides features such as dedicated workspaces for each domain, allowing for true domain isolation and maintaining clean reputations for users' domains. The platform also includes pre-configured settings for SPF, DKIM, and DMARC, enabling optimal email configuration and management.

The service…

VibeCrowd AI
Investment companion
AI analysis
ColdSire is a revenue-stage cold-email SaaS with $18.8k MRR and a healthy 51% profit margin, but it reported an 18% revenue drop in the last 30 days and is currently listed for sale.

On the positive side, ColdSire is a paying-customer business with MRR of $18,807 and a reported profit margin of 51%, which implies reasonably efficient unit economics for a young SaaS (founded May 2023). Last-30-day revenue of $15,416 shows meaningful topline but is lower than the MRR figure, which is a data point worth reconciling (timing or one-off items could explain it). The immediate signal to watch is the -18% growth in the last 30 days combined with the company being listed for sale—those together suggest either accelerating churn, weak new business, or a strategic exit. Key missing metrics—monthly visitors, customer count, churn/retention, CAC and runway—make it hard to tell which it is; an investor or buyer should demand those to understand sustainability and growth levers.

Strengths

Revenue-stage with paying customers and $18,807 MRR
Strong reported profit margin (51%), indicating efficient unit economics
Focused product: high-quality cold email solutions (clear go-to-market)
Recent revenue (last 30 days) of $15,416 shows real cash flow

What to watch

-18% growth in the last 30 days is a clear near-term red flag
Company is listed for sale, which may indicate founder exit or operational stress
Missing key metrics (monthly visitors, customer count, churn, CAC, runway)
MRR ($18,807) is higher than last 30 days revenue ($15,416) — reconcile timing or one-offs

Best suited for

B2B startups and SaaS companies needing scalable outbound lead generation
Small-to-midsize sales teams seeking professional cold email campaigns to grow pipeline
Marketing or lead-gen agencies outsourcing high-quality cold outreach for clients
Founders/CEOs who want outsourced, ROI-focused cold email outreach without building an in-house team

A judgment from project data — not a user review.

Generated by VibeCrowd AI from on-platform data·not financial advice·Jun 2026

Traffic & economics

51%
Profit margin · 30d

Rankings by revenue

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