Market data reveals that companies using advanced ad tech platforms see up to a 50% increase in conversion rates compared to those relying on traditional advertising methods. Traditional advertising is getting more and more old-fashioned nowadays. Thus, startups are turning to smarter ad technology tools that help them get better ROI and grow their businesses faster and smarter.


Terng Shing from SYNC shares how tariffs are impacting the region’s marketing spend


Why ROI is crucial for SEA’s startups

Simply saying, ROI is a marketing metric that shows the return on investment in a project. A solid ROI is one that exceeds 100%. Amazon

developed its own AdTech platform (Amazon DSP), which is used for retargeting and personalisation. According to eMarketer, ROI on its own products can reach 400%+ across paid channels. By calculating ROI, you can determine:

  • The most cost-effective marketing tools and channels;
  • The budget for future campaigns;
  • The strategy for promoting and developing your business.

Studies show that companies focusing on ROI data increase their profit margins by an average of 15% within the first year.

Some market-specific nuances across SEA:

RegionCharacteristics
SingaporeBusiness-oriented economy, a high level of technological and infrastructure development, a stable political climate
IndonesiaLarge market potential, corruption, bureaucratic hurdles, political instability
The PhilippinesTax exemptions, import incentives for equipment, infrastructure investments, bureaucracy
ThailandBusiness-friendly environment, government support programs, skilled labor of information technology and digital marketing 

Here’s why ROI is a key player for Southeast Asia startups:

  1. Market diversity. With 11 countries and hundreds of languages, precise targeting is essential, as 72% of consumers prefer ads tailored to their culture.
  2. Limited funding. About 60% of startups in the region struggle to secure investment, making every marketing dollar’s return vital.
  3. Rapid digital growth. Southeast Asia’s digital economy is growing at 15% annually, requiring startups to adapt and measure ad performance in real time.
  4. Investor expectations. 85% of regional investors demand clear ROI metrics before funding startups, emphasizing the need for transparency and effectiveness.

How startups in SEA benefit from smarter Ad Tech

Advertising Technology refers to the collection of digital tools and platforms used to create, deliver, analyze, and optimize advertising campaigns online. AdTech can be considered one branch of the larger MarTech tree. The main components of smarter ad tech, such as those offered by FatAds, include:

ComponentFunctionBenefit for Startups in SEA
AI Automatic campaign optimizationSaves budget
Programmatic buyingAutomatic ad purchasingInstant access to the proper audience
RetargetingShowing ads again to interested audienceIncreases conversion and lowers acquisition cost
PersonalizationIndividualized approach to the userEnhances relevance and engagement
Real-time analyticsMonitoring and adjusting campaignsFast adaptation to market changes

For your clear understanding, here are some approximate performance metrics for Southeast Asian startups utilizing Smarter Ad Tech solutions:

MetricBefore Smarter Ad TechAfterImprovement
Ad conversion rate2.5%5.2%+108%
ROI120%280%+133%
Campaign launch time3 days3 hours-90%
User engagement rate15%35%+133%
Targeting accuracy60%85%+42%

Successful example: Vietnamese e-commerce startup

Zalora is a huge online fashion platform in Southeast Asia covering Singapore, Malaysia, Indonesia, the Philippines, and Vietnam. To improve the outcome statistics, Zalora implemented smarter ad technologies, including AI and personalised ad messaging.

Before implementing Smarter Ad Tech:

  • High CAC;
  • Wide audience diapason as well as low targeting accuracy;
  • Manual campaign management with slow adaptation.

After implementing Smarter Ad Tech:

  • Conversion rate has increased by 30–40% thanks to targeting accuracy.
  • CAC decreased by approximately 25%, which led to high ROI;
  • Campaign automation reduced the launching process from several days to a few hours.

Current trends in smarter Ad Tech in Southeast Asia

  1. Mobile advertising. Over 90% of internet traffic in SEA comes from mobile devices, making mobile ads the engine of progress.
  2. Growth of programmatic advertising. Automated ad buying improves targeting efficiency and lowers costs.
  3. AI and machine learning. According to a 2024 report by Statista, 72% of marketers in Southeast Asia say AI-driven advertising increased their campaign ROI by over 30%. 
  4. Localization. Southeast Asia is a multicultural region. Thus, ads are tailored to local languages and cultural preferences for better engagement.
  5. Short-form content. Platforms like TikTok and YouTube are information conductors that provide opportunities to post engaging video ads. By the way, TikTok ads reached 1.59 billion users in January 2025, covering 19.4% of the global population. 
  6. Integration with E-commerce and social media. Smart ads boost sales through dynamic retargeting on marketplaces and social platforms.

Conclusion

As the statistics shows, to remain competitive, startups in the region need to actively use innovative and locally adapted advertising technologies. The results speak for themselves: higher conversion, lower costs, rapid launch. And those startups that implement such solutions gain an advantage in the market and grow into new leaders of the region’s digital economy.