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UI UX design agency services by SpaGreen Creative for SaaS and mobile apps

SpaGreen Creative is a senior UI/UX design agency trusted by 8,200+ clients across 110+ countries. We have shipped product design for over 350 digital products — from venture-backed SaaS dashboards and fintech mobile apps to enterprise B2B portals — turning messy interfaces into measurable conversion, retention and activation wins.

Our UI/UX design services blend qualitative user research, Figma-based prototyping, accessibility-first UI systems and conversion-rate-optimised flows. Whether you need a 2-week design sprint to unblock a launch or a 12-week product redesign with a production-ready design system, you get senior designers — never juniors hidden in a pod.

Every engagement begins with a fixed-price discovery, written research plan and a Figma file you fully own from day one. No mystery hours, no template-recycled mockups, no design-by-Slack-thread chaos.

8,200+Businesses served
110+Countries shipped
350+Products launched
4.8★Average rating

Common UX problems we solve

Most teams that hire us don't have a design problem — they have a clarity problem. Here's what we typically hear in the first call and how we unblock it inside the first 30 days:

  • “Our SaaS dashboard looks like the 2014 admin template.” We replace bolt-on screens with a coherent design system and a modern data-dense UI that ships in Figma + code.
  • “Onboarding loses 60% of trial users.” We instrument the funnel, redesign activation steps and ship product-led onboarding tours that lift trial-to-paid by 18–35%.
  • “Our mobile app has 2★ reviews citing UX.” We run usability tests on iOS & Android, fix the top 10 friction points and redesign the critical paths.
  • “No design system — every screen is hand-crafted.” We build a tokenised Figma library, Storybook components and design-to-code parity so engineering stops re-inventing buttons.
  • “Stakeholders argue over design in Slack threads.” We replace opinions with research — Maze tests, 5-second tests and interview clips your CEO can't argue with.

What you get with our UI/UX design services

Every UI/UX engagement is built on a research-led, system-first methodology refined across 350+ products. You get the rigour of an in-house design team with the speed of a sprint-based agency:

  • User research, interviews & jobs-to-be-done synthesis
  • Information architecture, user flows & sitemap mapping
  • Low-fi wireframes & clickable Figma prototypes
  • High-fidelity UI, dark mode & responsive breakpoints
  • Tokenised design system (colour, type, spacing, motion)
  • Storybook-ready components & accessibility (WCAG 2.2 AA)
  • Micro-interactions & Lottie/Framer motion design
  • Usability testing with Maze, UserTesting & recorded sessions
  • Conversion rate optimisation (CRO) audits & A/B variants
  • Developer handoff (Figma Dev Mode, redlines, design QA)
UI UX design deliverables: Figma prototypes, design systems and usability testing

Our 4-step product design process

A predictable, research-driven process that turns vague briefs into shipped pixels. Every sprint ends with a Figma file, a Loom walkthrough and a written rationale you can forward to your board or your engineering lead:

step 01

Discovery & Research (Week 1–2)

Stakeholder workshops, 5–8 user interviews, competitive teardown, heuristic audit and a research insight report that aligns your team on what to design — and what not to.

UX discovery and user research phase

step 02

Wireframes & IA (Week 2–4)

Information architecture, user flows, low-fidelity wireframes and clickable prototypes validated with Maze tests before a single pixel is polished.

Wireframes and information architecture phase

step 03

High-Fidelity & Design System (Week 4–7)

Pixel-perfect UI, dark mode, motion specs, a tokenised Figma library, Storybook-ready components and accessibility audited to WCAG 2.2 AA.

High fidelity UI and design system phase

step 04

Handoff & Design QA (Week 8+)

Figma Dev Mode handoff, redlines, paired sessions with engineering, design QA on staging, and a 30-day warranty for visual regressions and edge cases.

Design handoff and QA phase
Book a design audit

Turn confused users into paying ones.

Talk to a senior product designer on WhatsApp. We'll audit your top funnel, scope a design sprint and reply within 24 hours.

  • Design sprints from $4,500
  • Full product design from $9,000
  • Senior designers — no juniors
  • Figma files you fully own

Trusted by 8,200+ businesses · 110+ countries · NDA on request · Free quote in 24h

Tech stack we use for UI/UX design

We use a focused, opinionated toolkit so your team doesn't have to learn six new apps to ship one screen:

  • Design & prototyping: Figma, FigJam, Principle, Framer
  • User research & testing: Maze, UserTesting, Lookback, Dovetail
  • Motion & micro-interactions: Lottie, Rive, Framer Motion
  • Design systems & handoff: Storybook, Figma Tokens, Figma Dev Mode
  • Marketing & landing pages: Webflow, Framer, Tailwind UI
  • Analytics & CRO: Hotjar, Mixpanel, PostHog, Google Optimize

Questions about UI/UX design services

Fixed-price UI/UX design sprints start at $4,500 for a focused 2-week engagement (audit, flows, key screens). Full product design engagements — research, design system and 30+ screens — start at $9,000. Dedicated senior designers are billed monthly from $5,200. You always receive an itemised, fixed-price proposal before kickoff.

A focused design sprint takes 2 weeks. A full SaaS or mobile product redesign with research, a design system and high-fidelity screens typically takes 6 to 10 weeks. We lock the timeline in a 1-week discovery before any design work starts.

UX (user experience) is the research, information architecture, flows and usability layer — making sure the product solves the right problem in the right order. UI (user interface) is the visual layer — typography, colour, components, motion and accessibility. Our engagements always cover both because shipping one without the other produces beautiful products that nobody uses, or usable products that nobody loves.

Yes. We build tokenised Figma libraries with documented colour, type, spacing and motion tokens, plus reusable components that map 1:1 to your engineering stack (React, Vue, SwiftUI, Jetpack Compose). Storybook integration and Figma Dev Mode handoff are included.

Absolutely. We run moderated and unmoderated user interviews, 5-second tests, tree tests and prototype usability tests through Maze, UserTesting and Lookback. You receive a synthesised insight report with video clips you can share with your team.

Yes. SaaS dashboard redesigns are one of our most-requested engagements. We start with a heuristic audit and 5–8 user interviews, then ship a phased redesign so engineering can roll out improvements without a big-bang release.

Every design we ship is audited against WCAG 2.2 AA — colour contrast, focus states, keyboard navigation, screen-reader labels, motion-reduction preferences and ARIA patterns. Accessibility is built into our component library, not bolted on at the end.

Yes. We deliver Figma Dev Mode handoff with redlines, design tokens and exported assets. We also run paired sessions with your engineers, review the staged build screen-by-screen and provide a written design QA report before launch.