01 · FLAGSHIP
Ship your SaaS MVP in six weeks.
Fixed price. Yours, not a template. The fastest way from a Notion roadmap to paying users. Without the tech debt that costs you the next year of your life.
- Outcome
- Working product, paying users.
- Duration
- 4–8 weeks
- From
- $9,800
- Currency
- USD
— In short
SolvSpot ships productized B2B SaaS MVPs in six weeks for a fixed price starting at $9,800. Each build includes authentication, Stripe billing, six core user flows, a custom design system, an admin panel, analytics, and a production deploy on Vercel. Three tiers: Lite ($9,800 / 4 wks), Standard ($14,800 / 6 wks), Plus ($22,800 / 8 wks). No hourly billing, no scope creep, no surprises.
#What you actually get
A fixed scope, fixed price, fixed timeline build for a B2B SaaS product. Six weeks from kickoff to a working product in your users' hands. Auth, billing, the six user flows that actually matter for your business, and an admin panel for the ops you'll need on day one.
The thing nobody tells you about MVP development is how much of the timeline is spent making decisions that don't matter. Naming things, picking a design system, arguing about the auth provider, debating ORMs. Every founder we work with has lost six weeks of their first quarter to those debates. We've already made all of them. You inherit our playbook, refined across fifty-plus shipped products, and we get straight to the part that's actually about your business.
#The week-by-week plan
Every MVP Standard build runs to the same six-week rhythm. The exact dates land in your scoping doc; the shape never changes.
#Week 1. Foundations
- Repo, CI, deploy pipeline, preview environments
- Postgres schema, migrations, seed data
- Auth flows (email + Google + GitHub by default)
- Design system primitives (typography, color, spacing, the dozen components every screen uses)
By end of Friday, you can sign up, log in, and see an empty app shell deployed to a preview URL.
#Week 2. Core flow #1
The hero flow. The one your homepage hero is about. We build it end-to-end in a week. UI, server logic, persistence, the analytics events, the empty states, the error states. Friday demo.
#Week 3. Core flows #2 and #3
Two more core flows. Less hero, more hygiene. Search, filtering, list views, detail views. Whatever the second and third most-used screens are.
#Week 4. Billing + plans
Stripe integrated end-to-end: checkout, customer portal, webhooks, plan-gated features, downgrade flows, the invoice email. By Friday a customer can pay you real money.
#Week 5. Core flows #4–6 + admin
The remaining core flows, plus the admin panel. The place you'll spend more time than your users will, looking up customers, refunding, debugging stuck data.
#Week 6. Polish, launch, handoff
The week we cut things, not add them. Empty states, error states, copy passes, mobile fixes, the marketing-page sync. Friday: production deploy, repo transfer, runbook handoff.
#Stack opinions, opinionated
We have one default stack and we use it for 80% of builds. The default isn't a recommendation. It's the thing we know cold, ship every week, and have a runbook for at three a.m. When you start swapping pieces, the timeline goes up.
| Layer | Default | Why |
|---|---|---|
| Framework | Next.js 16 (App Router, RSC) | Best-in-class for marketing + product on one stack; Vercel deploys are boring in the good way |
| Language | TypeScript, strict | Everything else burns hours on runtime errors that the compiler should have caught |
| UI | Tailwind v4 + shadcn/ui | Owned components, no library lock-in, evolves with you |
| Database | Postgres (Supabase or Neon) | Boring tech, never the bottleneck, every team can hire for it |
| ORM | Drizzle | Type-safe queries, transparent SQL, no runtime cost |
| Auth | Auth.js / Better Auth | OAuth in 30 minutes, email-magic-link by lunch |
| Billing | Stripe | Nothing else is even close |
| Resend | Best DX, deliverability is good enough, react-email templates are pleasant | |
| Analytics | PostHog | Product analytics + feature flags + session replay in one tool |
| Errors | Sentry | We catch problems before your users tweet about them |
| Hosting | Vercel | Edge runtime, preview environments, OG image generation, ISR. All native |
We swap pieces when the brief calls for it. Astro for marketing-heavy, Bun for performance-critical APIs, Cloudflare Workers when the spike pattern is global. The 20-min scoping call surfaces the swap before we start.
#The eligibility checklist
We're a great fit if:
- You're a founder or founding team with a clear, narrow problem you've already validated with real users
- The product has six or fewer core flows (or you're willing to cut to six)
- The MVP needs to be a real codebase your team will keep building on, not a throwaway prototype
- Your engagement budget is $9,800 or more (under that, no-code or a freelancer is the right call)
- You can make decisions in days, not weeks. We move fast, and we need a single decisive owner on your side
We're a poor fit if:
- You need seven or more core flows in v1 (we'll suggest cutting; if you can't, we'll bow out)
- The product is fundamentally a mobile-native experience (we ship responsive web, not native)
- You need ongoing product-management. We ship the build, you own the roadmap after
- You want hourly billing or open-ended scope (everything we do is fixed-scope, fixed-price)
- The buyer is a procurement department, not a founder (the fixed-price model breaks down across procurement)
#What "fixed price" actually means
Most agencies say "fixed price" and reserve the right to add a change order the moment the brief shifts. We don't.
The way we make fixed price honest is by being unreasonable about scope. The scoping doc lists every flow, every screen, every integration. If something isn't on that list, it's not in v1. Period. If you discover during the build that you need it, we ship v1 as scoped, and v1.1 starts the day v1 deploys. At our hourly rate, or as a follow-on engagement.
This sounds rigid. In practice it's freeing. Founders we work with consistently report that the most valuable thing about our process isn't the build itself. It's the discipline of saying "no, that waits for v1.1" thirty times across six weeks.
#How we keep velocity
Every MVP runs the same operational rhythm:
- Daily commits, every weekday, to a branch you can pull and run locally
- End-of-day async videos (3–5 min Loom) summarizing the day's work, decisions, and blockers
- Weekly Friday demo on Zoom, 30 minutes, where we walk through what shipped that week
- Slack-first communication. We're in your workspace, you're in ours, no email tennis
- Decisions in 24 hours or less. If we ask you a question, we expect an answer in a day; if you ask us a question, same
This isn't a process for show. It's the operational scaffolding that keeps a six-week build on track when life happens. And it does, every time.
#What ships at the end
On the last Friday, you get:
- The repo, transferred to your GitHub org with full commit history
- The deploy, running on Vercel under your account (we transfer ownership)
- The runbook, a markdown doc covering every operational task. How to add a user, refund a customer, run a migration, handle a Stripe webhook failure, debug a stuck queue
- The architecture overview, a one-pager explaining where every major decision lives
- The 30-day fix window, starting that Monday. Any bug we shipped, we fix on our dime
You don't get a slide deck. You don't get a "phase 2 proposal." You get a working product and the documentation to keep building on it.
#Ready when you are
A 20-min scoping call gives you a fixed-price proposal in your inbox within 48 hours. If we're not the right team for what you're shipping, we'll say so on the call and point you somewhere we think is a better fit. Either way, you'll know more about your build at the end of the call than you did going in.
— Stack we use
— What's included
- Auth (email + OAuth) and Stripe billing wired end-to-end
- Six core user flows, fully scoped before kickoff
- Custom design system. Not a template, not a kit
- Admin panel with the operations you need on day one
- Production-grade Postgres schema, migrations, type-safe queries
- Analytics (PostHog) and error tracking (Sentry) wired
- Production deploy to Vercel with preview environments
- 30 days of post-launch fixes for any bug we ship
— Not included
- Native mobile apps (we ship responsive web)
- Sales-led onboarding workflows (talk to us about retainer)
- Translation / localization (English-first; happy to scope later)
- Compliance audits (SOC2, HIPAA. Separate engagement)
— Pricing tiers
Pick a tier, we ship.
MVP Lite
$9,800
4 weeks · 1 founder · fixed scope
- 3 core user flows
- Auth + Stripe billing
- Basic admin panel
- Production deploy
★ MVP Standard
$14,800
6 weeks · Most popular
- 6 core flows + admin
- Custom design system
- Auth + billing + analytics
- 30-day post-launch fixes
MVP Plus
$22,800
8 weeks · With AI feature
- Everything in Standard
- 1 LLM-powered flow
- Advanced analytics
- 30-day post-launch support
— Common questions
Everything we get asked, answered.
How do you decide what's in scope and what's not?
On the 20-min scoping call we walk through your six core user flows. Anything not on that list waits for v1.1. We've shipped 50+ products. There is no scenario where the right answer is to add a seventh flow during the build.
What if I find a bug after launch?
Every MVP includes a 30-day post-launch fix window for any bug we shipped. After that, fixes go through a custom retainer at our standard hourly, or you take it in-house. Your call.
Do I own the code?
Yes, fully. The repo transfers to your GitHub org on day one, and stays yours forever. No licenses, no royalty kicker, no escrow.
Can I bring my own designer or designer brief?
Absolutely. If you have an existing design system or Figma file, we work from it. If you don't, the price includes us building one from scratch. It's part of why our standard tier feels expensive next to a no-code template.
Why not a no-code stack like Bubble?
If your MVP fits inside no-code's ceiling, no-code is genuinely faster and cheaper. We turn down those projects. Founders who come to us are typically a year past that point. They need a real codebase the team can keep building on for two more years.
What happens if we're late?
We've never missed a fixed-price deadline by more than three days. If we do, the additional time is on us. The way we make sure that's true is by scoping aggressively up front and saying no inside the build.
Can I see a recent example?
Yes. Full case studies are at /case-studies, and we'll bring relevant proof to the scoping call. Most recent SaaS MVPs are under NDA but we can demo on screen-share.
— Ready
Tell us what you're shipping.
20-min scoping call gets you a fixed-price proposal within 48 hours.
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