MentionFox
Home › funding signals › Customily
Accelerator · announced

Customily (YC S21) — Making it easy to sell personalized products online

Customily is a design tool that makes it easy for e-commerce stores to sell personalized products. Online stores embed our tool in their site to let their customers design custom phone cases, t-shirts, mugs, and more.

Customily is a Y Combinator company in the Summer 2021 batch. Its directory entry describes it as: Making it easy to sell personalized products online. The founders listed are Martina Möring (Founder), Alejandro Lozdziejski (Founder) (Y Combinator directory entry, August 2, 2021).

6 more companies from YC Summer 2021 ↓

Run the free check on Customily →

Sell to companies like Customily? Enter your website and see 10 with a filed reason to buy from you this month. Free.

Opens in a new tab. No signup.

Customily

New accelerator entry · 2021-08-02 · the record

Summer 2021
batch
30
people
Early
stage
United States of America
region
Open the record →

What the record says

BatchSummer 2021
Announced2021-08-02
StageEarly
StatusActive
Team size30
IndustryB2B
Sub-industryB2B -> Engineering, Product and Design
SectorsSaaS, B2B, E-commerce
RegionsUnited States of America, America / Canada, Remote, Fully Remote
BasedSt. Louis, MO, USA; Remote
HiringNo
Sitehttp://www.customily.com/
Founded2018

Pitching, partnering or investing alongside them? See who really runs and owns Customily.

Free to see. No signup.

Keep reading

More on Customily and the records around it.

Also in YC Summer 2021

Same batch, B2B first.

What do you want to do with Customily?

Get the full cited report on Customily

Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC

A Full Report on Customily: verified, sourced, every claim cited, ready in a few minutes. See pricing.

See a sample report

In their words

Customily is a design tool that makes it easy for e-commerce stores to sell personalized products. Online stores embed our tool in their site to let their customers design custom phone cases, t-shirts, mugs, and more.

Want the whole picture on Customily?

Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC

A Full Report on Customily: verified, sourced, every claim cited, ready in a few minutes. See pricing.

What the Full Report on Customily covers

  1. The Short Answer

  2. Which Company This Is

  3. What They Do, And How The Money Works

  4. Who Runs It, And How To Reach Them

  5. The Money: Funding, Valuation, Runway

  6. Who Pays Them, And Who They Are Up Against

  7. Warning Bells

  8. Sources

    1 cited source found

Plus the sections for what you are deciding, which you pick after ordering.

See a sample report

First screen of a real sample Full Report on EchoStar: the verdict, 17 sections, 63 cited sources, built 2026-10-21A real finished report, first screen. Opens in a new tab.

The full profile

Checking your access…

Is this you?

If you're behind Customily: acceptance into a YC batch is one of the few weeks a young company gets looked up by people who matter — investors, other founders, press. FoxPlug turns the commits, deploys, and releases you're already making into that story automatically, so anyone who looks finds something current. GetFoxChat puts a guide on your own site so the people YC's own page just sent you don't read one line and leave.

Sourced from the company's Y Combinator directory entry.

RSS

Tools for this story

Each opens in a new tab, filled in for Customily. With no account yet, you sign up free and land on the result.

On these startup lists

E-commerce and retail startups Design tools startups

Share this page

Is this your company?

Share the news. Sharing needs no account.

Customily: Accepted into Y Combinator Summer 2021
Share on LinkedIn Share on X Download image

Cite this page

Permanent URL: https://mentionfox.com/funding/yc-customily
Last updated 2026-10-29
Primary record: Y Combinator directory entry
Customily (YC S21) — Making it easy to sell personalized products online. MentionFox, 2026-10-29. https://mentionfox.com/funding/yc-customily