4platforms
4 truths
4 truths
Numbers that don't agree.
Google says 4.2 ROAS. Meta says 2.1. The warehouse says 3.6. Your client wants a number. Your buyer makes one up.
Built by an agency, for agencies
Read the room.
Move the money.
Cosma is the diagnostic layer for cross-platform PPC. Twelve widgets, twenty-five flags, one operating picture — across Google, Meta, TikTok, and Bing. We surface the leaks; your buyers make the call.
SOC 2 Type II30 min setup4.2× avg. ROAS lift
Reading rooms across
Google Ads Meta Microsoft AdsTikTokSoonGA4SoonShopifySoonKlaviyoSoon
The problem
Twelve tabs.
One client.
Zero context.
Every senior buyer has the same morning: open Google, open Meta, open TikTok, open the warehouse, open the client's Slack, open the bid sheet — then guess what the room looks like.
19davg.
detect lag
detect lag
Diagnostics arrive 19 days late.
By the time the month-end deck is drafted, the leak has been bleeding since the second Tuesday. Insight without timing is theatre.
0%explain-
ability
ability
“AI insights” without why.
The black box says scale this campaign. Your senior strategist asks why. The platform shrugs. You don't ship the move.
12h/ buyer
per week
per week
Senior hours invisible on invoices.
The hours your operators spend in the stack don't show up as line items. They show up as burnout, churn, and unbillable Sundays.
The product
Four questions.
One answer per morning.
Cosma is organized around the only four questions a media buyer needs to answer at 8 a.m. — and the twelve widgets that answer them without a deck.
Make
money
Where the budget should grow. Surface the channels, audiences, and creatives quietly compounding — before the rest of the agency notices.
- ROAS opportunity score by tactic
- Auto-rebudget recommendations w/ confidence band
- Creative fatigue early-warning
3 widgets
Save
money
Where the budget is bleeding. Lost-rank, bid-cap throttle, broken pixels, dead audiences, and pacing drift — caught the morning of, not the month after.
- Wasted spend monitor (cross-platform)
- Pixel & conversion-event integrity
- Pacing drift & budget-cap alerts
3 widgets
Watch the
competitors
Auction-share, ad-copy, and creative-cycle changes from the brands trying to outrank you — without a separate intel tool or a $40K SimilarWeb seat.
- Auction-insights diff (Google & Meta)
- Creative cadence & theme detection
- Brand-term encroachment alerts
3 widgets
Catch the
missed shots
The opportunities your buyer would notice on a slow Tuesday — surfaced on a Monday. Untapped match-types, geo gaps, dayparting, audience overlap.
- Untapped match-type & placement matrix
- Geo / daypart efficiency gaps
- Audience overlap & cannibalization map
3 widgets
The diagnostic
25+ flags, in plain English.
Every flag is a pre-written diagnosis your senior strategist would write — if she had time. Every flag has a recommendation. Every recommendation cites the data behind it. Nothing is automated. Nothing is hidden.
25+
named diagnostics, written by operators, reviewed every quarter.
F-12
Lost-rank spike NPBE Desktop · 11.4% impression-share lost to top bid in 24h
↑ 11.4%
F-04
Bid-cap throttle Demand Gen · Liveramp prospecting hit cap at 62% of daily budget
62%
F-18
Conversion-event drift Meta Purchase event · 3-day lookback delta > 14%
14.2%
F-22
Audience cannibalization Brand & Nonbrand overlapping on 28% of converting users
28%
F-07
Creative fatigue Top performer hits frequency 4.6 — refresh window opens Tuesday
4.6×
A morning, not a meeting
Brief.
Decide.
Move on by 9:15.
01 · BRIEF
Read the room
The morning brief lands at 7 a.m. — yesterday’s spend, today’s flags, this week’s risks. Operator language. No "AI insights".
Output → 1 brief, 5 minutes
02 · DECIDE
Decide where it counts
Each flag carries a recommendation and the data behind it. When you're ready to act, Cosma deep-links you straight to the right campaign, ad set, or keyword in the platform. You make the change. We log the trail.
Output → Auditable decisions
03 · MOVE
Make the move yourself
You execute in the platform you already trust — one click from the flag drops you on the right campaign, ad set, or keyword. Cosma logs the recommendation, the deep-link, and the outcome. Client sees one weekly report drafted from your decisions, edited and signed by you.
Output → Weekly client report
Proof · From the operators using it
Case study · Atelier & Co. (DTC, 8-figure)
4.2X
−38%
CPA
19h
Saved/wk
ROAS in 90 days
"Cosma is the only PPC tool I let near client money. Not because it decides — because it doesn’t. It tells my team what to look at, in their language, before the client emails about it."
M
Maya Okafor
Head of Performance · Atelier & Co.
Case study · Northwind Agency (12-person performance shop)
−61%
2.8X
Client retention
$0
Wasted ad spend
Time on reporting
"My strategists used to spend Mondays in spreadsheets. Now they walk in, read the brief, and call the client by 10am with three things to discuss. The work got better because the prep got faster."
J
Jordan Reyes
Founder · Northwind Agency
Case study · Lumen Health (B2B SaaS, Series B)
3.6X
−44%
CAC
5
Channels unified
Pipeline in 60 days
"It reads like our smartest analyst wrote it on a good day. No fluff, no scary AI confidence. Just ‘here’s what changed, here’s why it matters, here’s the call you have to make.’ That’s the whole job."
P
Priya Anand
VP Growth · Lumen Health
The principle
We advise.You decide.
Cosma is built on one non-negotiable: software does not move money. Operators do. Here is exactly where that line is drawn — and where it isn't.
What Cosma does
We do.
01
Surface the leak with the chart, the flag, and the why.
Every recommendation arrives with the diagnostic that earned it. You see the evidence before you see the move.
02
Write every flag with a working media buyer.
Twenty-five flags, all hand-authored by senior operators and reviewed quarterly. Calibrated to the questions a ten-year buyer would ask.
03
Reconcile twelve sources into one ledger.
Google, Meta, TikTok, Bing, GA4, Klaviyo, Shopify, your warehouse — joined on one identity graph, in one screen, with one number you can defend.
What Cosma refuses
We don't.
01
Touch a budget, a bid, or a creative on its own.
Cosma is read-only inside your ad accounts. No silent reallocations. No background bid changes. No "the model decided." The platform is yours; the click is yours.
02
Let an LLM "cook" the diagnostics.
No hallucinated wins. No vibes-coded insights. The model assists; it does not author. Provenance is a first-class citizen.
03
Replace your senior strategist with a dashboard.
Cosma is the second strategist your agency couldn't afford to hire — not the first one you decided not to. Judgment scales; it does not automate.
CCosma operating principle · v1
Private beta · Founding price
Everything,
for $9.99 a month.
One simple beta price while we build alongside the first agencies using Cosma. The full platform — every dashboard, flag, and alert. No tiers, no per-seat games, cancel anytime.
Common questions
Before
you ask.
Is Cosma another AI media-buying tool?
No. Cosma is a diagnostic layer, not an autonomous agent. We have read-only access to your ad accounts — we never push a budget, change a bid, or pause a creative. We surface the leak and deep-link you to where it lives. The work of buying, and the accountability for it, stays with your operators.
Which platforms do you support today?
Google Ads, Meta, TikTok, and Microsoft Ads are first-class. GA4, Shopify, Klaviyo, and arbitrary warehouse tables (BigQuery, Snowflake, Redshift) flow in as context. LinkedIn and Pinterest are on the 90-day roadmap.
How fast does onboarding actually take?
One agency, one workspace, one ad account: under 30 minutes from signup to morning brief. Multi-client agency rollouts ship inside a week with a dedicated migration partner.
What about data privacy & client confidentiality?
SOC 2 Type II. Per-workspace encryption keys. Your client data is never used to train shared models — there are no shared models. Diagnostics run on aggregated, anonymized industry benchmarks you can opt into or out of.
Can I white-label the client portal?
Yes — higher tiers include domain, logo, and report-template white-labeling. Client-facing reports always credit the agency.
What does "built by an agency, for agencies" actually mean?
BigBoost — the agency that built Cosma — runs it on its own book of business every day. If a flag isn't useful in our morning brief, it doesn't ship. The product roadmap is a sub-set of our internal one.
Last call
Read the room.Move the money.
30-minute demo. We open one of your accounts, run the four pillars live, and show you what the morning brief would have caught last Tuesday. No deck, no SDR, no "circle back."