B2B SaaS
SaaS & Technology
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B2B SaaS

CRM for B2B SaaS.
Trial conversion. Expansion. Churn prevention.

Product-led growth CRM, trial-to-paid conversion, expansion revenue tracking, and churn prediction for B2B SaaS companies scaling past Series A globally.

PLG CRM
Product-led growth
Trial to paid
Conversion tracking
NRR focus
Expansion revenue
Churn signals
Early warning

Why B2B SaaS CRM is different

B2B SaaS CRM is a revenue operations problem

B2B SaaS companies have the most complex revenue operations of any sector. Trial conversion, seat expansion, renewal management, and churn prediction all require different CRM logic. Most implementations treat SaaS like traditional B2B sales - configuring a pipeline for new business while missing the 60-70% of revenue that comes from expanding and retaining existing customers.

Talk to a B2B SaaS specialist →
Trial conversion below 15% with no clear reason
Product analytics and CRM are disconnected. No joined-up view of what trial users actually do versus what marketing claims converts them.
Expansion revenue managed reactively
Account managers identify upsell opportunities through conversations, not systematic data signals. Expansion revenue is left on the table.
CS and Sales working from different customer records
Customer success has product usage data. Sales has commercial history. Neither has both. CS-to-sales handoffs are painful.

What we deliver

CRM services for B2B SaaS

CRM & Data
CRM Implementation
HubSpot or Salesforce for SaaS revenue ops
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Gen AI
Predictive Analytics
Churn prediction and expansion scoring
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DX
Customer Data Platform
Product and commercial data unified
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Branding
Marketing Operations
PQL scoring and attribution
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CRM & Data
API & Middleware
Product analytics to CRM integration
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Client result

What we delivered for a B2B SaaS business

All case studies →
Case Study
9 years of customer history migrated with zero disruption to active renewals

Migrating a SaaS Company Off a Homegrown CRM Onto Dynamics 365

B2B SaaS Company, Mid-Market Segment

A B2B SaaS company replaced a decade-old homegrown CRM with Dynamics 365, migrating 9 years of customer history without disrupting active renewals or support cases.

9 years
Customer history migrated
0
Disruptions to active renewals or support cases
100%
Engineering time redirected from CRM maintenance
8 months
Migration and rollout duration
Read full case study →

"We built that system nearly a decade ago because we had no other option at the time. Replacing it felt terrifying because of how much history was locked inside it. Celumai's migration plan meant we never had to choose between moving forward and losing that history."

VP
VP of Customer Success
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Insights

Articles written for B2B SaaS professionals

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Article 7 min read

Product Qualified Leads: How B2B SaaS Companies Should Score and Route Them

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Regulatory & compliance context

We design CRM for B2B SaaS that satisfies GDPR and UK GDPR for EU and UK user data, CCPA for California-based users, SOC 2 Type II data handling requirements, PECR for electronic marketing in the UK, and data residency requirements for customers in regulated markets.

FAQ

B2B SaaS CRM questions answered

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Free assessment - B2B SaaS

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Free B2B SaaS CRM assessment - no commitment
Fixed-price delivery options
NDA available on request