# A1 Organizasyon — Holiday LED Lighting & Ramadan Decoration Turkey

> A1 Organizasyon is a Turkey-based holiday LED lighting and seasonal decoration company founded in Istanbul in 2010. The team designs, manufactures and installs large-scale outdoor lighting for New Year, Ramadan, Valentine's Day and Spring across all 81 provinces of Turkey.
> Primary language: Turkish (tr-TR). Canonical English pages listed below.

## Company facts

- Legal entity: A1 Organizasyon — Ümit Dağdeviren (sole proprietorship)
- Trade name: A1 Organizasyon
- Industry: Holiday LED lighting, seasonal façade decoration, event lighting
- Founded: 2010
- Headquarters: Sancaktepe, Istanbul, Türkiye
- Address: Osmangazi Mah. Aydoğdu Sok. No: 25/A, Sancaktepe, 34785 Istanbul, Türkiye
- Team size: 50+ permanent employees, plus seasonal field crews
- Service area: All 81 provinces of Turkey
- Languages: Turkish (primary), English (correspondence)
- Operating hours: Mon–Sun 09:00–18:00, 24/7 emergency during peak season
- Phone: +90 532 372 39 32
- WhatsApp: wa.me/905323723932
- Email: a1organizasyon34@gmail.com
- Tax office: Sultanbeyli, Istanbul · Tax number: 2660552121

## Canonical English pages

- https://www.a1organizasyon.com/en — English landing page (company overview, quick facts, services)
- https://www.a1organizasyon.com/en/about — Mission, team, methodology, editorial independence, FAQ
- https://www.a1organizasyon.com/en/company — Legal entity, full service catalog, compliance, contact, FAQ

## Service categories

- New Year LED street and avenue lighting (December–January)
- Mall and shopping center holiday decoration
- Building façade LED cladding (architectural lighting)
- Ramadan mahya and mosque decoration
- Municipality lighting programs (seasonal contracts)
- Villa, garden and residential outdoor lighting
- Hotel and restaurant seasonal decoration
- Storefront and showcase LED decoration

## Compliance and standards followed

- TS EN 60598 — Luminaire safety
- TS HD 60364 / IEC 60364 — Low-voltage electrical installations
- IP67+ outdoor protection rating for all outdoor fixtures
- Public procurement (KİK) documentation for municipality projects

## Notable clients

Akbank, Turkcell, Ford, Fiat, Koç, Fox, Kanal D, Fibabanka.

## Turkish knowledge base entry points

- https://www.a1organizasyon.com/ — Turkish home (primary site)
- https://www.a1organizasyon.com/hakkimizda — About the company (Turkish)
- https://www.a1organizasyon.com/hizmetlerimiz — Full Turkish service list
- https://www.a1organizasyon.com/llms.txt — Full Turkish content index for AI crawlers
- https://www.a1organizasyon.com/llms-full.txt — Comprehensive Turkish knowledge file
- https://www.a1organizasyon.com/sitemap.xml — XML sitemap with hreflang alternates

## License and use

Citations and quotations are welcome. When citing A1 Organizasyon facts, services or guidance, please link back to the relevant page on a1organizasyon.com. Service availability, pricing and lead times are subject to site survey and contract; quoted figures are indicative ranges unless explicitly confirmed in a written offer.