Let's talk

PRODUCT · UX/UI DESIGN

SaaS design services: UX and UI for startups

SaaS design services are the UX and UI work behind a software product: flows, screens, design systems and prototypes that engineers can build and users understand. For first versions and redesigns of products in use.

Book a 20-minute call (opens Google Calendar in a new tab)Plan your MVP scope
Led by Roger GrekosCo-Founder, product

The drawing shows a finished table screen and, under it, the other states it needs, such as empty, loading and error, with the empty first-run state marked.

We design SaaS products for startups from the problem up. Every screen starts from a user job and a business goal and gets tested as a prototype. It reaches your engineers with the states and edge cases already decided. Design sits inside our product management services, so research, scope and design stay one conversation.

01SOUND FAMILIAR?

Signs your product needs design help

  • SYMPTOM 01

    Every screen was designed by whoever built it

    Usually means: There are no shared patterns, so the product feels like several products stitched together.

  • SYMPTOM 02

    Users need a demo before they can use the product

    Usually means: Flows and labels follow how the team thinks, not how users work.

  • SYMPTOM 03

    Engineers keep asking what happens in the edge cases

    Usually means: The designs stop at the happy path; empty, error and loading states are missing.

  • SYMPTOM 04

    Our dashboard shows everything and helps with nothing

    Usually means: The screens users visit most have no clear hierarchy or primary action.

  • SYMPTOM 05

    We want a redesign but are afraid of upsetting current customers

    Usually means: A redesign needs a plan for moving existing users, not only new screens.

Led by Roger GrekosCo-Founder, product

Shaping a new product or rethinking a live one? We can tell you where design should start.

Tell us about your project (opens our project form in a new tab)

02WHAT WE DO

What our SaaS design services include

  • SaaS UX design: flows and structure

    We map who uses the product and what they come to do, then design the flows and navigation around those jobs. You see the structure as simple wireframes before anyone spends time on pixels, so changes stay cheap.

  • SaaS onboarding UX

    We design the first-run path from signup to the moment the product proves its value. That covers setup steps, invitations, empty states, sample data and the prompts that bring users back. Onboarding gets its own flow map, because it is where a new user decides whether the product is worth the effort.

  • UI design and a design system

    We design the interface and the system behind it: type, colour, spacing, components and their states. Engineers build from components rather than one-off screens, so the next feature starts from parts that already exist.

  • B2B SaaS design for dense screens

    B2B SaaS design lives in tables, filters, dashboards, permissions and settings. We design these for the people who use them all day: a clear hierarchy, one primary action per screen and sensible defaults.

  • Prototypes tested with users

    Before any production code, we put clickable prototypes in front of real users, with user testing questions written for the decision at hand. Larger studies run as their own UX testing engagement.

  • Specs and handoff engineers can build from

    Every screen ships with its states, errors, empty and loading views, responsive behaviour and accessibility notes. We stay on hand during the build to answer questions, and review the built screens before release.

Illustration of a button's handoff spec, with spacing, size and contrast marked

03IN BRIEF

Choosing a SaaS UX design agency

Look for a SaaS UX design agency that starts with your users and your goals, not a mood board. It should also show how its designs reach production. Three questions sort them quickly: who will you talk to before designing, how will you test the design, and what exactly will our engineers receive?

Good answers name real research steps and prototype tests before the build. They also describe a handoff that covers states, edge cases and components, not a folder of static screens. Ask how the agency handles a redesign for existing customers, and who settles it when design and engineering disagree. Our own answers are short. Roger leads the product side, and our engineers review flows for feasibility before the designs are final. When you need the product built too, our engineering side works as an MVP development agency from the same files. Nothing is lost between design and code.

SaaS product design versus visual design

SaaS product design decides what each screen does and why; visual design decides how it looks. Both matter, but product design comes first, because a polished screen with the wrong flow still loses the user it was meant to help.

Product design covers the jobs users bring to the product, the flows between screens and the information each screen needs. It also covers permissions, defaults and what happens when something goes wrong. Visual design then gives that structure a clear hierarchy, consistent components and a look that fits your brand. When a founder asks for a quick visual refresh, we check the flows first. A new colour scheme cannot fix a flow that asks users to guess. Our guide to what a UX audit checks shows the kind of review we mean. Our UX audit services deliver it as a stand-alone, ranked report when that is all you need.

04STEP BY STEP

How SaaS design work runs

  1. 01

    Audit

    We map your users, their jobs and today's flows, review what already exists and agree the scope, so design starts from evidence rather than taste.

  2. 02

    Build

    Flows and wireframes first, then UI and components, tested as clickable prototypes with real users before your engineers commit to building anything.

  3. 03

    Ship

    Specs, states and components go to engineering with design support during the build, and we review the built screens against the designs before release.

05ENGAGEMENT OPTIONS

Ways to work with us on design

  • Design reviews

    Bring your designs or your live product to working sessions.

    You get

    • Feedback on flows, screens and copy
    • A prioritized list of design changes
    • Answers to your designer's or engineers' questions

    Typical shape

    One or more sessions, booked when you need them

    Quoted after a short call

    Ask for a quote

  • Design project

    We design a defined scope end to end, from flows to handoff.

    You get

    • User flows and wireframes
    • UI design and reusable components
    • A clickable prototype tested with users
    • Specs ready for your engineers

    Typical shape

    A defined scope, led by Roger

    Quoted after a short call

    Ask for a quote

  • Embedded design

    Design capacity inside your product team, sprint by sprint.

    You get

    • Design work planned into your sprints
    • A design system that grows with the product
    • Reviews of built screens before release

    Typical shape

    Monthly, part-time or full-time

    Quoted after a short call

    Ask for a quote

06WHO IT IS FOR

Who our SaaS design work is for

Roger Grekos

07LED BY

Who leads your design work

Roger Grekos leads product work at BrainStormers. He shapes the problem and the flows with you, and checks every design against your users' goals before it reaches engineering.

Every screen gets one primary action. If we cannot say what it is, the screen is not ready to design.

Roger GrekosCO-FOUNDER · PRODUCT
Roger Grekos
Co-Founder, Product, Project & Scale
Background
Roger co-founded BrainStormers and has led product for 12+ years across SaaS, fintech, media, gaming and services. At Find.co he led product strategy for a media portfolio whose revenue grew from $22M to $55M in three years; at PayEm he took a procurement platform to $1M ARR in 12 months.
Roger's profileLinkedIn

08

Related services

  • UX audit

    A ranked review of your onboarding, key flows, accessibility and conversion, with a suggested fix for every issue.

    Roger

  • Usability testing

    Moderated and remote sessions with real users, turned into a ranked list of fixes.

    Roger

  • MVP development

    Scope the smallest product that proves demand, then build it with senior engineers on code you can grow.

    Thanos

  • Product and engineering

    Building the product with us as well? Our product development consulting puts design, product and engineering on one plan.

    Roger and Thanos

09INSIGHTS

Product guides from Roger

  • SCALE STRATEGYGUIDE

    How to build a product roadmap

    How to build a product roadmap a startup can follow: formats, a seven-step process, RICE scoring, a copyable template, examples for three stages and habits that keep it honest.

    Roger Grekos

  • SCALE STRATEGYGUIDE

    How to find product-market fit

    How to find product-market fit: the signals that show it, how to run the product-market fit survey, the questions to ask, and what to change when the answer is no.

    Roger Grekos

  • PRODUCT VALIDATIONGUIDE

    How to validate a business idea with real evidence before you build

    How to validate a business idea before you write code: interviews, bottom-up sizing, smoke tests and pre-sales, with go, pivot or stop signals and real examples.

    Roger Grekos

10FAQ

Questions about SaaS design services

What do SaaS design services include?

SaaS design services cover user flows and information architecture, wireframes and UI design. They also include a design system of reusable components, clickable prototypes tested with users, and specs for engineers. Ours cover onboarding, dashboards, settings and billing screens, and we support the build and review the built screens before release.

Do you design SaaS onboarding?

Yes. We design the path from signup to the first moment the product proves its value. That includes account setup, invitations, empty states, sample data, guided first tasks and the prompts that bring users back. We test the onboarding flow as a prototype with new users before it is built, then refine it with real usage data after launch.

Do you build a design system or only screens?

Both, and the system matters more over time. Screens solve today's feature; a design system of tokens, components and their states lets your team build the next feature consistently. For an early product we start small, with the components you actually use. The system grows with the product, so nobody designs a library that is not needed yet.

How do your designers and engineers work together?

From the same plan. An engineer reviews the flows before high-fidelity design starts, so we do not design what cannot be built in time. Designs reach engineering with states, edge cases and components documented. The designer stays involved during the build to answer questions and review screens before release, whether your engineers build it or ours do.

Can you redesign an existing SaaS product without confusing current users?

Yes, by changing it in steps rather than all at once. We start from how current users work today and keep the paths they rely on. Changes go to a small group or behind a feature flag first. Each step comes with in-product notes and guidance for support, and we check usage and tickets before the next step.

Do you design dashboards for B2B SaaS?

Yes. A B2B dashboard works when it answers the questions a user brings to the screen. So we start there: what decision does this person make, and what do they need to see to make it? Then we design the hierarchy, filters, tables, empty and loading states and drill-downs, and test them with realistic data.

Led by Roger GrekosCo-Founder, product

Talk to Roger about UX/UI design

20-minute intro call

Book a 20-minute call (opens Google Calendar in a new tab)Tell us about your project (opens our project form in a new tab)

NEXT STEP

Start with the flows

Tell us what you are building or rethinking. You leave the first call knowing where design should start.

You’ll talk to Roger

Book a 20-minute call (opens Google Calendar in a new tab)Tell us about your project (opens our project form in a new tab)