We help founders build investor-ready pitches, AI prototypes, MVPs, scalable SaaS platforms, and long-term technical infrastructure. For 10+ years, we've helped founders turn concepts into real businesses.
MVP Launched
in 6 weeks
$2.4M Raised
post-prototype
Stage 0 → Scale
full journey
11 Seas becomes your execution partner.
Click your current stage to see how we can help.
Stage 0
"I only have an idea."
Most founders fail before development even starts because they cannot clearly explain their vision to investors.
Perfect For
What We Deliver
Deliverables
"I only have an idea"
We validate, strategize, and build your pitch deck.
"Investors need a demo"
We rapidly prototype with AI tools for faster fundraising.
"My MVP is broken"
We fix, rebuild, and ship production-ready software.
"We need to scale"
Dedicated teams, infrastructure, and growth engineering.
"We need technical leadership"
CTO-level consulting and long-term technical partnership.
One partner for every technical need — from day one to enterprise.
Validate ideas and shape your business model
Architecture and roadmap design
Lean, scalable product structure
Fractional CTO for growing teams
Beautiful, conversion-optimized interfaces
Pixel-perfect design systems
Interactive investor demos
Optimized journeys that convert
React, Next.js, Node.js
End-to-end SaaS platforms
iOS & Android native/hybrid
GPT, Claude, custom AI integrations
Scalable, secure backends
B2B/B2C multi-vendor platforms
Automated and manual testing
AWS, GCP, Docker pipelines
Scalable, cost-optimized infra
Workflow and process automation
Long-term engineering partnership
European Automotive Aftermarket Marketplace
From a marketplace concept to a multi-country B2B platform — we partnered with Henkel Parts through every stage of their startup journey, becoming their permanent technical backbone.
Startup idea for a European automotive aftermarket marketplace. Initial business model validation and competitive analysis.
Investor pitch deck + interactive marketplace prototype built with AI-assisted rapid tools. Secured initial funding.
Full B2B marketplace platform connecting manufacturers, wholesalers, workshops, and distributors across Europe.
ERP integrations, fulfillment systems, logistics workflows, and dedicated engineering team partnership.
Scaling toward multi-country European expansion with enterprise infrastructure, localization, and high-performance teams.
Real products, real results — from prototype to production.
Enterprise analytics platform with real-time data visualization and AI-powered insights.
AI-powered content generation platform used by 10,000+ marketers worldwide.
Multi-vendor e-commerce platform with ERP integrations and logistics workflows.
Payment processing and financial management solution for European SMBs.
Telemedicine platform with AI diagnostics and appointment scheduling for clinics.
Learning management system with AI-powered tutoring and progress analytics.
"11 Seas took our idea from a napkin sketch to a funded product in 3 months. Their understanding of the startup journey made all the difference."
Sarah M.
CEO · SaaS Startup
"We went through 3 agencies before finding 11 Seas. They actually understand fundraising pressure and deliver on startup timelines."
David K.
Founder · B2B Marketplace
"From prototype to scale — 11 Seas has been our technical backbone. Their team feels like an extension of ours. Can't recommend them enough."
Alex R.
CTO · AI Platform
We understand startup cash flow challenges, scaling pain, and the reality that things change fast.
Fundraising pressure, investor deadlines, MVP urgency, technical uncertainty — we've seen it all.
We've been building software products with founders since before it was trendy.
Different stages need different solutions. We don't overbuild or underbuild.
AI-assisted development, rapid prototyping, and lean processes that match startup pace.
We don't just build software. We help founders survive every stage of their journey.
From first user to scaling challenges — we evolve our support as you grow.
11 Seas is the technical growth partner for startups — from investor pitch to scalable product. Let's talk about where you are and where you want to be.
"11 Seas is the technical growth partner for startups."
From investor pitch to scalable product — one partner, every stage.