Not a rebuild. A rebirth.
You proved they want it. I make sure you can deliver it.
Your MVP settled the hard question: people pay for this. What it can’t do is carry them. I rebuild proven products to production grade, and because the work spans product, business, design and tech in one head, what comes back is more than what you had: sharper positioning, better design, and an architecture built for the growth you’re actually seeing.
The MVP did its job. Now it needs a successor.
The two hardest questions in any product’s life are already answered: does anyone want this, and what should it feel like. Your first build answered both. That was the ambiguous, expensive part, and it’s done.
The architecture underneath was optimised for speed to demo, not for real users, real data and real money. Success is what exposes that. Patching it means paying for the same foundation again every month.
A rebuild keeps what you proved, the product and the experience your customers already chose, and replaces the one thing that was never designed to carry them. Done right, what comes back is more than what broke: faster to change, safe to sell upmarket, ready for anyone’s due diligence. You’ll see it where it counts, in churn, support volume and time-to-feature, not in a prettier codebase.
Every platform hits its ceiling differently.
The right next step depends on what your product is built on. Pick yours: each page gives you the known failure modes, the evidence, and a ten-question self-assessment that tells you honestly whether you need a patch or a rebuild.
Lovable
Lovable in production: what to check, and whether it’s a patch or a rebuild.
Lovable →Bolt.new
Bolt.new in production: ownership, keys and scale, patch or rebuild.
Bolt.new →Base44
Base44 in production: what leaves the platform with you, and what doesn’t.
Base44 →Bubble
Bubble at scale: when optimising pays off and when it stops paying.
Bubble →Three steps. You always know the next decision.
- 01 Diagnosis
A written architecture and code review of what you have: where it breaks, what’s worth keeping, what a rebuild actually costs. Useful even if you stop there.
Diagnosis: €7,500, fixed. One week.
- 02 Rebuild to scale
The real version, built right. Scoped and fixed-price after the diagnosis. You keep the proven product; the foundation changes underneath it.
- 03 Partnership
Ongoing, optional. A strategic build partner who knows your codebase from the inside. Strategy and development, not ops.
One person. Four disciplines.
Henrik Hallengren has built across product, tech, strategy and design for 20+ years, the four disciplines a rebuild usually needs four separate people for. At the highest level, for some of the world's biggest brands, Google, Mondelēz, P&G and Panasonic among them, worked with across roles and projects. That span in one head is what makes a rebuild fast, and what makes the result more than a restoration.
- autoply — A multi-tenant AI sales platform, built solo from problem to production in roughly two months: tenant isolation, model routing per task, real customers, real invoices.
- Google, at Dentsu — Led the Google Sweden account and grew it 350%, running strategy, product and live broadcast technology together as one lead.
- Kverneriet — Three executive hats (CTO, CIO, CMO), a multi-tenant operations platform, and a +500% revenue pivot on home delivery within weeks when COVID forced the model to change overnight.
Independent by structure: no platform partnerships, no referral fees, no vendor to please.
Performance-backed, in writing.
Agencies never put a clock on themselves. I do, because after twenty years I know what I can deliver. Every rebuild ships against a written spec and an agreed timeline: the final payment is only due when the work meets the spec, and if I run past the deadline, the price drops by the same percentage, automatically. Designed never to trigger.