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SaaS Product Design Agency

We design UX/UI and front-end architecture for B2B platforms and B2C SaaS products — from first clickable MVP to enterprise scale. You get interfaces that ship in weeks and don't collapse into design debt as your product grows.

What we design across SaaS verticals

HealthTech & MedTech

HIPAA-compliant EHR, patient portals, clinical dashboards.

Logistics & Supply Chain

TMS, fleet management, map-based real-time tracking.

AdTech & Marketing SaaS

Campaign managers, attribution dashboards, self-serve platforms.

EdTech & LMS

Student dashboards, course builders, video learning platforms.

HR Tech & Internal Tools

ATS, approval workflows, employee self-service portals.

DevTools & Data Platforms

API consoles, analytics/BI dashboards, admin panels.
Segmentation

Scenarios we handle.

‍From first MVP to legacy SaaS rebuilds.

Diagnostic
Any stage
1

Audit & Discovery

Focus:
UX/UI Analysis & Brand Analysis.
Pain:
Metrics are down, users are dropping off, or the interface feels 'heavy' but you don't know why.
Execution
0
1

Early-Stage SaaS

Focus:
Validation & MVP.
Execution:
From idea to an investable product — designed to launch fast and prove traction.
1
10

Product Scaling

Focus:
Speed & Design Systems.
Execution:
Design system and component library that let your team ship without accumulating debt.
10
100

Legacy Optimization

Focus:
Retention & Refactoring.
Execution:
Modern flows and visual layer — without touching your backend.
We use isolated AI environments. Can be disabled per task or entirely on request.
Security FAQ

SaaS cases.

B2B platforms, B2C apps, and internal tools:

Real Estate
Tonomo. Real estate operations platform.
SaaS
See
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SaaS
MollyBet Gen Z.
Pro betting with style.
SaaS
See
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more
MedTech
Alta SyncReplay TV. Clinical precision.
MedTech
See
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more
Web3
Azuro. Web3 Betting Protoco Design.
Web3
See
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SportsTech
OddsJam Marketing. Share the true value.
Sports
See
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more
More cases
See
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More cases
Impact

Raise faster. Ship in weeks. Scale without debt. Real numbers. Real products.

$18M+
secured via our Fundraising & MVP Launches.
6 Weeks
average time to launch a fully working MVP product
2.6x
development velocity increase via Design Systems.
7 Years
shipping products that look unlike the competition.
Testimonials
“We are also grateful for their readiness to dive deep into our project in order to better understand it.”
Flatstudio was collaborative throughout the project. They kept the client up to date and considered all requests. The team even created a website with all the necessary links to Abstract, Figma, Dropbox files, and technical description documents.
— Sergei Savlov, Product Owner of Scores24
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Scores24 client logoClutch logo icon
“They are a massive asset to our product and growth strategy.”
Flatstudio has grown the client’s top-line revenue, designing an app with a 20% paid conversion rate and over 1,000 subscribers within two months of the launch. They turn around deliverables quickly and stick to deadlines. The client values their user insight and plans to work with them long-term.
— Luis Lafer-Sousa, Co-Founder of Outlier
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Outlier client logoClutch logo icon
“Flatstudio is always very affable and deeply interested in success of our project.”
Flatstudio has helped the client grow their business exponentially. They're always very interested in the client's success, which they've shown during their meetings on Zoom, Slack, and in-person meetings. They're punctual but also proactive with adding more content.
— Viktor Titov, CEO of Stavka TV
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Stavka client logoClutch logo icon
Capabilities

Design, brand & engineering for SaaS.

Brand Identity & Strategy

Focus: Brand Strategy, Visual Identity, Rebranding.

Branding

Product & Interface Design

Focus: Mobile & Web Apps, UX Audits, Design Systems.

Product Design

Marketing Design & Assets

Focus: Ad Creatives, Landing pages, Social Systems.

Pitch decks service icon, light themePitch decks service icon, dark theme
Marketing Design

Web App Engineering

Focus: React/Next.js Apps, Webflow,

3D & WebGL.

React and Vue.js development service icon, light themeReact and Vue.js development service icon, dark theme
Development
Trust

Secure, owned, and built to last.

Commercial Ownership
You secure full commercial ownership of all assets upon final payment.
NDA by Default
Strict confidentiality agreements signed before we even discuss your idea or see your data.
Secure Workflow
Your product data never leaves controlled environments. Minimal-access principle, isolated project spaces, and no client data in third-party AI tools.
One Team, Full Stack
Design and front-end by Flatstudio. Backend by Push — our engineering partner since 2018. We've even built and launched our own SaaS together (Teamtopia). Two studios, one process, no handoff gaps.

Ways to work with us.

Matched to your stage, budget, and speed:

10
100
Existing products audience iconExisting products audience icon, dark theme

Product Audit & Discovery

Best for. Products facing churn or stagnation.

Output. UI/UX audit report + strategic roadmap.

View Solution

Best for. Pre-product founders raising a round.

Output. Pitch deck + clickable prototype. 4 weeks, fixed price.

View Solution
0
10
Series-funded startups audience iconSeries-funded startups audience icon, dark theme

MVP Design & Development

Best for. Funded startups

Output. Launch-ready MVP + dev-ready design system.

View Solution

Best for. Mature SaaS hitting a growth ceiling.

Output. Rebranding + UI/UX system + modern code.

View Solution
FAQ

Frequently Asked Questions

What does a SaaS product design agency do?

We design B2B and B2C SaaS products – subscription dashboards, admin consoles, analytics tools, and developer platforms. That means the parts where SaaS retention is won or lost: onboarding and activation, role-based permissions, data-dense reporting, and design systems your engineers ship from without guessing.

How long does a SaaS MVP or redesign take?

A focused product audit runs 2–4 weeks. An MVP runs from a few weeks to a maximum of six months for a full design-and-development cycle, confirmed after product architecture. A platform redesign depends on the number of roles, states, and integrations – we scope during discovery rather than quote blind.

How much does it cost to design a SaaS product?

It depends on scope. A focused UX audit of one flow costs far less than a full platform redesign or an MVP build – MVP design engagements start from €15,000. The fastest way to a precise number is a short discovery, scoped against your product stage and data complexity.

Do you support us after launch, or is it a one-time project?

Most SaaS clients move to a Dedicated Product Team after the main release – an embedded team that ships new features, runs A/B tests, and maintains the design system so the product doesn't accumulate design debt over time.

What does Flatstudio do for B2B and B2C SaaS?

Flatstudio is a SaaS product design agency for B2B platforms and consumer SaaS – from a first clickable MVP to high-load enterprise dashboards. We design UX, UI, and component libraries built for React, Vue, or Angular handoff, and keep the product from collapsing into design debt as it grows.

We have a legacy backend. Will a UI redesign force us to rewrite our code?

Not if scoped correctly. We audit your current API structure and data constraints first, then redesign the visual layer and user flows without requiring backend or database changes – a UX layer that respects the engine you already have.

Our product has complex business logic. Do you actually understand it before designing?

We start with a logic audit – mapping your terminology, user roles, and data dependencies before proposing any screens. We treat design as engineering: if a flow doesn't match the underlying business process, it doesn't ship.

How do you hand off designs to developers?

You get a component-based system compatible with React, Vue or Angular – design tokens, Figma Dev Mode specs, and interactive prototypes for complex interactions. No screenshots without a blueprint behind them.

We work in 2-week Agile sprints. Can you integrate into our workflow?

Yes. We embed into your Jira or Linear process and can prepare UI for the next sprint while supporting devs on the current one – continuous delivery, not a one-off handoff.

How does design actually reduce churn in SaaS?

Churn often comes from high cognitive load – users feel overwhelmed rather than guided. Simplifying onboarding, adding empty states, and clarifying navigation reduces time-to-value: if a user finds value in 5 minutes instead of 50, they stay.

Got more questions?