UI/UX Design That Drives Signups, Activation, and Retention
We design products that grow. For pre-seed to Series A startups in SaaS, Fintech, and Healthcare — we optimize every flow from first visit to loyal user. 8+ years experience. 1000+ projects delivered.
Trusted by funded B2B SaaS teams






About the Service
UI/UX Design
We design digital products that drive growth — not just look good. Our UI/UX design process is built around startup metrics: conversion to signup, user activation, onboarding completion, and retention.
Every design decision we make ties back to your growth goals. We optimize signup flows that convert, onboarding sequences that activate users, and product experiences that keep them coming back. Whether you're building a SaaS platform, fintech app, or healthcare solution — we transform complex problems into experiences that move your metrics.
From early-stage MVPs to complete product redesigns, we deliver designs that help startups acquire users, retain them, and raise funding.
Ideal For
- Pre-seed to Series A startups
- SaaS companies building or redesigning products
- Fintech apps requiring trust and usability
- Healthcare platforms needing HIPAA-conscious UX
- Founders preparing for investor presentations
Deliverables
- User research synthesis
- Information architecture
- User flows optimized for conversion
- Onboarding flow design
- Wireframes
- High-fidelity UI design
- Interactive prototypes
- Design system / component library
- Developer handoff specifications
Timeline
4-12 weeks depending on scope
Our Proven Workflow
We follow a Double Diamond methodology adapted to startup speed. Each phase has clear deliverables and checkpoints.
- Step 1
Discovery
We start by understanding your business, users, and goals. This includes stakeholder interviews, competitive analysis, and reviewing any existing data. The output is a clear project brief and success metrics.
- Step 2
Research & Analysis
We dig into user behavior, pain points, and opportunities. Depending on the project, this may include user interviews, analytics review, heuristic evaluation, or UX audit of existing products. We synthesize findings into actionable insights.
- Step 3
Information Architecture
We define the structure — user flows, sitemaps, and content hierarchy. This ensures users can navigate your product intuitively before we design a single screen.
- Step 4
Wireframing & Prototyping
Low-fidelity wireframes map out layouts and interactions. We prototype key flows to validate decisions with stakeholders before investing in visual design.
- Step 5
UI Design
This is where your product comes to life. We design pixel-perfect interfaces with your brand identity, create component libraries for consistency, and ensure responsive behavior across devices.
- Step 6
Handoff & Support
We prepare detailed specifications for developers — spacing, typography, interactions, assets. We remain available during development to answer questions and review implementation.
Industries We Work With
From fintech to fitness — our design solutions scale across sectors.
Case Studies
A few of the products we've shaped.
PROJECTS
Why Partnering With Us Drives Better Results
We combine expertise, creativity, and a results-driven mindset to deliver exceptional digital experiences. From strategy to execution, our team ensures every project meets the highest standards and drives real impact for your business.
Reason 1
Growth-focused design thinking We don't just make things pretty — we design for metrics. Every project starts with understanding your growth goals: activation rate, conversion, retention, LTV. Design decisions tie directly to moving these numbers.
Reason 2
Team dedicated to your success You work directly with senior designers — not account managers. Our team includes a Design Lead, Project Manager, and experienced designers who treat your product like their own.
Reason 3
Data-driven decisions We don't design based on opinions. Every major decision is backed by user research, competitive analysis, or validated best practices. This reduces risk and increases confidence in outcomes.
Reason 4
Startup-native experience We've worked with 1000+ projects across SaaS, Fintech, Healthcare, and AI. We understand startup constraints — tight budgets, fast timelines, pivoting requirements — and design accordingly.
Reason 5
Fast iteration cycles First drafts delivered within 2 days of briefing. We move at startup speed because we know timing matters for fundraising, launches, and market windows.
Reason 6
Scalable design systems Every project includes a component library and design system documentation. Your product stays consistent as you add features and scale your team.
What Our Clients Say
50+ SaaS and tech companies have partnered with Masterly to ship faster and grow.
1/6

Peter Mandel
CMO at healthyverse GmbH
Partnering with Masterly was seamless from start to finish. Their design precision and creative thinking went beyond what we imagined. The team was responsive, strategic, and genuinely invested in our vision. The final result speaks for itself — if you're looking to level up your brand with sharp, business-minded design, Masterly is the team to call.


Book an Intro Call
Get a breakthrough design that wins users and investors — by partnering with a Masterly design agency, without wasting months or making costly mistakes.
30 min
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hello@masterly.digital


