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Yield Studio logo - UX agency in Paris

Yield Studio

Paris, France

50-99€110-170/hrResponds in 24h

About

French web and mobile development agency with product management and UX/UI design capabilities, serving B2B and enterprise clients.

Who They Work With

French mid-market and enterprise teams externalizing product engineering to ship web, mobile and data platforms fast.

Clients:EnterpriseMid-marketScale-upsB2BB2C
Engagements:Project-basedEmbedded teamsTransformation programs

Based on 15 documented clients · verified Jul 2026

Our Take

Yield Studio is a French web and mobile development agency with 250+ projects and 15 published case studies spanning enterprises (Compass Group, Kinnarps €360M, Média Participations), mid-market firms, a public transit operator and an NGO. Most are externalized product/CTO builds, and UX is a real, supporting discipline—Design Sprints (Tkcare), persona and role dashboards (JPB Système) and RGAA-accessible design with user research (Mémo de Vie).

The site is French-only. The weaker fit is a design-led, research-first brief in English: this is a dev-first partner at €100–149/hr where UX supports engineering delivery.

Key strengths

  • 250+ projects with 15 published case studies showing a structured Discovery-to-Delivery process and measurable impact (BTP Consultants −95% maintenance cost, Compass Group 4x faster analysis)
  • CTO externalization and senior developer embedding services—strong for teams needing technical leadership alongside delivery
  • Lean methodology with quality framework for code standards—claims 98% of projects shipped in under 3 months

Good to know

  • UX/UI supports dev delivery rather than leading it—though Design Sprints, persona dashboards and RGAA-accessible research do appear (Tkcare, JPB Système, Mémo de Vie); confirm dedicated UX capacity if design is your primary need
  • All content is French-only—international buyers should confirm English-language delivery capability
  • Case study depth focuses on technical delivery and architecture, not UX outcomes—ask for UX-specific process examples if that's your priority
Gabor Kiss

Reviewed by Gabor Kiss

Founder of UX Agencies · UX Lead at SAP · Feb 11, 2026

Based on the agency's publicly available portfolio. Own this agency? Claim your profile to provide additional context or request a review update.


How we evaluate agencies

Notable Clients

Every engagement documented in a published case study

BTP Consultants3-year DSI externalization; rebuilt the BTP Force platform (React/Next, AWS serverless) for 1,150 field staff; −95% maintenance costSource ↗
Compass GroupReal-time data/AI cockpit to pilot P&L across 3,000+ establishments (ETL, DuckDB, React/Node); analysis time cut 4xSource ↗
Média ParticipationsEmbedded team delivered 5 information-system overhauls in 12 months across 65 subsidiaries (Spirou/Dupuis/Lucky Luke); 2,300 employeesSource ↗
KinnarpsDigitalized the B2B quote-to-contract order journey with e-signature and an on-prem back office; €360M revenue, 40 countriesSource ↗
Groupe Legrand AutomobileCTO-as-a-service on the eKonsilio CRM plus built meilleureauto.com, a lead-gen/valuation platform; €317M revenue, 27 sitesSource ↗
IVESTA Family OfficeReact Native app consolidating real estate, portfolios and life insurance for private clients; back office; 2 months to prod, €6B AUMSource ↗
TkcareDesign Sprint plus a UX overhaul merging 3 apps into one healthcare-staffing platform (Laravel/React Native); 87% test validation, 50k+ prosSource ↗
Chemins de Fer de Provence (CPZou!)Rebuilt the ZOU! transit app (React Native/Expo) with real-time schedules and audio guides; store rating 3.2→4.8 in one monthSource ↗
Travaux et EnvironnementField-hardened time-tracking mobile app (oversized targets, high contrast) plus a Laravel back office for 120 field workers; +15% productivitySource ↗
Chronos JobsFull-stack HR platform plus recruiter/candidate apps with ERP sync; ongoing 5 dev-days/month; +25% efficiency across 20 agenciesSource ↗
JPB SystèmeSaaS IoT supervision platform for connected industrial (aerospace-fastener) equipment; role-based dashboards for 3 personas; −60% maintenance timeSource ↗
Mémo de Vie (France Victimes)Accessible (RGAA) secure evidence-vault app for violence victims with a quick-exit safety feature; user research with victims and pros; TF1 coverageSource ↗

Services

Web DevelopmentUX/UI DesignProduct Design

Industries

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