When was Celtra founded?

Celtra was founded in 2006 and raised its 1st funding round 3 years after it was founded.

Where is Celtra located?

Celtra is headquartered in Mansfield, United States. It is registered at Boston, Massachusetts.

How many employees does Celtra have?

As of Jun 30, 2026, the latest employee count at Celtra is 213.

Is Celtra a funded company?

Celtra is a funded company, having raised a total of $25.2M across 4 funding rounds to date. The company's 1st funding round was a $***** Series A round, raised on May 26, 2009.

When was the latest funding round of Celtra?

Celtra's latest funding was a $***** Series C round on Jun 21, 2017, with participation from 2 investors.

Where does Celtra rank among its competitors?

Celtra ranks 12th amongst 436 active competitors, of which 43 are funded. It stands 7th in terms of total funding among its competitors. The most recent competitor to raise funding was Cuttable, which secured $3.99M in Mar, 2026.

Who are the top competitors of Celtra?

Celtra's top competitors include Goldcast, Bazaarvoice and Air Ops. Among them, Cuttable secured the most recent funding round in March, 2026.

Celtra - 2026 Company Profile, Team, Funding & Competitors

Q: Is Celtra an acquired company?

Celtra got acquired by STG on Nov 10, 2021.

Celtra is an acquired company based in Mansfield (United States), founded in 2006 by Mihael Mikek and Matevz Klanjsek. It operates as a Creative content automation solutions for digital advertising. Celtra has raised $25.2M in funding from Unilever Ventures and SoftBank Capital. The company has 436 active competitors, including 43 funded and 8 that have exited. Its top competitors include companies like Goldcast, Bazaarvoice and Air Ops.

Company Details

Creative content automation solutions for digital advertising. It provides a web-based self-service platform for ad creation, ad trafficking, tracking, and optimization of rich media mobile display ads. It offers solutions for the production, trafficking, and analytics of premium ad experiences, helping brands and media companies maximize the value of advertising campaigns. It allows users to create engaging ad content across various channels and devices.

Website: celtra.com
Social
Registered Address: Boston, Massachusetts

Key Metrics

Founded Year

2006

Location

Mansfield, United States

Stage

Acquired

Total Funding

$25.2M in 4 rounds

Latest Funding Round

Series C, Jun 21, 2017, $*****

Investors

Unilever Ventures & 6 more

Ranked

12^th among 436 active competitors

Employee Count

213 as on Jun 30, 2026

Similar Companies

Goldcast & 297 more

Exit Details

Acquired by STG (Nov 10, 2021)

View Celtra's full profile

Celtra is associated with 2 legal entities given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
CELTRA TECHNOLOGIES, INC. CIN: 274395872 , United States, Active	Dec 31, 1999	-	47 (As on Dec 31, 2024)	-
Celtra Inc. CIN: 20211053216 , United States, Active	Jan 20, 2021	-	-	-

Celtra got acquired by STG on Nov 10, 2021 at an acquisition amount of $*****.

Click here to take a look at Celtra's acquisition in detail

Celtra has raised a total funding of $25.2M over 4 rounds. Its first funding round was on May 26, 2009. Its latest funding round was a Series C round on Jun 21, 2017 for $*****. 2 investors participated in its latest round. Celtra has 7 institutional investors.

Here is the list of recent funding rounds of Celtra:

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Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Jun 21, 2017	4038995	Series C	1054555	2842293	6332485	8479616
Jan 17, 2013	5241342	Series B	5445016	3169191	9210389	GrandBanks Capital & 1 more
Jan 25, 2011	7910927	Series A	4898458	6240780	9055343	GrandBanks Capital & 1 more

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View details of Celtra's funding rounds and investors

The founders of Celtra are Mihael Mikek and Matevz Klanjsek. Mihael Mikek is the CEO of Celtra.

Here are the details of Celtra's key team members:

Mihael Mikek: Co-Founder & CEO of Celtra.
Matevz Klanjsek: Co-founder & Chief Product Officer of Celtra.

View details of Celtra's Founder profiles and Board Members

Celtra's employee count trend

Celtra has 213 employees as of Jun 26. Here is Celtra's employee count trend over the years:

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Top competitors of Celtra include Goldcast, Bazaarvoice and Air Ops. Here is the list of Top 10 competitors of Celtra, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Goldcast 2020, Cambridge (United States), Acquired	Cloud based platform offering virtual event management solutions	$42M	WestBridge Capital, Underscore VC & 16 others	71/100
2nd	Bazaarvoice 2005, Austin (United States), Acquired	Provider of platform for user-generated content, ratings, reviews, and syndication	$20.4M	Battery Ventures, First Round Capital & 16 others	71/100
3rd	Air Ops 2021, San Francisco (United States), Series B	Provider of a platform for content optimization and AI search visibility	$62.5M	Wing Venture Capital, Greylock Partners & 12 others	69/100
4th	Runway 2018, New York City (United States), Series E	Developer of artificial intelligence tools for image and video generation	$860M	Amplify Partners, General Atlantic & 38 others	69/100
5th	Regie AI 2020, San Francisco (United States), Series B	AI based platform offering software for content optimization	$65.6M	Foundation Capital, Scale Venture Partners ... & 5 others	63/100
6th	Skyword 2010, Boston (United States), Series C	Content marketing software for businesses	$59.4M	Cox Media Group, Progress Ventures & 7 others	63/100
7th	Zocket 2021, Chennai (India), Seed	Provider of AI agents for advertising creative, targeting, and optimization	$3.47M	Kalaari Capital, Kettleborough VC & 4 others	62/100
8th	Adwerx 2013, Durham (United States), Series B	Ad creative automation and customer relationship advertising platform	$27.7M	Savano Capital Partners, Grotech Ventures ... & 14 others	57/100
9th	Predis 2020, Ahmednagar (India), Seed	Cloud and AI based platform offering content performance analytics	$155K	Utpl Corporate Trustees, Anicut Capital & 8 others	55/100
10th	Cuttable 2021, South Yarra (Australia), Series A	Provider of an AI platform for automated advertising creative generation	$10.6M	Square Peg Ventures, Glitch Capital & 4 others	54/100
12th	Celtra 2006, Mansfield (United States), Acquired	Creative content automation solutions for digital advertising	$25.2M	Fairhaven Capital, Lerer Hippeau & 5 others	52/100