The single source of truth for your marketing department. Audit, strategy, weekly scorecards, and an AI advisor — all in one place. Built by a founder, for founders.
In good company
“The single source of truth for all things marketing.”
Raisul Kabir, Founder & CEO · BrainStation-23
Trusted by growing businesses across Bangladesh
























































The problem
If any of these sound like your week, keep reading.
Reports come in. Money goes out. Nobody can tell you what's working.
Marketing looks busy. The pipeline doesn't show it. No straight line from activity to closed deals.
Tasks get done. Strategy doesn't move. The gap between decided and shipped keeps widening.
Strategy, context, brand voice, campaign history — gone with the person. You retrain the same role for the third time.
The solution
Audit, strategy, weekly scorecards, and your AI advisor — one connected system. Founders finally get a straight answer on whether marketing is moving the business.
Workspace
Health Score
Open actions
KPIs on track
This week
Strategy pillars
7/7 live
Strategy, audit, campaigns, KPIs, brand, SOPs — one workspace, all linked. When someone leaves, the playbook stays.
9-module AI diagnostic in under 20 minutes. Findings auto-feed 7 strategy pillars. Audit and strategy aren't two documents — they're one connected thing.
Site sessions
Trial signups
CAC
Demo conversion
Action + Results scorecards refresh weekly. Drift surfaces in 7 days, not at the next quarterly review.
Grounded in your analysis · strategy · 14 KPIs · 6 campaigns
Yes — directionally. Content dimension scored 82/100 in your audit, the strongest of the six.
MQLs
+34%
CAC
−12%
Demo conv.
−0.4pp
Suggest: increase mid-funnel content. Trial-to-demo dropped 0.4pp — bottleneck is conversion, not awareness.
Trained on your audit, strategy, KPIs, and campaigns. Answers grounded in your real data — not best-practice fluff.
Platform
Plan, execute, and measure — without switching between tools. Tap any module to see the full feature.
Diagnose the marketing engine.
Decide where to go.
Own the work.
Ship the work.
Know if it's working.
Why 38os
General-purpose AI is brilliant at one-off questions. It forgets your context, doesn't track what was decided, and has no idea if marketing is actually working. 38os is the operating system underneath — purpose-built for the job.
Single source of truth
Only on 38osAudit, strategy, KPIs, campaigns, and execution are all linked — every artefact knows the strategy it serves and the metric it moves. ChatGPT starts from a blank chat every time.
Marketing context
Persistent workspace memory across audit, strategy, and KPIs — the system already knows your business when you sit down to work.
Weekly cadence
Auto-summarises every action, milestone, decision, and KPI movement from the week into a Monday founder briefing — without you asking. ChatGPT has no idea what your team did.
Decisions & sign-off
Only on 38osStrategy decisions, approvals, and version history captured in one place — searchable months later when you need the why.
Marketing frameworks
Built-in scoring across six marketing dimensions, a KPI catalog, and a persona system — the structure marketers actually use.
Team workspace
Multiple roles, ownership of work, sign-off, and presence — everyone on the marketing team in one place, with the right permissions.
Data integrations
Pulls live data from your analytics tools so KPIs are real, not guessed — no daily copy-paste from each platform.
Output format
Structured plans, dashboards, and scorecards a founder can read in 30 seconds — not a paragraph essay buried in a chat thread.
Action follow-through
Tracks campaigns, milestones, and what shipped so the strategy actually gets executed — not just suggested.
Use ChatGPT for one-off questions. Use 38os for the rest of your marketing department.
A weekly heartbeat
Health score, KPIs, and trends refresh every Monday. Drift surfaces in 7 days, not at the next quarterly review.
Marketing · alive · 60 bpm
Friday 9:14am
Health Score
78
Healthy · +4 wk
MQLs/wk
+34%
124
CAC
−12%
$284
Pipeline
+18%
$84k
Demo conv
−0.4pp
7.8%

Nazmul Ahmed
Founder · 38os
Built by an operator
I’m Nazmul Ahmed. For 16+ years I’ve served as a CMO and fractional CMO inside mid-size companies — building marketing teams from scratch, rebuilding broken ones, and answering the same founder question every single time: is marketing actually working?
38os is the operating system I built for myself across those engagements. After running the same playbook with a dozen different teams, I turned it into a product so other founders could stop running marketing on hope, slide decks, and a Monday gut-check.
16+
Years as a CMO
Fractional
CMO for mid-size companies
Operator
Not a software vendor