Union.ai

Software DevelopmentSeattle, Washington, United StatesFounded 202172 employees$48M raised

Union.ai develops orchestration software for AI and machine learning systems, built on its open-source Flyte platform. The Seattle-based company has raised $48M in Series A funding and employs 72 people.

Employees
72
Total raised
$48M
Last: Series A
Open roles
4
0% vs last year
Site visitors
28K
per month
Alumni founders

The growth story

Union.ai headcount and funding72 people today
73$10M$19M$19M72202120222023202420252026
Data by CrustdataCrustdata

Union.ai grew from 17 to 72 employees between 2021 and 2026, raising $48M along the way, most recently a Series A in February 2026.

About

Union.ai sells software that helps companies manage and scale AI and machine learning workflows. Its Flyte platform is open-source and focuses on pipeline orchestration for production-ready AI systems.

The company raised $48M in a Series A round led by Mozilla Ventures, Nava Ventures, and NEA. It employs 72 people, with engineering making up nearly a third of its workforce.

Founders and leadership

Engineering is Union.ai's largest function, with 23 employees. The company has a median tenure of 3 years, suggesting stable leadership and team retention.

The Union.ai org chart

Ketan U. (Co-Founder, CEO) leads 18 mapped leaders with 3 direct reports. Click +N to expand a team; names link to the person’s public profile.

Departments, and which ones grew

Headcount by functiongrowth vs 12 months ago
EEngineering
27+29%
MMarketing
5+25%
SSales
5+400%
FFinance
40%
BBusiness Development
40%
IInformation Technology
4+33%
AArts and Design
30%
OOperations
30%
Data by CrustdataCrustdata

Headcount by function: Engineering 27 (+29% YoY), Marketing 5 (+25% YoY), Sales 5 (+400% YoY), Finance 4 (0% YoY), Business Development 4 (0% YoY), Information Technology 4 (+33% YoY).

Talent flow

Union.ai recruits heavily from Lyft, Amazon, and Microsoft, with 7 hires from each. Alumni have moved to Google, Microsoft, and smaller tech firms like Temporal Technologies.

Where Union.ai people come from, and where they go48 current + 45 former profiles
7 people: Lyft → Union.ai7 people: Amazon → Union.ai7 people: Microsoft → Union.ai4 people: Oracle → Union.ai3 people: Google → Union.ai3 people: Neustar → Union.ai3 people: Aggregate Knowledge → Union.ai2 people: Galvanize → Union.ai2 people: Union.ai → Google2 people: Union.ai → Microsoft1 people: Union.ai → Couchbase1 people: Union.ai → Anduril Industries1 people: Union.ai → Conversion Logix1 people: Union.ai → Temporal Technologies1 people: Union.ai → Common Paper1 people: Union.ai → RitualUnion.ai72 peopleCAME FROMWENT TOLyft7 peopleAmazon7 peopleMicrosoft7 peopleOracle4 peopleGoogle3 peopleNeustar3 peopleAAggregate Knowledge3 peopleGalvanize2 peopleGoogle2 peopleMicrosoft2 peopleCouchbase1 peopleAnduril Industries1 peopleConversion Logix1 peopleTemporal Technologi…1 peopleCommon Paper1 peopleRitual1 people
Data by CrustdataCrustdata

Most common previous employers of Union.ai staff: Lyft (7), Amazon (7), Microsoft (7), Oracle (4), Google (3), Neustar (3). Former Union.ai employees most often moved to Google (2), Microsoft (2), Couchbase (1), Anduril Industries (1), Conversion Logix (1), Temporal Technologies (1).

Alumni worth knowing

Web traffic

union.ai monthly visitors-8% month over month
12,13125,35938,58728,134202420252026
Data by CrustdataCrustdata

Traffic mix: 49% direct, 11% search, 19% social, 2% paid.

What this company is made of

Headcount by skillwhat people list on their profiles
PPython (Programming Language)
27
SSQL
21
JJava
20
SSoftware Development
18
KKubernetes
18
LLeadership
17
LLinux
16
CC++
16
AAgile Methodologies
16
JJavaScript
15
Data by CrustdataCrustdata

Most common skills at Union.ai: Python (Programming Language) (27), SQL (21), Java (20), Software Development (18), Kubernetes (18), Leadership (17), Linux (16), C++ (16).

Where the team actually sits

Headcount by regionHQ: Seattle, Washington, United States
WWashington, United States
16
UUnited States
6
CCalifornia, United States
5
GGreater Seattle Area
4
NNew York, United States
2
NNew York City Metropolitan Area
2
AAtlanta Metropolitan Area
1
MMichigan, United States
1
Data by CrustdataCrustdata

Union.ai people are concentrated in Washington, United States (16), United States (6), California, United States (5), Greater Seattle Area (4).

Search footprint

Organic clicks
620
per month
Traffic worth
$0K
if bought as ads
Ranking keywords
263

Union.ai attracts about 620 organic search visits a month, traffic worth roughly $0K a month if bought through ads. It gained 67 ranking keywords and lost 53 in the last period.

What employees say

Compensation
4.60 / 5
Career opportunities
4.50 / 5
Senior management
4.00 / 5
Work-life balance
4.10 / 5

Frequently asked

How many employees does Union.ai have?

Union.ai has 72 employees as of September 2026.

How much has Union.ai raised?

Union.ai has raised $48M in total, most recently a Series A round in February 2026.

Who founded Union.ai?

Union.ai was founded in 2021 by Ketan U., Haytham Abuelfutuh.

Who is the CEO of Union.ai?

Ketan U. (Co-Founder, CEO) sits at the top of Union.ai's reporting structure, with 3 direct reports.

Where does Union.ai hire from?

The most common previous employers of current Union.ai staff are Lyft (7 people), Amazon (7 people), Microsoft (7 people).

Where do Union.ai employees go after leaving?

Former Union.ai employees most often move to Google (2), Microsoft (2), Couchbase (1).

How much traffic does Union.ai get from search?

Union.ai attracts about 620 organic search visits a month, worth roughly $0K a month in equivalent ad spend.

What skills do people at Union.ai have?

The most common skills among Union.ai staff are Python (Programming Language), SQL, Java, Software Development, Kubernetes.

Where is Union.ai's team located?

Union.ai staff are concentrated in Washington, United States (16), United States (6), California, United States (5).

How big is Union.ai's engineering team?

Union.ai has about 27 people in Engineering, up 29% over the past year, as of September 2026.

How big is Union.ai's marketing team?

Union.ai has about 5 people in Marketing, up 25% over the past year, as of September 2026.

Computed from 48 current and 45 former Union.ai profiles, as of September 2026. Source: Crustdata.

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