Giestar

We DesignWhat MachinesImagine

Giestar pairs generative models with obsessive craft to ship products, interfaces, and campaigns that feel alive. 

NimbusKestrel LabsFoundryHalcyonVantage PointDriftwoodCircuit & BloomNorthwind SystemsNimbusKestrel LabsFoundryHalcyonVantage PointDriftwoodCircuit & BloomNorthwind Systems
About Us

Founded by engineers,designers & leaders

We saw the growing gap between what customers expect and what support teams can deliver. We created this AI Agent platform to bridge that gap — fast, scalable, and deeply human in experience.

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Worldwide Active Users
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Companies Served
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Platform Uptime Rate
0
Customer Conversations
Our portfolio

Selected work

01/05
DashboardLiveTotal Revenue$284.6k+38.2% vs last monthConversion Rate3.42%+0.8pp increaseActive Users12,847+12% this weekAvg. Session4m 32s+6% improvementRevenue over timeTop ProductsGenerative Storefront$92.4kAI Recommendation$68.1kRealtime Onboarding$51.3kVoice Interface$38.7kConversion Funnel12,847 visits6,231 signups2,104 trials438 conversionsVariant AVariant BControlExport
Product Design

Halcyon — Generative Storefront

+38% conversion on generated variants

Performance90 FPSFrame Rate89.6Latency12msMemory64MBDraw Calls142GPU Time4.2msFrame TimingShader ComplexityVertex Shader0.8msFragment Shader1.2msCompute0.6msPost-processing0.4msDevice Breakdown68%Desktop22%Mobile10%TabletP95 Frame Time14.2msDropped Frames0.03%Bundle Size284KBOptimize
Spatial & Realtime

Nimbus — Realtime Onboarding

90fps on-device, zero build step

Brand Analytics6 weeksSentiment ScoreReach2.4MEngagement18.4%Share of Voice34%Brand Recall+28%Touchpoint MapWebMobileSocialPrintWebMobile38%Voice of Customer"Incredibly intuitive interface""The onboarding flow is seamless""Analytics dashboard is stunning""Support response time is amazing""Great brand identity work"Net Promoter Score+72Brand Awareness+41%Social Followers+84KWebsite Traffic+124%
Brand & Motion

Foundry — Voice & Brand System

Full rebrand shipped in 6 weeks

ML Model2.1x liftAccuracy94.2%Precision91.8%Recall89.5%F1 Score0.906Session Lift2.1xModel Training ProgressFeature ImportanceUser Behavior Score0.42Session Duration0.31Product Views0.24Device Type0.18Time of Day0.09Confusion Matrix1,284TP68FP42FN4,206TNTotal samples: 5,600ROC AUC: 0.94Inference Time24msModel Size86MBTraining Epochs48
Applied ML

Driftwood — Recommendation Engine

2.1x session length

Research Sprint14 conceptsConcepts Tested14Participants186Sessions42Duration3wkTop Score92/100Concept ScoresC1C2C3C4C5C6C7C8C9C10C11C12C13Top Insights1Concept C9 scored 92/100Highest across all test groups2Mobile-first approach preferred78% of participants rated top-33Dark mode strongly requested64% mentioned unpromptedRecommendationsPursue C5 & C9Highest viability scoresA/B test by week 8Validate with 5K usersIterate on C3 design languageIncorporate dark mode feedbackConfidence Level95%Key Findings12Action Items8
Strategy & Research

Kestrel Labs — Research Sprint

14 concepts tested in 3 weeks

Stack & tools

Everything underone hood

AI & ML

Custom models, fine-tuning, RAG pipelines

GPT-4oClaudeLlamaLangChainRAG

WebGL & 3D

Three.js, shaders, realtime GPU

Three.jsWebGPUGLSLReact Three

Motion Design

Lottie, Rive, GSAP, spring physics

GSAPRiveLottieFramer Motion

Frontend

React, Next.js, Tailwind, shadcn

Next.jsReactTailwindTypeScript

Backend

Node, Python, serverless, APIs

Node.jsPythonFastAPIPostgres

Design

Figma, design systems, prototyping

FigmaStorybookshadcn/uiTokens

Cloud & DevOps

AWS, Vercel, Docker, CI/CD

AWSVercelDockerCloudflare

Sound & Audio

Spatial audio, voice synthesis

Web AudioTone.jsEleven LabsSpatial

AI & ML

Custom models, fine-tuning, RAG pipelines

GPT-4oClaudeLlamaLangChainRAG

WebGL & 3D

Three.js, shaders, realtime GPU

Three.jsWebGPUGLSLReact Three

Motion Design

Lottie, Rive, GSAP, spring physics

GSAPRiveLottieFramer Motion

Frontend

React, Next.js, Tailwind, shadcn

Next.jsReactTailwindTypeScript

AI & ML

Custom models, fine-tuning, RAG pipelines

GPT-4oClaudeLlamaLangChainRAG

WebGL & 3D

Three.js, shaders, realtime GPU

Three.jsWebGPUGLSLReact Three

Motion Design

Lottie, Rive, GSAP, spring physics

GSAPRiveLottieFramer Motion

Frontend

React, Next.js, Tailwind, shadcn

Next.jsReactTailwindTypeScript

Backend

Node, Python, serverless, APIs

Node.jsPythonFastAPIPostgres

Design

Figma, design systems, prototyping

FigmaStorybookshadcn/uiTokens

Cloud & DevOps

AWS, Vercel, Docker, CI/CD

AWSVercelDockerCloudflare

Sound & Audio

Spatial audio, voice synthesis

Web AudioTone.jsEleven LabsSpatial

Backend

Node, Python, serverless, APIs

Node.jsPythonFastAPIPostgres

Design

Figma, design systems, prototyping

FigmaStorybookshadcn/uiTokens

Cloud & DevOps

AWS, Vercel, Docker, CI/CD

AWSVercelDockerCloudflare

Sound & Audio

Spatial audio, voice synthesis

Web AudioTone.jsEleven LabsSpatial
How we work

A process builtfor momentum

01

Discover

Two-week sprint to map the problem, the users, and where a model genuinely helps.

1–2 weeks
02

Prototype

Fast, disposable prototypes in the real medium — code and models, not just Figma.

2–4 weeks
03

Build

Production build with the same craft bar as the prototype, shipped in slices.

4–10 weeks
04

Tune

Post-launch measurement and model/UI tuning against real usage data.

Ongoing
By the numbers

Small studio,outsized output

48
Projects shipped
12
Countries served
6x
Average team ROI
9
Years operating
What clients say

Trusted by teamswho ship fast

"

Giestar's prototype-in-code approach saved us a full quarter of back-and-forth.

Maya Lindqvist
VP Product, Nimbus
"

The realtime work they shipped just doesn't feel like a normal website.

Diego Farrow
Founder, Kestrel Labs
"

They think like an in-house team, not an agency billing hours.

Rhea Osei
Head of Design, Foundry
"

Model tuning post-launch is where most partners disappear. Giestar stayed.

Callum Petrov
CTO, Driftwood
"

Fastest rebrand we've ever run, and the best-tested.

Ines Moreau
CMO, Halcyon
"

Every deliverable felt considered down to the easing curves.

Sam Adeyemi
Design Lead, Vantage Point
"

Giestar's prototype-in-code approach saved us a full quarter of back-and-forth.

Maya Lindqvist
VP Product, Nimbus
"

The realtime work they shipped just doesn't feel like a normal website.

Diego Farrow
Founder, Kestrel Labs
"

They think like an in-house team, not an agency billing hours.

Rhea Osei
Head of Design, Foundry
"

Model tuning post-launch is where most partners disappear. Giestar stayed.

Callum Petrov
CTO, Driftwood
"

Fastest rebrand we've ever run, and the best-tested.

Ines Moreau
CMO, Halcyon
"

Every deliverable felt considered down to the easing curves.

Sam Adeyemi
Design Lead, Vantage Point
Testimonial

What our customersare saying

Teams across industries trust our AI Agent to improve support, scale faster, and delight users.

Amazing ROI

“We cut our support costs in half and improved response times from hours to seconds. Our customers are happier, and our agents can focus on complex issues.”

Sarah Jenkins
Sarah Jenkins
VP of Operations

Chat Automation

“It took less than a week to set up, and we've already automated 70% of our inbound inquiries. Instant responses mean instant relief for our support team.”

David Chen
David Chen
Customer Support Lead

100% Satisfaction

“Support turnaround used to take hours. Now it's seconds—with 60% less cost. The AI agent synced smoothly with our CRM and Slack. Our team's productivity has skyrocketed.”

Laura Keeper
Laura Keeper
Head of Customer Success

Seamless Integration

“The ability to plug this directly into our existing workflow without writing code was a game changer. It learns fast and handles our knowledge base perfectly.”

Michael Ross
Michael Ross
CTO

Scales Effortlessly

“As our user base grew, our support team was drowning. This AI agent stepped in and handled the volume surge effortlessly during our peak season.”

Elena Rodriguez
Elena Rodriguez
Director of Product