Fractional CMO for B2B SaaS Startups & Scale-Ups
I help early-stage and scaling B2B SaaS founders implement growth strategies, build high-performing teams, and scale with predictable revenue—without the full-time cost.
A Growth Partner Who's Been in Your Shoes
I’m Jose Gonsalo, Founder & CEO of growth.cx - a SaaS Marketing Agency. I’ve spent the last decade helping B2B SaaS startups grow from the ground up. Whether you’re at the pre-series A stage or scaling after your first big funding, I know what it takes to move the needle. I ensure your marketing is as agile and effective as your product.
GTM Strategy
Clarity in market & messaging.
Demand Gen
Get results fast.
Marketing Ops
Scale smoothly.
A Clear, Results-Driven Approach
My approach is designed to deliver tangible results quickly, building a sustainable growth engine for your SaaS.
Initial Audit & Strategy
Identify best-fit customers, refine messaging, and align strategy.
90-Day Playbook
An actionable roadmap with clear KPIs to start generating leads.
Execution Leadership
Oversee and guide your team through marketing execution.
Measure & Optimize
Track pipeline and ARR growth, constantly optimizing for better CAC.
Specializing in Early-Stage & Scaling SaaS
I partner with founders at two critical stages of their journey, providing the specific expertise needed for each phase.
Early-Stage SaaS (Pre-Series A)
You need to find product-market fit, build your foundational GTM strategy, and start generating your first consistent leads.
Scaling SaaS (Series A–B)
You need to optimize channels, improve CAC, scale your marketing efforts, and accelerate revenue growth predictably.
Proven Impact for SaaS Companies
My strategies deliver measurable results that directly impact your bottom line.
230%
Increase in Demo Bookings
For a Fintech SaaS in 5 months.
3x
ARR Growth
While reducing CAC by 35% for an HR Tech SaaS.
70%
of MQLs from Inbound
Built an inbound engine for a Developer SaaS.
Tools, Templates, and Playbooks to Help You Grow
Get access to my curated resources designed specifically for B2B SaaS growth.
SaaS GTM Playbook
A comprehensive guide to launching and scaling your go-to-market strategy.
SaaS Pipeline Growth Calculator
Model your marketing funnel and understand the metrics you need to hit your revenue goals.
SaaS Content Strategy Template
Organize your content marketing efforts to attract and convert your ideal customers.
Ready to Accelerate Your SaaS Growth?
Let’s talk about your challenges and growth goals. Your search for the best SaaS Marketing Services ends here. I work with a select number of SaaS founders to ensure focus and measurable outcomes. Together, we’ll build your growth engine.