FLEXIBLE
Block of hours
The lowest-risk way to start. Buy a block, use it against anything, no expiry pressure.
- Use across any service
- On-demand support
- Tight budget control
- Ideal first engagement
For CRO agencies, growth teams, B2B & DTC brands
User Experience Design Services
UX and UI for A/B test variations, landing pages, and storefronts. Every design comes with a rationale you can turn into a hypothesis, and files a developer can build from without a follow-up call.
- 45,000+
- Experiments supported
- 200+
- Agencies and brands served
- End-to-End
- Development, QA, tracking, and delivery
- White-Label
- Ready to work under your agency’s brand
Trusted by 200+ Agencies And Global Brands
OUR SERVICES
Designing Digital Experiences That Drive Results
10+ Years of Experience. One Goal: Better Results.
Our Design Services Include
What we hear
What we do
Experimentation
A/B test variations from an existing hypothesis, concept variations when you have a problem but not a direction, multi-variant sets for larger tests, and personalization and audience-specific layouts.
What we hear
What we do
Pages and templates
Landing pages and campaign templates, homepage, category, and product page redesigns, pricing pages and plan comparison layouts, and checkout and cart flows.
What we hear
What we do
Systems and assets
Design systems and component libraries, Figma component sets with variants and states, email and lifecycle templates, and ad creative and campaign assets.
What we hear
What we do
UX Mockups
User flow mapping and journey design, wireframing and information architecture, mobile-first responsive design, and accessibility review against WCAG criteria.
HOW IT WORKS
A Process for Every Kind of Website
-
01
Send the scope
A list of requirements or hypotheses for the mockups required for experiments. We will give you the required timeline.
-
02
Design & optimize
Desktop, tablet, and mobile are designed together. Optimized as per feedback until the design is approved for delivery.
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03
QA
We validate that the design matches the brief and is also functional on the target page, so that if there are any loopholes, we can flag them beforehand.
-
04
Verify & Deliver
Dev ready designs delivered on time, with revisions available even after delivery.
Ready to Discuss More About Your Website?
Book a 20-Minute Call
Buy Capacity The Way It Suits Your Program
Retainer or a Monthly block of hours, & Flexible Models to choose from. Fixed-scope pricing is also available for well defined projects.
MOST POPULAR
Retainer partnership
For programs with a steady flow of tests, ecommerce teams and CRO agencies running continuous roadmaps.
- Predictable monthly cost
- Named dedicated resources
- Priority queue
- Quarterly roadmap review
ONE-OFF
Project based
A defined scope with a defined timeline – a migration, a landing page suite, an analytics rebuild.
- Fixed scope and timeline
- Transparent pricing
- Focused specialist team
- Handover documentation
Hear It From The Teams We Work With
I can’t imagine any other companies out there in a similar situation where we are that couldn’t benefit from the services that Brillmark offers.
Gayla WorrellCRO at Snap Finance
Finding competent professionals to bring conversion research ideas to life and deliver results for clients without breaking their websites was challenging – until I found Brillmark. Abdullah and his team are a group of technical A-players with whom anyone serious about CRO and experimentation should work. I’ve collaborated with them on multiple projects, and they consistently prove they’re the real deal
Amara AbaraFounder at Conversion Central
What Our Customers Say About Us…
Conversion Guides
I’ve worked with BrillMark’s developers since 2014. The abilities around high-velocity testing, quality on complex tests, and overall technical support for CRO are impressive. They’ve been my go-to team across dozens of clients and have become an integral part of how we deliver ROI
Jeremy EppersonFounder and CEO at Conversion Guides
1 / 6
Results That Speak Beyond the Project
Toplids
128% increase in conversions
A Shopify 2.0 migration, redesign, and CRO program transformed the shopping experience and helped increase conversions by 128% in three months.
Read the Toplids case studyDealpath
2,880+ development hours delivered
A long-term WordPress development partnership that scaled and grew further for more than 3+ years.
Read the Dealpath case studyRelias Media
6,000+ hours delivered
A dedicated development partnership spanning 7+ years and more than 540 completed tasks and initiatives.
Read the Relias Media case studyWild Brands
2,500+ development hours delivered
A long-term Shopify development partnership for 4+ years. 300+ Tasks Delivered Wild Lama and Wild Foods, across multiple regional storefronts (including Mexico and Chile)
Read the Wild Brands case study
Let’s Scope Your
Requirement.
Send us one hypothesis. We’ll come back with an estimate, an approach, and the QA plan —
usually within one business day.
- A 20-minute call with an engineer, not a sales rep
- A fixed estimate and technical approach in writing
- A named QA plan before any code is written
- Start with a block of hours — no long-term commitment
FAQ
UX Design & Mockup FAQs
How fast can you design an A/B test variation?
Standard test variations are delivered in two to three days from an approved brief. Simple copy and layout changes are often same day. Full page redesigns and multi-variant sets are scoped individually, typically five to ten days depending on the number of templates and breakpoints.
Do I need a hypothesis before you start?
No. If you have one, we design against it. If you only have a problem, such as a page underperforming or a drop-off in the funnel, we research and propose directions with the reasoning attached. You approve the direction before full design begins.
What files do you deliver?
Figma, with organized layers, named components, all interaction states, and desktop, tablet, and mobile breakpoints. Specs and assets are included. Any developer should be able to build from the file without a follow-up call.
Can you design within our existing brand guidelines?
Yes. Send your brand book, design system, or a live page and we work inside it. For test variations this matters more than usual, since a variation that looks off-brand introduces a confound that has nothing to do with your hypothesis.
Do you also build what you design?
Yes, and most clients choose that. Design, development, and QA in one team removes the handoff gap where most delays and misinterpretations happen. We are also happy to hand off to your developers if you prefer.
Do you do research or only visual design?
Both, at the level the engagement calls for. Standard design work includes reviewing the current page, competitors, and prior test history in your account. Deeper research, such as user testing, session recording analysis, or heuristic audits, is scoped separately.
Will my clients know you exist?
Not on white-label engagements. We design under your brand, communicate only with your team, and never appear in client-facing documents or calls. Several agencies have worked with us for years without a client ever knowing.