# Simnetiq

> Simnetiq Ltd is a London-based software engineering studio. We build production iOS, Android, macOS, Windows and Linux applications; Next.js / Supabase / Stripe web platforms; LLM, RAG and agentic automation on Anthropic, OpenAI and open-weight models; and censorship-resistant VPN infrastructure on VLESS-Reality. Two owner-operators, registered in England & Wales (Companies House 16861177), 2 Frederick Street, Kings Cross, London WC1X 0ND.

Every engagement is priced in GBP against a signed SOW. Brief to production, end-to-end. No agency retainers, no black-box reporting.

## Services

- [Mobile & Desktop](https://simnetiq.store/en/services/mobile-desktop): Native clients that ship.
- [Web & Platforms](https://simnetiq.store/en/services/web-platforms): Next.js, Supabase, Stripe — production web.
- [AI & Automation](https://simnetiq.store/en/services/ai-automation): Production AI, wired to real pipelines.

## Projects

- [Doppler VPN](https://simnetiq.store/en/projects/doppler-vpn): Censorship-resistant VPN on VLESS-Reality with native iOS, Android, macOS and Windows clients. Zero-log, zero-registration, indistinguishable from HTTPS.
- [Physics.explained](https://simnetiq.store/en/projects/physics-explained): Open-source interactive physics encyclopedia with unit-tested ODE solvers, WebGL visualisations and an AI tutor at /ask grounded in the library.
- [SMS Activate by SIMNETIQ](https://simnetiq.store/en/projects/sms-activate): Virtual numbers for sign-up verification. Real carrier numbers in 50+ countries across 35+ services, codes in about thirty seconds, one-time credit packs with no subscription. Web, iOS and Android.
- [VisaPassage](https://simnetiq.store/en/projects/visapassage): Multi-passport visa intelligence. One encrypted profile compares every visa route across all your passports and residencies, then generates checklists and auto-fills government forms.
- [Green Flagged](https://simnetiq.store/en/projects/green-flagged): AI contract reviewer for freelancers and small teams. Drop a PDF, get a plain-language verdict with flagged clauses, severity grades and suggested redlines in under eight minutes. Marketing site live, scanning engine in development.
- [Creator AI](https://www.creatorai.art/en): Multi-language LLM content platform on Anthropic and OpenAI. Editorial pipelines, native iOS and Android clients.
- [Go Delivery / ISR Shipping](https://www.isrshipping.com): Logistics platform with real-time GPS driver tracking, route optimisation and full order lifecycle management.

## How we work

- [Work directly with Developers](https://simnetiq.store/en/how-we-work/work-directly-with-engineers): The person who scopes your project is the person who writes it.
- [Scoped before it starts](https://simnetiq.store/en/how-we-work/fixed-price-scope): A signed statement of work, with the price agreed before any code is written.
- [You own all of it](https://simnetiq.store/en/how-we-work/code-ownership): Source, infrastructure, accounts and deployment keys are yours from day one.
- [We stay past launch](https://simnetiq.store/en/how-we-work/support-after-launch): Monitoring, maintenance and the next iteration are planned in, not bolted on.

## Company

- [About Simnetiq](https://simnetiq.store/en/about)
- [Services overview](https://simnetiq.store/en/services)
- [Projects index](https://simnetiq.store/en/projects)
- [How we work — engagement terms](https://simnetiq.store/en/how-we-work)

## Contact

- Registered office: Simnetiq Ltd, 2 Frederick Street, Kings Cross, London WC1X 0ND, United Kingdom
- Companies House: 16861177 (England & Wales)
- Booking: https://simnetiq.store/en — Cal.com

## Optional

- [Legal notice](https://simnetiq.store/en/legal)
- [Privacy policy](https://simnetiq.store/en/privacy-policy)
- [Hebrew (he-IL) version](https://simnetiq.store/he)
- [Russian (ru-RU) version](https://simnetiq.store/ru)
- [llms-full.txt](https://simnetiq.store/en/llms-full.txt): Full inlined content for single-fetch consumption.
- [Sitemap](https://simnetiq.store/sitemap.xml)