SleekFlow
SleekFlow sells an AI-powered customer conversation platform that integrates messaging apps, live chat, email and calls. It serves over 2,000 enterprise customers across 70+ countries and has raised $24M in funding.
The growth story
SleekFlow grew from 127 to 204 employees between 2022 and 2026, raising $24M along the way, most recently a Series A in June 2025.
About
SleekFlow provides a unified platform for businesses to manage customer interactions across multiple channels including WhatsApp, Instagram, SMS and email. Its AI system analyzes conversations to identify gaps and suggest improvements, while also providing business insights from customer data.
The company has grown to 204 employees since its 2019 founding and secured $24M in Series A funding in June 2025. Its investor base includes Alibaba Group and Gobi Partners, signaling strong backing from major Asian tech players.
Founders and leadership
Sales is SleekFlow's largest function, accounting for 32 employees. The company has a median employee tenure of 2 years, suggesting moderate turnover as it scales.
The SleekFlow org chart
Henson Tsai (Founder & CEO) leads 59 mapped leaders with 9 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Customer Success and Support 37 (+23% YoY), Engineering 36 (-10% YoY), Sales 34 (+10% YoY), Marketing 17 (+6% YoY), Business Development 17 (+31% YoY), Information Technology 11 (0% YoY).
Talent flow
SleekFlow recruits heavily from Glints and major tech firms like Accenture and Shopee. Alumni frequently move to Josys, Ant International and HSBC, indicating their skills transfer well to both startups and large corporations.
Most common previous employers of SleekFlow staff: Glints (5), Accenture (3), StoreHub (3), Lalamove (3), Altitude Labs (3), Shopee (3). Former SleekFlow employees most often moved to Josys (3), LinkedIn (2), Cekat.AI (2), Ant International (2), MTR Corporation Limited 香港鐵路有限公司 (2), HSBC (2).
Alumni worth knowing
Hiring now
Web traffic
Traffic mix: 51% direct, 43% search, 1% social, 1% paid.
What this company is made of
Most common skills at SleekFlow: Communication (72), Microsoft Office (56), Project Management (51), Customer Relationship Management (CRM) (50), Teamwork (48), English (46), Customer Service (45), Microsoft Excel (45).
Where the team actually sits
SleekFlow people are concentrated in Hong Kong SAR (27), Hong Kong, Hong Kong SAR (21), Federal Territory of Kuala Lumpur, Malaysia (16), Dubai, United Arab Emirates (9). 5 offices on record.
Search footprint
SleekFlow attracts about 5,939 organic search visits a month, traffic worth roughly $78K a month if bought through ads. It gained 3,228 ranking keywords and lost 1,171 in the last period.
What employees say
- Compensation
- 4.10 / 5
- Career opportunities
- 4.50 / 5
- Senior management
- 4.20 / 5
- Work-life balance
- 4.10 / 5
Frequently asked
SleekFlow has 204 employees as of September 2026.
SleekFlow has raised $24M in total, most recently a Series A round in June 2025.
SleekFlow was founded in 2019 by Henson Tsai.
Henson Tsai (Founder & CEO) sits at the top of SleekFlow's reporting structure, with 9 direct reports.
The most common previous employers of current SleekFlow staff are Glints (5 people), Accenture (3 people), StoreHub (3 people).
Former SleekFlow employees most often move to Josys (3), LinkedIn (2), Cekat.AI (2).
SleekFlow attracts about 5,939 organic search visits a month, worth roughly $78K a month in equivalent ad spend.
The most common skills among SleekFlow staff are Communication, Microsoft Office, Project Management, Customer Relationship Management (CRM), Teamwork.
SleekFlow staff are concentrated in Hong Kong SAR (27), Hong Kong, Hong Kong SAR (21), Federal Territory of Kuala Lumpur, Malaysia (16).
SleekFlow has about 37 people in Customer Success and Support, up 23% over the past year, as of September 2026.
SleekFlow has about 36 people in Engineering, down 10% over the past year, as of September 2026.
Computed from 151 current and 133 former SleekFlow profiles, as of September 2026. Source: Crustdata.
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