Best DSP is going to be subjective to each trading desk/brand. Things people need to consider when selecting "best" range from - fees, channels available, measurement solutions, ad units supported, built in features like DCO, Audience insights, channel planning, cost of entry, ease of use, customer support etc. There is generally no one way to pick a best DSP. Answer from Thesnowbelow on reddit.com
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Basis
basis.com › home › resource center › programmatic advertising 101: what is a dsp?
What is a DSP? | Programmatic Advertising 101 | Basis Technologies
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Reddit
reddit.com › r/programmatic › dsp for small business recommendation
r/programmatic on Reddit: DSP for Small Business Recommendation
May 30, 2025 -

Hello,

I'm doing a two pronged search in which I want hands on programmatic advertising and at the same time, help a friend of mine with programmatic advertising for his small electronic product. business. This advertising will likely be contextual and look-alike/retargeting based.

I'm an ad trafficker by trade(creative, campaign, pacing management) but don't do programmatic(I only do direct sold) and hoping to get recommendations on DSP's suited for my friend's small business. I've read up on StackAdapt, Simpli.fi, and Basis and was wondering if other ones I should check out. Also if there are any qualities I should look out for in a DSP from a small business perspective, that'll be greatly appreciated.

Thanks again in advance!

Best,

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