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Xerx

UI/UX Design Services & Design System Consulting

Design that survives the roadmap.

UI/UX design services for web apps, SaaS products and websites: product UI, clickable prototypes and design systems that hold up as the product grows. We design like engineers and engineer like designers — every screen is built by the people who designed it. The design system isn't a sticker book, it's the source code for how the product looks.

Design projectsfrom €3,900

Final price after diagnosis — in writing before the start.

All prices

/ Sound familiar?

Why screen designs die in implementation.

  1. 01

    Beautiful screens, different product

    The Figma file was perfect. What shipped looks different – because designers and developers never spoke the same language.

  2. 02

    Every new page a new look

    Three designers, four blues, six button variants. Without a system every extension drifts further from the brand.

  3. 03

    UX problems found after launch

    The flow was drawn, never tested. Users find the gaps – with support tickets instead of feedback.

  4. 04

    The agency delivers pictures, not a product

    A design package the developers have to interpret. Handoff takes weeks, details get lost, nobody feels responsible.

/ What's different here

UI design built by the people who designed it.

  1. Design and development from one team

    We design the screen and build it. No handoff loss, no interpretation – what you approve in the prototype is what ships.

  2. Design system, not sticker sheet

    Tokens, type, components and spacing as source code. Every new page and feature automatically looks like your product.

  3. UX before UI

    The flow first, then the surface. Clickable prototypes tested with real users before a line of code exists.

  4. Fixed price from €3,900

    Scope and price are in the quote. For web apps, SaaS interfaces and websites that need more than a template.

Start a project

What you get

Systems, not screens.

  • / 01

    UI design for web apps & SaaS

    Interfaces for web apps, dashboards and SaaS products – as a clickable Figma prototype and as built components. Responsive from the start, not as an afterthought.

  • / 02

    Design systems

    Tokens, type, components and spacing that hold up as the team grows. Documented, versioned, in code – not only in a Figma library. Consulting for teams that have one and need it to work.

  • / 03

    Product UX

    Flows, states, error cases, empty states – the work that makes a web app usable. Tested with users, not just stakeholders.

  • / 04

    Brand identity & marketing layouts

    Logo, color, type and the marketing pages that match. If a brand already exists we work with it, not against it.

Tools we reach for

  • Figma
  • Tailwind tokens
  • Phosphor / Lucide
  • Framer Motion
  • shadcn/ui
  • Inter / Instrument Serif

How we work

  1. Listen

    Audit the product, the brand, the audience. Often we start by making a problem visible, not by drawing.

  2. Frame

    Tokens before components, components before screens. The hierarchy matters because it's how the system holds together.

  3. Make

    Design in Figma, mirror in code, document as we go. Engineers ship designs they can read, not interpret.

  4. Sustain

    Design systems decay without stewardship. We stay close so the system stays alive.

Said about the studio

We let the work speak first.

  • I cannot recommend Yuriy enough. He designs and builds beautifully and correctly, communicates clearly, and makes the work fun. If you need a high-performance website for your business — look no further.

    Griffin Stewart

    Co-Founder, 5DayDeal

  • Yuriy is by far one of the best developers I've ever worked with. Skill, ability, communication — all top notch. Best of all, he thinks above and beyond the task and recommends a better alternative when one fits.

    Gary Rudd

    Co-Founder, LifeLock Promo Codes

  • Yuriy and his team are simply the best. They take a vision and turn it into a complete work of art — every aspect of the solution completed professionally and to perfection.

    Douglas Geller

    Founder & CEO, GDSI

/ The package

Design projects from €3,900 — scope and price in the quote.

Final price after diagnosis · €120 per hour beyond the agreed scope

Start a project
  • UI design for web apps, SaaS and websites
  • Clickable Figma prototype, tested before code
  • Design system: tokens, type, components, spacing
  • Documented and versioned in code, not only in Figma
  • Flows, states, error cases and empty states
  • Built by the same people who designed it

Selected work

Selected product design & UX work.

A few projects where the design system and the build were the same job. Before-and-afters where we have them — the full story lives on each case study.

/ 01

Reini Happ und Freunde

Non-profit · Donation site · Innsbruck

  • Brand identity
  • UI design
  • Web build
Reini Happ und Freunde — the legacy default-theme donation site, before the rebuild
BEFORE
Reini Happ und Freunde — the rebuilt branded donation site
AFTER

Problem

A charity website built like an afterthought — a default theme, broken assets, and donations gated behind a 22-character IBAN typed into a banking app.

Approach

A new brand and a focused rebuild: one-tap Stripe and PayPal giving, and a custom post type that totals the team's accomplishments automatically.

Outcome

A donation page that finally matches the team behind it — giving in a tap, totals that tally themselves.

Stripe + PayPal giving
1-tap

Stripe + PayPal giving

totals tallied for the team
auto

totals tallied for the team

Read the case study

/ 02

Formula Foundry

B2B SaaS · Full product launch · Built end-to-end

  • Brand system
  • Product design
  • Design system
Formula Foundry — marketing site, add-ons, and customer portal
AFTER

Problem

A spreadsheet-power-tools startup needed an entire product to feel like one product on day one — two add-ons, a customer portal, and a marketing site — before a single testimonial existed.

Approach

One brand and one design system across every surface: the Google Sheets add-on, the Excel add-in, the app portal, the marketing site, and seat-based billing — designed and built end-to-end, to a single launch date.

Outcome

Coherent enough that data and finance teams trusted it from launch, and the organic footprint compounded as the content and comparison pages landed.

search impressions in ~6 months
+54×

search impressions in ~6 months

organic clicks
5×

organic clicks

surfaces, one launch
4

surfaces, one launch

Read the case study

/ 03

Structura

Our own product · Marketing site, app portal & docs

  • Brand identity
  • Product UI
  • Design system
Structura — marketing site with the in-admin product UI
AFTER

Problem

Our own product needed a face — a marketing site, an app portal, and a docs site that all read as one system, plus a product UI living inside WordPress admin, where design usually goes to die.

Approach

A single design system spanning the marketing site, the in-admin product UI, and the docs: tokens and components shared, so the dashboard feels designed, not bolted on.

Outcome

A product surface visitors can navigate, and a wp-admin experience that doesn't look like wp-admin.

surfaces, one design system
3

surfaces, one design system

product UI that feels native
in-admin

product UI that feels native

Read the case study

Growth figures from Google Search Console (search impressions & clicks). Design and build by Xerx.

Design systems

Design systems, not sticker sheets.

The system isn't a library of screens — it's the source code for how a product looks. Tokens, type, components, and spacing that hold up as the team grows.

Type scale

Aa
Display · 40
Heading
Fraunces · 400 · 26
Body copy that has to read for years.
Inter · 16
LABEL
JetBrains · 13

Color tokens

accent-400

accent-500

brand-500

brand-700

ink-950

ink-700

paper-50

paper-200

--gradient-brand · cyan → purple

Components & states

PrimarySecondaryDisabled
LiveBadgeChip

Spacing & grid

6-col · 24px gutter

4
8
16
24
32

Capabilities

UX and UI are different jobs.

We do both — because a beautiful interface over a broken flow still fails, and a flawless flow that looks unconsidered never earns trust.

UX — Experience

Can people get things done?

Structure and flow: the part users feel but never see.

  • 01User flows & journeys
  • 02Information architecture
  • 03Interaction & states
  • 04Usability & research
  • Product design
  • SaaS design agency

UI — Interface

Does it feel considered?

Surface and craft: the part that makes a product feel built with care.

  • 01Type & hierarchy
  • 02Color & tokens
  • 03Components & states
  • 04Motion & polish
  • UI design
  • Digital product design

In their words

Trusted to build what lasts.

  • I cannot recommend Yuriy enough. He designs and builds beautifully and correctly, communicates clearly, and makes the work fun. If you need a high-performance website for your business — look no further.

    Griffin Stewart

    Co-Founder, 5DayDeal

  • Yuriy is by far one of the best developers I've ever worked with. Skill, ability, communication — all top notch. Best of all, he thinks above and beyond the task and recommends a better alternative when one fits.

    Gary Rudd

    Co-Founder, LifeLock Promo Codes

  • Yuriy and his team are simply the best. They take a vision and turn it into a complete work of art — every aspect of the solution completed professionally and to perfection.

    Douglas Geller

    Founder & CEO, GDSI

FAQ

Questions we get a lot.

UX is how it works — flows, structure, whether people can actually get things done. UI is how it looks and feels — type, color, components, motion. A good UX design agency does both, because a beautiful interface over a broken flow still fails.

If your product is growing or more than one person touches the UI, almost certainly. A design system keeps things consistent and fast to build as you scale — tokens and components instead of redrawing screens. For a one-off landing page it's overkill, and we'll say so.

Design projects start from €3,900 — a focused product UI is a different scope from a full brand plus design system, so the final price is in writing after the diagnosis, before the project starts. Tell us where you are and what's blocking you, and we'll scope an honest package instead of quoting blind. All packages at a glance on our pricing page.

Yes — plenty of our work is product design and UI/UX inside an established brand, not a rebrand. We extend what you have into a system that holds up as the product grows.

We design like engineers — tokens in Figma mirrored in code, documented as we go — so developers ship designs they can read, not reverse-engineer. Often the engineer is in the room from the start.

Our design projects start at €3,900 fixed price – roughly the UI design for a website or the core flow of a web app including a prototype. A full design system with a component library sits above that; the price is in the quote before we start. Hourly rate beyond the scope: €120.

An audit of what you have (Figma library, code components, tokens, documentation), the gaps between design and code, and a plan to close them – then, if you want, the build: tokens and components in code, documented, with a governance rhythm your team can keep. Useful when three teams ship three versions of the same button.

Working together

Got a design problem in mind?

Brand, product design, or a design system. Tell us what you're working on.

Start a projectEmail hello@xerx.io