— Software & Tech ConsultancyOpen · Q2 2026

Weengineerdigitalproductsthatshipandscalewithyou.

We're a senior product studio for ambitious teams in the US, UK, and DACH — designing, building, and scaling polished web apps, AI-powered platforms, and the boring infrastructure underneath.

Services

A full-stack product team, on demand.

Nine capabilities. One accountable partner. We own the entire product lifecycle — from first sketch to ongoing growth.

Custom Web Development

High-performance websites and web apps engineered in Next.js, React, and modern frameworks — built to last.

Next.jsReactTypeScript
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Mobile App Development

Native-grade iOS & Android apps with Flutter and React Native, crafted for scale, stability, and delight.

FlutterReact NativeSwift / Kotlin
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UI / UX Design

Research-led, brand-forward product design that converts users and feels unmistakably premium.

FigmaDesign systemsPrototyping
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SaaS Product Development

Zero to revenue — multi-tenant architecture, billing, auth, dashboards, analytics, done properly.

Multi-tenantStripeAnalytics
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AI Solutions

LLM agents, retrieval pipelines, and ML integrations that unlock real business leverage, not demos.

LLMsRAGFine-tuning
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Automation Tools

Internal tools and workflow automation that save teams hundreds of hours every month.

TemporalZapierRetool
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CRM & ERP Systems

Custom business platforms that replace spreadsheets and legacy software for good.

SalesforceOdooCustom
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API Integrations

Payments, identity, messaging, analytics — integrated with rock-solid reliability and clean abstractions.

RESTGraphQLWebhooks
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Maintenance & Support

24/7 observability, SLAs, and partnership engineering so your product never sleeps.

24/7 SLAMonitoringOn-call
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Not sure which one fits your project?
30-minute scoping call — we'll tell you.
Book a call →
Why LOCALHOST LABS

A partner that codes like it's their own product.

We don't feel like an outsourced vendor. We feel like the engineering team you wish you already had in-house.

120+
Products shipped
SaaS · AI · fintech
14
Countries served
Global delivery
6 yrs
Avg team tenure
Senior-only
What you get
Fixed-scope or retainer
NDA on request
Weekly demos
24h response SLA
Clean handover
Ongoing support

Speed without shortcuts

Weeks to first working version — not months. We sprint hard, but never ship careless code.

  • Working demo in week 2
  • Trunk-based, feature-flag flow
  • Continuous delivery from day 1

Senior engineering, end-to-end

Every project is led by seniors who own architecture, quality, and delivery. No handoffs, no juniors in the driver seat.

  • 6+ years avg. experience
  • One accountable tech lead
  • Code review on every PR

Communication that feels in-house

Daily async updates, shared Slack, transparent Linear boards. You always know exactly where the work is.

  • Shared Slack workspace
  • Public Linear board
  • Weekly demo call

Built to scale from day one

We write systems that survive your next 10×. Clean architecture, tests, CI/CD, observability — baked in.

  • 80%+ test coverage target
  • Observability from commit 1
  • Horizontal-scale architecture
Process

A rigorous, transparent path from idea to production.

Every engagement follows the same battle-tested six-stage playbook, tuned to the complexity of your product.

Discovery

Deep dive into your business, users, and goals. We pressure-test assumptions and agree on success criteria.

Problem brief
Success metrics
Risk register
Duration1 – 2 weeks

Planning

Scope, architecture, timelines, risk. A single source-of-truth plan both sides sign off on.

Scope doc
Architecture map
Milestones
Duration1 week

Design

Wireframes → high-fidelity UI → interactive prototype. Clickable before a single line of code.

Wireframes
UI system
Clickable prototype
Duration2 – 4 weeks

Development

Weekly demos, trunk-based flow, feature flags. Working software shipped continuously.

Weekly demos
Feature flags
CI/CD pipeline
Duration4 – 16 weeks

Testing

Unit, integration, end-to-end, plus manual QA. We break it before your users ever do.

Test coverage
E2E suite
Perf & a11y audit
DurationOngoing

Launch

Smooth deploys, observability, and post-launch iteration for compounding improvements.

Staged rollout
Dashboards
Post-launch sprint
Duration1 week + support
Typical delivery: 8 – 20 weeks end-to-end.
Fixed scope or retained partnership — your call.
Plan your project →
Selected work

Products we built. Outcomes we're proud of.

A curated look at recent engagements across AI, fashion tech, social, cybersecurity, and growth platforms.

Request case studies
Style Sense preview
AI · Fashion Tech

Style Sense

AI-powered wardrobe assistant

Scans your closet through photos, understands every piece, and generates daily outfit suggestions tuned to the weather, the occasion, and your personal style history.

Next.jsReact NativeVision LLMSupabaseStripe
8× faster outfit decisions · 40k+ garments cataloguedCase study →
Meal Mates preview
Social · Food

Meal Mates

Share meals. Match. Chat instantly.

A social food app where home cooks and neighbours share extra meals. Smart matching by diet, distance, and taste, with real-time chat to coordinate pickup and split costs.

Next.jsNodePostgresSocket.IOGoogle Maps
30k+ meals exchanged · 4.8★ community ratingCase study →
EmberXAI preview
AI · Cybersecurity

EmberXAI

Explainable malware detection

Next-gen threat detection that doesn't just flag malware — it explains why. Transparent, human-readable reasoning for every alert so security teams can trust and audit the AI.

PythonPyTorchFastAPIClickHouseKubernetes
99.2% detection · full-audit explainabilityCase study →
LeadFlow AI preview
AI · Sales Growth

LeadFlow AI

Autonomous lead gen & outreach

Finds ideal-fit prospects across LinkedIn, directories, and the open web, enriches them with fresh data, and drafts personalised first messages plus follow-up sequences at scale.

Next.jsGoPostgresOpenAITemporal
12× reply rate · 3.2k qualified leads / moCase study →

Under NDA on another 20+ builds.

Most of what we ship doesn't go on a public portfolio. We're happy to walk you through relevant case studies, on a call, under NDA.

Ask to see them
Stack

Modern tools. Battle-tested choices.

We pick technologies for durability, hire-ability, and fit — not trends. Here's what typically ships with us.

Frontend

Crafted UIs that feel fast, accessible, and premium.

  • React
  • Next.js
  • TypeScript
  • Tailwind
  • Framer Motion
  • Three.js
6 tools
Backend

Typed, tested, observable services that scale.

  • Node.js
  • NestJS
  • Python
  • Django
  • FastAPI
  • Go
6 tools
Data & Infra

Storage, pipelines, and platforms that don't page you at 3am.

  • PostgreSQL
  • Redis
  • ClickHouse
  • Kafka
  • AWS
  • Docker
6 tools
Mobile & AI

Native-grade apps and production-ready intelligence.

  • Flutter
  • React Native
  • OpenAI
  • LangGraph
  • Pinecone
  • Vector DBs
6 tools
Every choice has a reason. Ask us why →
120+
Products delivered
From MVP to enterprise scale.
98%
Client satisfaction
Based on post-launch NPS.
7 yrs
Of engineering leadership
Average senior experience.
24/7
Support & observability
SLA-backed partnership.
FAQ

Common questions, honest answers.

Everything teams ask before signing — covered upfront.

We're a senior software & tech consultancy. We design, build, and scale custom web apps, mobile apps, SaaS platforms, AI products, automation tools, and internal systems for ambitious teams — from MVPs through production-grade platforms.

Still have questions? Send us a project brief →
Let's talk

Ready to build something
worth remembering?

30-minute intro call. Clear plan and pricing within a week. Let's see if we're the right fit.

Contact

Tell us what you're building.

Whether you have a full spec or a rough idea on a napkin — start the conversation. We'll reply within one business day.

24h response
Every weekday.
NDA on request
Standard practice.
Project brief
Takes about 60 seconds.

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