Bootstrapped venture studio · 8 B2B SaaS companies
Building technology that multiplies business results without multiplying costs. 8 profitable B2B SaaS companies serving 10,000+ businesses globally.
Momentum Labs portfolio: VoiceDrop, Prymatica, 1Lookup, 1Capture, EmailChaser, TeamPredict, BitPredict, Articly.
Portfolio / 8 products, all live
B2B SaaS serving 10,000+ businesses globally. Every product below is live: pick one and try it.
Drops personalized voicemails straight into prospects' inboxes — without ever ringing their phone. Powered by ElevenLabs voice cloning, VoiceDrop scales a genuinely human touch to thousands of contacts at once, backed by SOC 2 Type II-grade security.
A fully managed cold email engine for B2B teams, running since 2020. Prymatica handles it all — domain setup, inbox warming, copywriting, and campaign management — booking qualified sales meetings from a pool of 10M+ verified prospects so your team just shows up and closes.
Featured in Robby Frank, Instantly
Real-time verification for phone numbers, emails, and IP addresses with industry-leading accuracy. Built for SMBs who need enterprise-quality data without enterprise complexity.
Featured in TrustMRR · Works with HubSpot, Salesforce +5
Turns more free trials into paying customers using Stripe-native payment pre-authorization and AI-optimized trial sign-up pages — no engineering or product changes required. Customers see 2-3x more conversions on the same traffic, with one jumping from 12% to 57% overnight.
A deliverability-first cold email platform that bundles everything you need into one tool: a built-in lead finder, double email verification, multi-step campaigns with AI spintax, a master inbox, and a lightweight CRM. Unlimited inboxes and seats at a flat price, so teams can scale outreach without per-seat penalties.
Featured in Lobstr.io, Salesforge
Helps HR and People teams get ahead of resignations. TeamPredict uses AI to monitor employees' public LinkedIn profile signals daily and grades each person's resignation risk, then sends alerts and a weekly digest. Teams catch a likely exit weeks early — time to groom a successor, re-engage the person, or line up a replacement before a key role opens up, with no panic hires.
A transparent platform where users publicly predict whether top crypto assets go up or down and build a verifiable predictive reputation. No trading and no money at stake — just timestamped calls, public leaderboards, and accountability.
Puts your blog on autopilot. Connect a WordPress site, set your topics, and Articly researches, writes, and publishes SEO-optimized articles every day — no writers, no agencies, no manual work. Trusted by thousands of blogs compounding their organic traffic.
Featured in Automateed
How we operate
We win when customers win. Performance-based pricing and aligned incentives ensure you get value before we get paid. Simple as that.
Complex problems need simple solutions. 10-minute setup vs competitors' multi-day onboarding. If you need a manual, we've failed.
Enterprise-grade accuracy guarantees. Published callback rates. Every claim backed by numbers. If we can't measure it, we don't promise it.
Idea to revenue in 8 weeks. MVP in weeks, not months. Real customer feedback beats endless planning. Fast failure beats slow failure.
Momentum Labs portfolio growth: $0 in 2020 (Foundation Year), $125K ARR in 2021 (First Revenue), $750K in 2022 (Product-Market Fit), $2.5M in 2023 (Scale Mode), $7.5M in 2024 (Multi-Product Suite), $15M+ in 2025 (Market Leadership).
Trajectory
No outside capital. Customer-funded growth across the whole portfolio.
The team
Technical excellence meets strategic vision.
Chief Executive Officer
"Ideas are worthless—execution is everything"
Strategic business leader with extensive experience in scaling technology companies from startup to exit. Former IDF Commander (Tanker, Combat Medic 2013-2016) with proven leadership experience managing teams under pressure.
Now based in Miami, after several years building the business remotely from Medellín, Colombia. Nadav has founded 8 businesses across multiple industries, developing expertise in systematic scaling, market validation, and business development. Previously served as VP of Israel's Libertarian Party, achieving significant voter engagement through grassroots organizing.
CTO & Head of Growth
"Calm down, it's just life"
Self-taught entrepreneur and technical leader with 12+ years of experience building profitable B2B SaaS companies. Started as a frontend developer in 2012 and has since built multiple 7-figure businesses from the ground up.
Based in Israel, Robby specializes in rapid product development and growth marketing, with over 1,000 outreach campaigns executed across various industries. His technical expertise spans the full development stack, enabling Momentum Labs to deliver products in weeks rather than months.
Robby handles technical implementation, growth operations, and customer onboarding. Nadav manages strategic planning, financial operations, and business development. Clear separation of responsibilities with aligned objectives.
MVPs in 2-4 weeks. Market validation before development begins. Rapid iteration cycles — shipping quickly, gathering customer feedback, and pivoting based on data — have secured first-mover status across multiple categories.
Both founders have navigated business failures and downturns, including COVID-19 and market crashes. Data-driven decisions, direct feedback, and shared risk through equal equity have proven resilient across cycles.
Product development, growth operations, financial management, and business strategy: together the founders cover every critical function with no operational gaps.
View our B2B SaaS ventures
Explore the products we have built
partnerships@mlabs.vc
For investors & strategic partners
careers@mlabs.vc
Build B2B SaaS with our portfolio
30+ distributed team members across multiple countries. Bootstrapped. Profitable. Reinvesting for sustainable growth.
