B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
40 hours
40 hours -- manual data cleansing effort for 10,000-record CRM manual cleansing (2025)
Manual data cleansing for a CRM with 10,000 records requires approximately 40 to 80 person-hours per cycle.
- Represents an estimated range of 40 to 80 person-hours per cycle
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
40 hours
Unit
Duration Hours
Data Vintage
2025
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
outport.ai
Primary
Tier C
https://www.outport.ai/blog/b2b-data-cleansing-guide-accurate-crm-data ↗
Source Article
B2B Data Cleansing: A Practical Guide to Accurate, Revenue-Ready CRM Data
B2B Data Cleansing: A Practical Guide to Accurate, Revenue-Ready CRM Data
Stop losing revenue to dirty CRM data. Learn a concrete five-stage B2B data cleansing process, automation tactics, and field standards that keep pipeline reporting
Poor data quality costs organisations an average of $12.9 mill…
Original Research
outport.ai
· Original study ↗
Methodology
Range 40-80 hours; midpoint extracted. Vendor blog claim
Methodology documented
Segmentation
IndustryB2B
Company SizeMid-market
RoleAll marketers
Channelcontent
Cite this stat
Plain Text
10,000-record CRM manual cleansing: 40 hours manual data cleansing effort. Source: outport.ai (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/manual-cleansing-person-hours
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<blockquote cite="https://lighthousedata.io/data/manual-cleansing-person-hours" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>40 hours</strong> -- manual data cleansing effort for 10,000-record CRM manual cleansing<br><small>Source: outport.ai (2025) · <a href="https://lighthousedata.io/data/manual-cleansing-person-hours" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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