🚀 Bold, High-Energy Builder | GTM & Outbound Automation Specialist

Hey 👋 I’m Nishkarsh Agarwal, a builder obsessed with creating scalable outbound systems and automation workflows that drive predictable lead generation.

Over the past few years, I’ve worked hands on with SaaS founders, GTME firms, and growth teams to engineer GTM systems that convert chaos into clarity, i.e. blending data, creativity, and automation to generate consistent pipeline momentum.

I don’t just believe in outbound, but I believe in intelligent outbound:

✅ Data driven prospecting, powered by enrichment and trigger based personalization
✅ Multi channel workflows across LinkedIn, email, and voice
✅ Scalable automations that replace manual effort with measurable growth

Currently, I’m focused on helping companies implement high performance outbound and GTM architectures that actually scale, not just campaigns that run - but systems that compound.

If you’re building something ambitious in GTM, automation, or lead generation - let’s connect. 

I love sharing playbooks, frameworks, and real world strategies that move numbers and dashboards.

Nishkarsh Agarwal

I stopped using Apollo last week. Here's why.


soo I ran the same exact lead search on Apollo, Clay, and Prospeo.io.
results? Apollo: 2,557 validated emails. Clay: 1,653. Prospeo.io: 4,739. what???

Same filters. Same ICP. Middle East SaaS founders

Well here's the thing nobody talks about:
Data quality in outbound is a margin game.

—> Bad data = bounces 
—> Bounces = domain burn 
—> Domain burn = new domains, new warmup, 3 weeks lost 
—> 3 weeks lost = client churn

This is why I've been obsessed with finding the cleanest data source for the last 2 years. And with my itch being finally seeming to satisfy now as I found Prospeo.io (note this is not sponsored).

I just spent 2 weeks in their beta, compared it against every tool my network of GTMEs uses regularly, and the results weren't even close 😂

Why Prospeo.io just became my #1 tool? 
I’d say their V1 was good with lead enrichment and data quality but not sure why they recently decided something massive that shook me - here's what I felt changed:

It's now like a full searchable lead database i.e. better than apollo due apollo level filters + top notch data accuracy/quality.

The filters are literally insane forcing me to think of new campaigns for clients on spot:
—> Email provider (can filter by Google vs Microsoft)
—> Department growth (can find teams actively hiring)
—> Headcount growth by department, etc etc

But filters don't matter if data is like garbage - I’d say they outperformed others specifically since their data quality is HONESTLY so so good.

For Emails their leads are:
→ Triple verified (SMTP + real send outcomes + BounceBan (Verify risky emails without sending messages)) 
→ Spam traps and honeypots filtered out 
→ Catch alls cleaned through their own system 
→ fckin ~98% deliverability on verified emails 
→ Refreshed every 7 days (where industry average is 60-90 ☠️)

Mobile leads?
→ again Triple checked (w carrier validation + person level matching + call tested) 
→ 80% crowdsourced data (where industry average is 20%) 
→ 1 in 3 calls pickup rate in real campaigns - compared to Apollo’s 1 in 1k ish ☠️

So like you really don't need to run emails through MillionVerifier after, or don't need to waterfall 6 providers in Clay - just... use the damn data lol 💀

What does this mean for your workflow - now you’ll ask?

Just find your leads from their accurate lead finder and push it directly to HubSpot/EmailBison damn 👀

I'm not saying Clay is dead and bs. All I'm saying is for 80% of use cases, most people just won't need it anymore.

When something works this well - Nish basically has to talk about it.

What I’ll say is if you run outbound at any scale - just dont take my word for it - go try Prospeo.io V2 yourself. You'll see what I saw haha.

~ Shri Nishkarsh Agarwal

P.S. The teams that figure out clean data first will dominate 2025. This is honestly I believe is one of those edges.

GTM Engineer/Architect & Automation Specialist

Hi, I'm Karsten.

I like diving deep into complex topics and finding the hidden order that keeps things together.

In my professional career, I have been responsible for IT systems for 20 years in roles such as product owner, sales rep, and consultant in small and large organizations. Developing and handling IT systems is also a matter of organizing information.

I'm a pro at structuring, organizing, and sharing information, not only in academics but also in the business world. I've conducted market research for mobile phone manufacturers, medical devices, and software companies. The results were used for communication, sales, negotiations, and due diligence.

Sharing effective and efficient methods and developing tools is my passion. I'm working on, writing about, and consulting on gathering and handling market information efficiently, especially for entrepreneurs, side hustlers, and small teams who need to be efficient.

Can I help you, too? Let's get in contact to discuss ways to work together.

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