Which is better, Sponsored Brands or Sponsored Products?

Neither — they do different jobs on the same results page. Sponsored Products captures a shopper deciding which product to buy (highest conversion, deepest control, open to any Buy Box holder) and should carry the spend majority. Sponsored Brands sells brand trust and baskets — banner plus Store landing — and earns budget for brand-term defence and deep-range category presence, judged on blended results rather than its own dashboard.

Should I run Sponsored Brands and Sponsored Products at the same time?

Registered brands with clean SP usually should: an SP tile competes inside the results while an SB banner frames them, and the two occupy different inventory. Start with brand-term defence SB (cheap, near-mandatory once brand searches exist), add one category banner where your range is deepest, and keep SB around 10-15% of spend until displacement tests justify more.

Why is my Sponsored Brands ACoS worse than Sponsored Products?

Because per-click conversion is SP's home game — its tile sits at the exact moment of product choice, while SB's banner interrupts earlier in the decision. Judging SB on solo ACoS misses its basket and brand effects. The honest test is displacement: pause the banner for three settled weeks and watch blended brand sales and branded-search volume; if they hold, it was decorating — if they sag, it was working.

Do I need Brand Registry for Sponsored Brands?

Yes — Sponsored Brands (and Sponsored Display, Stores, A+ Content) require Brand Registry, which needs a registered trademark enrolled with Amazon. Sponsored Products requires only the Buy Box. If you're unregistered, master SP now and treat registration as a parallel trademark project, not an advertising blocker.

What keywords should I use for Sponsored Brands?

Mostly ones your Sponsored Products data already proved: exact brand terms for the defence campaign, and the converting category terms from your SP search-term report for banners — SB keyword research is largely reading your own SP evidence. Keep banners off hyper-specific long-tail queries, where shoppers want exactly one product and the tile serves them better than a brand pitch.

Sponsored Brands vs Sponsored Products, Settled

The comparison that matters

The single most decision-relevant row is unit of success. SP's unit is this product's order — clean, immediate, per-click. SB's unit is the basket and the brand impression: a banner click lands on a Store or product list, cross-sells across your range, and (unmeasured but real) plants a name shoppers re-search later. Comparing the two on per-click ACoS is measuring a fishing net by its performance as a fishing rod.

The second most important row is eligibility: SP is open to any Buy Box holder; SB needs Brand Registry. Unregistered sellers should stop reading here and go master SP — the ad-types guide covers why registration is a trademark project running in parallel, not a prerequisite for advertising well.

What SP does that SB can't

Three SP monopolies keep it the spend majority in virtually every account:

Native intent capture. The SP tile sits inside the consideration set, at the exact moment of product choice — the highest-CVR real estate Amazon sells. Nothing in SB's formats touches that proximity.
The search-term engine. SP (with its auto campaigns) generates the account's core evidence asset — the search-term report every other decision feeds on, SB's keyword choices included. An account's SB targeting is only as smart as the SP data behind it.
Granular economics. Per-term bids sized to per-term conversion (the formula), placement modifiers, SKC isolation for heroes — SP's control surface is simply deeper, because its unit of success is measurable per click.

Practical consequence: SB budget is always carved out of provably-working SP budget, which sets its evidence bar. The four-question flow below is that bar.

What SB does that SP can't

The honest SB case, without the brochure gloss:

Brand-term defence. On searches for your own name, SP tiles compete inside results a competitor's SB banner can still crown. Owning that banner is cheap (brand-term CPCs are low, CVR high) and its absence is expensive — a rival literally framing your own demand. If brand searches exist, this use-case alone justifies SB.
The basket play. A banner click to a well-built Store enters a competitor-free space where the whole range sells. For genuinely deep ranges, per-visit economics can beat SP's per-click economics even at lower CVR — the cross-sell is the margin.
Video in the results. SB video autoplays mid-results and pulls attention no static tile can. It has its own placement inventory, so it adds reach rather than cannibalising your tiles — and modest production (product doing its job, first two seconds) outperforms polished brand films.
Category shelf presence. On category terms where your range is credible, the banner asserts "this is a brand, not a listing" — worth real money in categories where shoppers fear junk, worth little where they don't. Know your category's trust economics before paying for reassurance nobody needed.

The four-question budget flow

Question 1 is where most accounts should honestly stop for now: with a measured tenth of spend typically leaking through un-negated SP waste, "diversifying into SB" routinely functions as procrastination with a budget line. Clean SP first — the twelve-mistakes sweep — then carve.

Question 4 is the one sellers skip and regret: SB judged on solo weekly ACoS will look worse than SP almost every week, and the seller who set it up with SP expectations kills it at week six — usually right before its brand-search lift would have become visible. Decide the judgment framework before the first dollar: blended account TACoS, brand-search impressions trend, and Store-visit behaviour, on monthly windows.

Attribution: where the two dashboards diverge

Both formats' numbers need salt, but different salt:

SP's distortion is temporal: orders land days after clicks (the settled-window rule), so recent ACoS overstates. Beyond that, click-to-this-product attribution is fairly honest.
SB's distortion is structural: longer attribution paths, credit for basket items the click merely preceded, and "new-to-brand" percentages that count shoppers who'd have found you via the SP tile below the banner anyway. None of this makes SB worthless — it makes SB's own dashboard the wrong judge.
The referee is displacement: the honest SB test is what happens to blended results when its budget moves. Pause a category banner for three settled weeks: if total brand sales hold, the banner was decorating; if they sag — particularly branded-search volume — it was working. Run the same test before scaling SB, in reverse.

(The ad-types guide's flattery-patterns section extends this to Sponsored Display, whose view-through attribution needs the most salt of all.)

Running both: the practical division of labour

For a registered brand with clean SP, the working setup:

Brand-defence SB first: exact-match brand terms, headline + logo, Store landing. Small budget, near-permanent, judged loosely (its job is denial as much as conversion).
One category banner where range is deepest: your best 3+ product family on its core category terms — the same terms your SP data already proved convert. SB keyword research is mostly reading your own SP search-term report.
SB video as the third campaign, reusing the proven terms — its separate placement inventory makes it additive rather than cannibal.
Budget shape: SB total around 10-15% of ads spend early, drifting toward 20% only as displacement tests justify it (the maturity curve).
Negative coordination: keep SB off the ultra-long-tail — its banner wastes on hyper-specific queries where the shopper wants exactly one thing; leave those to SP tiles.

During Q4, the division sharpens: SB's browse-heavy value peaks in the lead-in weeks (brand-planting while shoppers research), while SP's peaks on the conversion days themselves — pace them on different curves.

Worked example: one brand's month, both formats

A kitchenware brand, five related products, clean SP, $3,000/month total. Split: $2,500 SP, $300 brand-defence SB, $200 category SB banner.

The monthly reading (settled): SP posts 26% ACoS against a 38% blended break-even — the workhorse working. Brand-defence SB posts a glossy 8% ACoS — pleasant, but read correctly it mostly confirms the brand terms convert (they always do); its real value line is that competitor banners stopped appearing over the brand's own name. The category banner posts 41% solo ACoS — "losing" by SP rules — but the displacement history says otherwise: the month it was paused, branded-search impressions fell 18% and two non-advertised siblings' organic orders sagged. Blended TACoS trended down all quarter.

The decisions that fall out: keep all three; scale none this month; move $100 from category-banner to SP where a hero keeps capping (budget follows evidence); revisit at the next quarterly displacement test. Boring, correct, and impossible to reach from either dashboard alone — which is the entire lesson of the comparison.

Migration notes: adding SB to an SP-only account

The transition itself has traps worth naming:

Don't fund SB by shaving every SP campaign equally. Carve from the specific SP spend with the worst marginal return — the tier logic in miniature — so the account's blended economics don't sag during the experiment. If no SP spend deserves shaving, question 1 of the flow was answered too generously.
Build the Store landing before the banner. An SB campaign pointed at a thin, un-shoppable Store converts the click and loses the basket — the format's entire premium. One focused Store page per product family, deal items first during event seasons, beats a sprawling brand museum.
Expect a null first month and pre-commit to it. SB's effects (brand-search lift, basket behaviour) surface on monthly windows; the displacement test that judges it needs a baseline period first. Write the judgment date and criteria before launch — the format's biggest killer is an SP-calibrated seller reading week-two solo ACoS.
Reuse SP's negative intelligence. The waster terms SP already convicted are equally wasted in banners; seed SB's negatives from SP's list on day one rather than re-paying tuition.

Both formats, one nightly system

The division of labour above is stable, but its maintenance isn't: SB keyword choices should track SP's evolving search-term evidence, budgets should follow displacement results, and both formats' bids decay at their own rates. AIAdKing runs SP and SB under one evidence system — SB targeting fed by the same nightly harvest, budgets paced against blended (not per-dashboard) results, every cross-format move logged with its reason and previewable in shadow mode. One flat fee for the whole suite, and the SB-vs-SP question stops being a debate and becomes a dial.