I've been running campaigns for online business services, and they've been surprisingly consistent. The audience is smaller than consumer markets, but business owners usually know exactly what they're looking for, which leads to higher-quality traffic.
 
The automotive niche has worked well for me, particularly targeting local dealerships and repair services. People searching for vehicle-related services often need immediate solutions, which naturally improves conversion rates when campaigns are well targeted.
 
My best PPC experience has been promoting educational software for schools and students. The campaigns required careful keyword research, but once I understood the audience, results improved steadily. Google Search performed much better than social media in this case.
 
If I had to choose only one niche, it would probably be home improvement. Demand remains fairly stable throughout the year, and people searching for renovations or repairs often have genuine purchase intent. The consistency is what keeps me working in that market.
 
I've tried both high-ticket and low-ticket products, and honestly, I prefer high-ticket niches now. Although conversions happen less frequently, a single successful sale can often generate more profit than dozens of smaller transactions.
 
After testing campaigns across several industries, I'd say the biggest lesson isn't necessarily choosing the "best" niche—it's understanding the audience within that niche. I've seen people succeed in industries I personally struggled with simply because they knew their customers better. The niche certainly matters, but careful keyword research, compelling ad copy, well-designed landing pages, and continuous optimisation have had a much bigger impact on my results than the industry itself. If I were starting from scratch today, I'd still spend most of my time researching audience behaviour before launching any campaign.
 
I've had the most success with the home improvement niche. People searching for services like painting, roofing, or kitchen renovations usually know exactly what they need, so the traffic tends to convert well. The clicks aren't cheap, but the quality of leads has always made up for the higher costs.
 
For me, software and online tools have been the clear winner. Businesses are constantly looking for solutions that save time or improve productivity. Once I understood the audience and refined my landing pages, conversions became much more consistent than I expected.
 
I actually found local businesses easier to work with than national campaigns. Running ads for local dentists, gyms, and repair services gave me better conversion rates because the audience was smaller and much more targeted.
 
My best campaigns have been in the education sector. Online courses and professional training programmes performed surprisingly well because people searching for them usually have a genuine interest in improving their skills.
 
I've tested quite a few industries over the years, but I'd say B2B services produced the strongest long-term results. There may be fewer leads compared to consumer niches, but each lead is often worth much more.
 
One niche that surprised me was pet supplies. I wasn't expecting much when I started, but pet owners tend to be loyal customers and often return for repeat purchases. That made the campaigns much more profitable over time.
 
Travel looked exciting when I first started, but it turned out to be much more competitive than I imagined. I eventually moved into local service businesses, and my return on investment improved almost immediately.
 
Health supplements worked well for me, although they required careful attention to advertising policies. Once everything was compliant, I found that targeting specific customer problems produced much better results than broad health-related campaigns.
 
Finance has always been my strongest niche, but it's definitely not beginner-friendly. The competition is intense, and every click matters. If your campaign isn't properly optimised, it's very easy to spend your budget without seeing much return.
 
I've had great results promoting digital products rather than physical ones. Digital products usually have higher profit margins, which gave me more flexibility with my advertising budget while still remaining profitable.
 
My experience has been quite different from many people here. Instead of focusing on expensive keywords, I targeted smaller long-tail searches. The traffic volume was lower, but conversions were noticeably higher because users knew exactly what they wanted.
 
The legal niche has been rewarding, although it required patience. Every lead carried significant value, so even a small number of successful conversions made the campaigns worthwhile despite the higher advertising costs.
 
I've always preferred eCommerce campaigns because I enjoy testing different products. Some products fail quickly, but when you find a winner, scaling the campaign can be very rewarding.
 
Home security products turned out to be one of my better-performing niches. People searching for security solutions often have a strong reason to buy, which helped improve both click-through rates and conversions.
 
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