# fivetwentyone

> fivetwentyone (legal entity PT Optimasi Mesin Pencari) is a product studio based in Jakarta, Indonesia that designs, builds and launches web and mobile applications. We build AI assisted for faster delivery, and every product is engineered to be SEO, GEO and AEO ready and secure by default. Founded 2026, serving founders and teams across Southeast Asia.

## What we do

- Websites and web apps: Next.js and TypeScript front ends, typed APIs, dashboards, shipped to production AI assisted.
- Mobile apps: native iOS and Android, or one cross platform codebase, delivered to the App Store and Play Store.
- AI features: retrieval augmented generation, agents and LLM workflows wired into the product.
- SEO, GEO and AEO ready: clean semantic HTML, structured data, fast Core Web Vitals, answer ready content, secure by default.

## Key pages

- [Home](https://fivetwenty.one/): overview of the studio.
- [Services](https://fivetwenty.one/services): web, mobile, AI and search ready builds.
- [Work](https://fivetwenty.one/work): case studies of products we have shipped.
- [About](https://fivetwenty.one/about): who we are and how we work.
- [Blog](https://fivetwenty.one/blog): notes on building and shipping software.
- [Contact](https://fivetwenty.one/contact): start a project.
- [Privacy Policy](https://fivetwenty.one/privacy): what we collect through the site, why, who processes it and how to have it deleted.
- [Terms of Service](https://fivetwenty.one/terms): terms covering use of the site, what may be quoted from it, and what governs client projects.

## Selected work

- [Search Agency](https://search.agency): marketing site for an AI search agency.
- [AI Search Agency](https://aisearch.id): Bahasa Indonesia site for an AI search agency.
- [RPSG](https://rpsg.co.id): personal brand site for an AI search and SEO consultant.
- [Agent View](https://search.agency/agent-view): a free Chrome extension that scores how much of a page reaches AI crawlers.
- [Answer Ready](https://search.agency/answer-ready): a free Chrome extension that scores every section of a page for retrieval.
- [Putradi](https://putradi.com): Bahasa Indonesia personal brand site for an AI search consultant.
- [searchbro](https://searchbro.id): a living index of Indonesia's SEO specialists.
- [codebro](https://codebro.id): a curated directory and hiring marketplace for Indonesia's software builders.
- [Fighter Bootcamp](https://fighterbootcamp.com): a free course platform.
- [Maung](https://maung.co): an AI career tool grounded in job market data.
- [StoryMint](https://storymint.id): an AI content marketing and citation audit platform.
- [Menang Pemilu](https://menangpemilu.com): a data driven political campaign consultancy site.

## For machines

- [Machine view](https://fivetwenty.one/machine): a plain-text mirror of the whole site, with identity, capabilities, products, process and FAQ in one document.
- [RSS feed](https://fivetwenty.one/blog/rss.xml): every published blog post, with titles, summaries and dates.
- [Sitemap](https://fivetwenty.one/sitemap.xml): every indexable URL.

## Contact

- Email: hello@fivetwenty.one
- Phone: +62 818 301 984
- Office: Infiniti Office, Permata Regency D/37, Jl. H. Kelik, Srengseng, Kembangan, Jakarta Barat 11630, Indonesia