Top 7 fintech design system agencies

Fintech is core to what Merge does, not a sector it dabbles in. It takes financial products from MVP through scale with design and development in the same team, so the system arrives as working, workflow-aware code rather than files an engineer still has to interpret.

Services

Design systems, product and UX design, UI, web and product development.

Notable work

SaaS and fintech product design and development, from early MVPs to mature platforms.

Ideal client

Fintech teams that want the system built into the product engineering, not handed over as a library. Less suited to design-only scopes.

Key facts

Clay has designed for some of the most scrutinized products in fintech and crypto, where interface clarity is a trust signal, not decoration. Its systems work sits inside product and brand engagements, which suits a financial brand that needs its identity and its interface to read as one coherent, credible whole.

Services

Design systems, product and SaaS UX/UI, product strategy, web design and build, brand identity.

Notable work

Product and interface work for Coinbase and Stripe, among others including Google, Amazon, and Slack.

Ideal client

Funded fintech and crypto companies that want product, system, and brand credibility from one team. A premium option, not a budget one.

Key facts

Cieden works where dense data, multiple user roles, and compliance intersect, which describes most serious fintech products. It embeds senior designers with business analysts to keep dashboards, lending tools, and compliance interfaces consistent as they grow complex.

Services

Design systems, B2B and enterprise product design, AI and ML interface design, UX strategy and audits.

Notable work

Product and system work across 200-plus projects spanning fintech, compliance tooling, and data platforms, including clients Apollo and Blizzard.

Ideal client

Fintech teams with dashboards, lending flows, or compliance screens to standardize. Less relevant for a simple consumer wallet.

Key facts

Fuselab builds modular systems for regulated and data-dense products, with accessibility and compliance built into the components rather than bolted on. For financial software where Section 508 and WCAG are contractual and data density is the whole challenge, that's the specialism.

Services

Design systems, dashboard and data-viz design, design tokens, accessibility and compliance (Section 508, WCAG).

Notable work

Data-intensive products for clients including Fiserv, plus federal and enterprise work; holds a GSA contract.

Ideal client

Fintech and financial-services teams building regulated, multi-role data platforms. Less of a fit for brand-led consumer work.

Key facts

A sizable European firm with a long fintech track record, Netguru pairs product design with substantial engineering, which suits financial systems that have to be built and maintained in production at scale. Design and build under one roof reduces the handoff risk that compliance work punishes.

Services

Design systems, product design, UX/UI, web and mobile development, consulting.

Notable work

Long-running product and system work across fintech, banking, and SaaS clients.

Ideal client

Fintech companies that need a system designed and engineered by the same team at real scale. Larger-engagement pricing.

Key facts

Rangle treats the system as a governed product with contribution workflows and multi-brand tokens, which matters when a financial institution has several product teams that all have to stay consistent and audit-ready. Its enterprise clients include names in regulated sectors.

Services

Design systems, DesignOps, component architecture, multi-brand tokens, front-end engineering.

Notable work

Enterprise systems for clients including Sanofi and Staples, plus regulated-sector work.

Ideal client

Larger fintechs and financial institutions with multiple teams that need governance and adoption, not just components. Overbuilt for an early-stage startup.

Key facts

STRV designs and builds web and mobile products for well-funded companies, keeping design and engineering in one house and leaning premium. Its fintech-adjacent product work and clean, scalable code suit financial products where reliability is non-negotiable.

Services

Design systems, product and UI/UX design, mobile and web development, AI development.

Notable work

Product work for Tinder, Porsche, The Athletic, and Barry's, among other well-funded brands.

Ideal client

Funded fintech teams that want premium design plus serious engineering from one partner. Not the budget pick.

Key facts