When was Klaus founded?

Klaus was founded in 2018 and raised its 1st funding round 1 year after it was founded.

Where is Klaus located?

Klaus is headquartered in Tallinn, Estonia.

Who is the current CEO of Klaus?

Martin Koiva of Klaus. They have also founded 1 company and are angel investors in 4 startups, including .

Which legal entities is Klaus associated with?

Klaus is associated with OÜ QUALITISTA.

How many employees does Klaus have?

As of May 31, 2026, the latest employee count at Klaus is 36.

Is Klaus a funded company?

Klaus is a funded company, having raised a total of $19.3M across 3 funding rounds to date. The company's 1st funding round was a $***** Seed round, raised on Jul 03, 2019.

When was the latest funding round of Klaus?

Klaus' latest funding was a $***** Series A round on Sep 29, 2022, with participation from 4 investors.

What is the annual revenue of Klaus?

Annual revenue of Klaus is between €1M and €10M as on Dec 31, 2022

Where does Klaus rank among its competitors?

Klaus ranks 25th amongst 1361 active competitors, of which 73 are funded. It stands 7th in terms of total funding among its competitors. The most recent competitor to raise funding was Aveni, which secured $16.1M in Jun, 2026.

Who are the top competitors of Klaus?

Klaus' top competitors include NiCE, RingOver and Chorus.ai. Among them, Aveni secured the most recent funding round in June, 2026.

Klaus - 2026 Company Profile, Team, Funding, Competitors & Financials

Klaus is an acquired company based in Tallinn (Estonia), founded in 2018 by Martin Koiva and Kair Kasper. It operates as a Conversation review tool and feedback management platform. Klaus has raised $19.3M in funding from investors like Creandum, Global Founders Capital and Acton Capital. The company has 1361 active competitors, including 73 funded and 71 that have exited. Its top competitors include companies like NiCE, RingOver and Chorus.ai.

Company Details

Conversation review tool and feedback management platform. It allows users to improve customer service by managing internal and customer feedback. It enables users to collect customer feedback, manage internal quality, and track trends, and improve agent development. It can be integrated with Intercom, HelpScout, Freshdesk, and Aircall.

Website: klausapp.com
Social
Email ID: *****@klausapp.com
Phone Number: +44 **********

Key Metrics

Founded Year

2018

Location

Tallinn, Estonia

Stage

Acquired

Total Funding

$19.3M in 3 rounds

Latest Funding Round

Series A, Sep 29, 2022, $*****

Investors

Creandum & 17 more

Ranked

25^th among 1361 active competitors

Annual Revenue

€1M - €10M as on Dec 31, 2022

Employee Count

36 as on May 31, 2026

Similar Companies

Market Force & 446 more

Exit Details

Acquired by Zendesk (Jan 08, 2024)

View Klaus' full profile

Klaus is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
OÜ QUALITISTA CIN: 14308859 , Estonia, Active		€1M - €10M (As on Dec 31, 2022)	55 (As on Sep 30, 2024)

Klaus got acquired by Zendesk on Jan 08, 2024.

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

Klaus has raised a total funding of $19.3M over 3 rounds. Its first funding round was on Jul 03, 2019. Its latest funding round was a Series A round on Sep 29, 2022 for $*****. 4 investors participated in its latest round. Klaus has 14 institutional investors and 4 angel investors.

Here is the list of recent funding rounds of Klaus:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Sep 29, 2022	9628600	Series A	3003828	4278995	1378179	2323362
Sep 22, 2020	1830238	Series A	2779604	8510215	7143968	Creandum & 1 more
Jul 03, 2019	3711445	Seed	7417495	6627262	Creandum & 1 more	1040629

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View details of Klaus's funding rounds and investors

The founders of Klaus are Martin Koiva and Kair Kasper. Martin Koiva is the CEO of Klaus.

Here are the details of Klaus' key team members:

Martin Koiva: Co-Founder & CEO of Klaus. They are also an angel investor in 4 startups.
Kair Kasper: Co-Founder of Klaus. They are also an angel investor in 2 startups.
Contact Info: 1 email address

View details of Klaus's Founder profiles and Board Members

Klaus' employee count trend

Klaus has 36 employees as of May 26. Here is Klaus's employee count trend over the years:

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Top competitors of Klaus include NiCE, RingOver and Chorus.ai. Here is the list of Top 10 competitors of Klaus, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	NiCE 1986, Hoboken (United States), Public	Developer of platforms automating customer service using artificial intelligence	-	HarbourVest Partners, Morgan Stanley & 10 others	73/100
2nd	RingOver 2005, Montrouge (France), Series B	Provider of cloud telephony software for business communication and collaboration	$33.4M	Orange Ventures, Bpifrance & 1 others	67/100
3rd	Chorus.ai 2015, San Francisco (United States), Acquired	Conversational intelligence platform for sales	$100M	Georgian, Redpoint Ventures & 4 others	65/100
4th	Calabrio 2007, Minneapolis (United States), Acquired	Workforce optimization software for contact centers	$9.29M	Golub Growth, Split Rock Partners & 5 others	64/100
5th	Clearspeed 2016, San Diego (United States), Series D	Provider of AI and voice-based risk assessment platform	$110M	Align Private Capital, Mobeus Equity Partners ... & 7 others	63/100
6th	Intradiem 1995, Alpharetta (United States), Series B	Automation solutions for contact centers, retails and back offices	$32M	MK Capital, SaaS Capital & 8 others	62/100
7th	Mcube 2006, Bengaluru (India), Funding Raised	Cloud based telephony service provider	-	Streamlined Ventures, Fuel Capital	62/100
8th	Aveni Series B	Developer of natural language processing software for financial services compliance	$35.8M	Tricapital, Puma Private Equity & 13 others	62/100
9th	Mihup 2016, Kolkata (India), Series A	Developer of voice artificial intelligence platforms for automotive and contact	$10.8M	Accel, Ideaspring Capital & 19 others	61/100
10th	CallMiner 2002, Waltham (United States), Series D	Developer of conversation intelligence and automation software for customer experience	$152M	Inflexion Partners, Sigma Partners & 11 others	60/100
25th	Klaus 2018, Tallinn (Estonia), Acquired	Conversation review tool and feedback management platform	$19.3M	Global Founders Capital, Creandum & 16 others	52/100