B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
$350
$350 -- customer acquisition cost for Meta Ads (Series A SaaS) (2026)
The effective CAC for Meta Ads at Series A B2B/prosumer SaaS is between $350 and $500.
- Channel-specific CAC for Meta Ads at Series A reported as a range of $350 to $500
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
$350
Unit
Currency Usd
Data Vintage
2026
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
TripleDart
Primary
Tier B
https://foundrycro.com/blog/startup-marketing-benchmarks-by-funding-stage-2026/ ↗
Source Article
Startup Marketing Benchmarks by Stage 2026 + Free Stage Check | Foundry CRO
The short version:
- A Series A startup should spend $500K to $2M annually on marketing (15 to 25% of ARR), with monthly ad spend of $15K to $50K. A Seed startup should spend $36K to $120K annually (20 to 40% of ARR). Marketing budget as a percentage of ARR should decrease as you scale, not increase…
Original Research
TripleDart
· Original study ↗
Methodology
Range, midpoint used; TripleDart 2026 report
Methodology documented
Segmentation
IndustrySaaS
Company SizeMid-market
RoleAll marketers
Channelpaid_ads
Cite this stat
Plain Text
Meta Ads (Series A SaaS): $350 customer acquisition cost. Source: TripleDart (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/meta-cac-series-a-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/meta-cac-series-a-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>$350</strong> -- customer acquisition cost for Meta Ads (Series A SaaS)<br><small>Source: TripleDart (2026) · <a href="https://lighthousedata.io/data/meta-cac-series-a-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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