# Y Combinator's Telecoms Investments: 11 Startups in Its Portfolio (2026)

> The 11 Telecoms startups Y Combinator has backed, by stage: $246M raised between them. From the rounds we track; updated nightly.

Source: https://millionrounds.com/portfolio-maps/y-combinator-telecoms-portfolio (Millionrounds; every figure on the page links to its filing or article)

## Pre-seed and seed

5

- [Lemon Slice](https://millionrounds.com/company/lemon-slice)
- [Sitenna](https://millionrounds.com/company/sitenna)
- [Passendo](https://millionrounds.com/company/passendo)
- [leap.club](https://millionrounds.com/company/leap-club)
- [Etacts](https://millionrounds.com/company/etacts)

## Series B

4

- [coco](https://millionrounds.com/company/coco)
- [*G* Gigs](https://millionrounds.com/company/gigs)
- [Somos Internet](https://millionrounds.com/company/somos-internet)
- [SendHub](https://millionrounds.com/company/sendhub)

## Stage not reported

2

- [InvolveSoft](https://millionrounds.com/company/involvesoft)
- [Agile RF Systems](https://millionrounds.com/company/agile-rf-systems)

## Segment by segment

### Pre-seed and seed

5 startups · $19M raised

- [**Lemon Slice**](https://millionrounds.com/company/lemon-slice) Lemonslice provides translation and localization services for businesses to adapt content across multiple languages and markets. United States $11M
- [**Sitenna**](https://millionrounds.com/company/sitenna) Sitenna is a B2B SaaS technology company focused on Infrastructure Asset and Project Management, primarily serving the telecommuni United Kingdom $3.0M
- [**Passendo**](https://millionrounds.com/company/passendo) Passendo is a Copenhagen-based email advertising platform founded in 2016 by Andreas Jürgensen and Anders Rantzau Rasmussen. Denmark $2.6M
- [**leap.club**](https://millionrounds.com/company/leap-club) Leap Club provides fresh, organic, and healthy groceries from local farms. India $2.3M
- [**Etacts**](https://millionrounds.com/company/etacts) Etacts is a CRM tool enabling users to stay in touch with people in their address book. United States $740K

### Series B

4 startups · $224M raised

- [**coco**](https://millionrounds.com/company/coco) Coco is a connectivity company based in Mexico, dedicated to closing the digital gap by providing internet access to underserved a Mexico $80M
- [*G* **Gigs**](https://millionrounds.com/company/gigs) United States $76M
- [**Somos Internet**](https://millionrounds.com/company/somos-internet) Somos Internet is a Colombian telecommunications and technology startup founded in 2019 in Medellín. Colombia $58M
- [**SendHub**](https://millionrounds.com/company/sendhub) SendHub is the Business Phone System for Mobile. United States $10M

### Stage not reported

2 startups · $2.8M raised

- [**InvolveSoft**](https://millionrounds.com/company/involvesoft) InvolveSoft helps companies enhance their employee engagement program through workplace giving and volunteering. United States $2.5M
- [**Agile RF Systems**](https://millionrounds.com/company/agile-rf-systems) Agile RF Systems specializes in designing wireless systems for sensors and communications. United States $250K

**How this map is made.** Every startup here works in Telecoms and has raised money in a round we track that names Y Combinator as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026.

## More portfolio maps

[All portfolios](https://millionrounds.com/portfolio-maps)

[Sector portfolio **Y Combinator's AI portfolio** 1,143 startups · $44B](https://millionrounds.com/portfolio-maps/y-combinator-ai-portfolio)[Sector portfolio **Y Combinator's Fintech portfolio** 338 startups · $24B](https://millionrounds.com/portfolio-maps/y-combinator-fintech-portfolio)[Sector portfolio **Y Combinator's Big Data & Analytics portfolio** 201 startups · $3.4B](https://millionrounds.com/portfolio-maps/y-combinator-big-data-analytics-portfolio)[Sector portfolio **Y Combinator's Healthtech portfolio** 150 startups · $4.2B](https://millionrounds.com/portfolio-maps/y-combinator-healthtech-portfolio)[Sector portfolio **Y Combinator's IT Services portfolio** 148 startups · $840M](https://millionrounds.com/portfolio-maps/y-combinator-it-services-portfolio)[Sector portfolio **Y Combinator's Web3 & Crypto portfolio** 139 startups · $7.4B](https://millionrounds.com/portfolio-maps/y-combinator-web3-crypto-portfolio)

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