60+ startups served · 12 exits · $7B+ in client valuations

SDR & Outbound Sales for Series A Startups

Series A investors expect a repeatable revenue engine. Your marketing must now demonstrate clear CAC, LTV, and payback periods — not just growth.

You've proven initial traction and raised a Series A. Now you must build a scalable, repeatable marketing and sales motion.

At the Series A stage, your marketing priority should be: Repeatable pipeline, marketing team hiring, brand positioning, and category creation. At Series A, we shift from experimentation to systematization: locking in your highest-ROI channels, building the team around them, and building the marketing ops infrastructure that makes growth predictable.

⚠️ The Series A Marketing Trap

Series A companies often hire too broadly before locking in their best channels. The best Series A marketing investments are depth-first: one dominant channel proven at scale before adding the next.

How Cactus Approaches SDR & Outbound at Series A

We build and run your outbound sales motion end-to-end — ICP research, sequencing, cold outreach, and qualified meetings delivered to your calendar. You close, we fill the pipeline.

We don't apply a generic playbook. Every Cactus engagement is calibrated to your stage, runway, team size, and growth objectives. For Series A Startups, that means maximizing the leverage of every marketing dollar while building the foundations that compound as you grow.

What's Included in Your Engagement

ICP research and prospect list building
Multi-channel outbound sequencing (email, LinkedIn, phone)
Cold outreach copywriting and A/B testing
Qualified meetings booked directly to your calendar
Pipeline tracking and weekly reporting

Why founders choose Cactus at Series A

→ We've worked with 60+ startups at every stage — so we know what traps to avoid and which bets pay off at Series A

→ We're embedded, not external — working inside your team with direct access to your CEO, sales team, and data

→ We use AI-native tools to deliver 10x the output of traditional agencies at the same cost

→ We measure success in pipeline and revenue, not traffic and impressions

Explore SDR & Outbound by stage

Let's build your Series A marketing engine

Book a free 30-minute call. We'll review your stage, growth targets, and runway — then show you exactly what SDR & Outbound looks like for a company at Series A.

No pitch deck. Just honest advice from a team that's built this at every stage.

Book a free strategy call →