5 Design Agencies That Actually Get SaaS and Startup Products

You've built a solid product, but if the design feels clunky or confusing, users will bounce. The right design partner can turn your MVP into a polished experience that drives growth. I've rounded up five agencies that specialize in UI/UX,

Why Design Is a Growth Lever for SaaS

In the SaaS world, your product's interface is your sales rep, your support team, and your retention engine all in one. A confusing dashboard or a slow onboarding flow can kill adoption before users ever see your core value. That's why more founders are treating design as a strategic investment, not just a cosmetic afterthought. Agencies that combine UX research, conversion-focused layouts, and scalable design systems are becoming essential partners for startups looking to reduce churn and accelerate time-to-market.

How I Ranked These Agencies

I evaluated each agency on three criteria: depth of SaaS-specific experience, clarity of their process and deliverables, and how well they balance strategic thinking with hands-on execution. I also considered client feedback and the range of services offered, from branding to development, to ensure you get a partner that can handle end-to-end needs.

Here's a quick look at the five agencies and what they do best, so you can zero in on the right fit for your stage and budget.

The Top 5 Design Agencies for SaaS and Startups

#1 Eleken

A screenshot of the Eleken website.

Eleken positions itself as a pragmatic UI/UX design agency built specifically for SaaS teams. They focus on turning clunky MVPs and dev-designed tools into clean, usable products, often starting with a dedicated designer within days. Their portfolio spans industries like cybersecurity, fintech, and AI, with over 100 reviews on Clutch.co backing their reliability. Eleken's approach is fast and hands-on, making them a strong pick if you need to fix confusing UX without a long onboarding process.

#2 Wavespace

A screenshot of the Wavespace website.

Wavespace is a full-service SaaS design agency that covers everything from UX research and branding to Webflow development and ongoing CRO. They boast a 92% client satisfaction rate and claim to have influenced over $10B in valuation through their design work. With 550+ global projects and a client list that includes YC-backed and VC-funded companies, Wavespace offers a mature, data-driven process. Their subscription model is a standout for teams needing continuous design support without hiring in-house.

#3 Phenomenon Studio

A screenshot of the Phenomenon Studio website.

Phenomenon Studio markets itself as more than a SaaS design agency, emphasizing business-minded, developer-ready, and conversion-focused design. They offer a broad range of services including web and mobile development, AI development, and team extension, making them a one-stop shop for scaling products. Their clients have raised over $500M in investments, signaling a track record with high-growth startups. If you need a partner that can handle both design and development under one roof, Phenomenon Studio is a solid choice.

#4 Orbillo | UI UX Design, Branding and Web Development Agency

A screenshot of the Orbillo website.

Orbillo is a design agency that provides end-to-end digital design and product services specifically for startups and SaaS teams. Their offerings include brand identity, UI/UX design, web development, and social media design, all delivered with a collaborative, milestone-based process. They differentiate themselves with a dedicated project manager, AI-powered workflows, and 24/7 support, ensuring you stay involved at every step. Client testimonials highlight their swift attention to detail and ability to make products both beautiful and functional, making them a reliable partner for international clients.

#5 Groie

A screenshot of the Groie website.

Groie is a SaaS UI/UX design agency that focuses on product design that users understand, trust, and actually use. They emphasize reducing friction in onboarding, supporting activation and retention, and helping sales demos land better. Their approach ties design to product positioning and user behavior, delivering UX strategies, design systems, and MVP designs for early-stage startups. Groie's no-fluff, growth-oriented style makes them a great fit if you want design decisions backed by real user intent and conversion goals.

How to Pick the Right Design Agency for Your SaaS

Start by defining your biggest design pain point: is it a confusing MVP, a lack of brand identity, or a need for ongoing design support? If you need fast, dedicated UX fixes, Eleken's model is hard to beat. For a full-service partner that can handle strategy, design, and development, Wavespace or Phenomenon Studio offer broader capabilities. If you prefer a collaborative, milestone-based approach with a dedicated project manager, Orbillo is a strong contender. And if your focus is on conversion and user behavior from day one, Groie's strategic lens will serve you well. Always ask for case studies in your industry and clarify how they handle handoffs to your engineering team.

Streamlining Your Design Workflow

Once you've chosen an agency, set up a shared project management tool like Notion or Asana to track milestones and feedback. Use automated check-ins via Slack or email to keep communication flowing without endless meetings. Many agencies, including Orbillo, offer AI-powered workflows that can speed up iterations. Pair that with a design handoff tool like Zeplin or Figma's developer mode to ensure your engineering team gets clean, actionable specs every time.

Your Next Step Toward Better Product Design

Great design isn't a luxury for SaaS startups; it's a competitive necessity. Whether you need a quick UX overhaul or a complete brand and product redesign, these five agencies offer proven paths to a more intuitive, conversion-ready product. Book a call with the one that matches your stage and budget, and start turning your product into a growth engine.