Software so good you can't help but smile
We build software for ambitious teams that want to move from business idea to a live product customers can use, fast.
Explore recent client work focused on real business outcomes
Nightwatch + Shopify eCommerce
Conversion rate optimization and web design
Xometry + Manufacturing/Advertising
3 parallel design sprints
Audible Sight + Accessibility
First launch version and a clear build plan
Lineage CRM + Insurance Sales/Telephony
End-to-end product design and build
NCEE + Teacher Team Tools
Education collaboration powered by AI
From Idea to Live Product
Our proven 4-step process turns your concept into a launch-ready product with a clear path to grow.
Discovery Strategy Session
Leave with a clear customer profile, business model, and core value message.
Product Blueprint Session
Align on priorities, map key user actions, and leave with a clickable prototype.
Workflow Build
Refine the prototype into a working product connected to your team's real workflows.
Launch & Handover
Launch your first release with clear handoff guides so your team can run it confidently.
2 Business Weeks · Ongoing feedback at every step
Our Build Guarantee: We Stay Until It Works
If something needs adjustment, we fix it at no extra cost. Once things are running smoothly, we keep improving and supporting growth with you long term.
"Black Flag didn't just build a tool—they helped us reimagine a new way to deliver on our mission."
"Partnering with this team accelerated discovery of new business logic. Their ability to translate ambiguity in new markets into working code is impressive."
"Partnering with this team accelerated discovery of new business logic. Their ability to translate ambiguity in new markets into shipping code is impressive."
Everything You Need to Launch and Grow
We build what you need to launch quickly and grow confidently, without rebuilding everything later.
End-to-End Product Build
We deliver complete product slices with customer-facing features and the systems behind them, ready for real use from day one.
Security & Compliance Readiness
When your market requires it, we help you prepare for standards like SOC 2 and HIPAA so sales conversations move faster.
Growth Partner
We support early sales conversations, monitor live product health, and set up polished demos so you can grow with confidence.
Built Around Your Business
We fit into your current tools and workflows, then build what your team and customers actually need.
Transparent Pricing for Every Stage
Choose the package that fits your needs and scale as you grow
New Business
Perfect for startups and accelerators
Growth
For teams ready to grow
Enterprise
For complex, high-growth products
Buy now, pay later pricing available, book a call
FAQs: Your Questions Answered
Let's Get Started
Tell us about your vision and we'll show you how to make it reality
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