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Growth leadership
Fractional Head of GrowthSenior direction inside your team. We steer GTM, model…Founder growth coachingWeekly 1:1 accountability and a plan you can run…
Execution services
GTM and positioningBuyer interviews, ICP and a narrative that creates…LinkedIn thought leadershipFounder-led content that earns trust before the first…Paid search and socialShort, high-intent sprints. We scale only what pays…Cold outboundTrigger-based email and LinkedIn outreach that books meetings.Landing pages and CROLanding pages tested every sprint, turned into calls.Attribution, CRM and AEOFull funnel tracking and AI search visibility.
Team
About usTwo operators who love scaling startups.
Free tools
Growth Diagnostic PlannerOur 45 point checklist for channel leaks.The 90-day growth engineEvery phase, week by week.
Proof
Client resultsWhat founders say about us.Founder storyWhy we started Growth Grain.
Start here
Where is your growth leaking?Free 30 minute diagnostic, three sprint ideas.Book the diagnostic
Operator-led growth for founders who want real pipeline

Fractional growth and GTM teams
for ambitious startups

Most founders struggle to turn marketing into revenue. We build a 90-day growth plan you can track, so it compounds pipeline and builds your brand.

Download your growth planner
Common growth problems

The three growth leaks we see most.

Everything waits on you

Every campaign needs your sign-off. When you get busy, marketing stalls.

Channels that never talk

SEO, ads and content run in silos and chase clicks, not pipeline.

Spend with no link to revenue

You see impressions, not deals, so forecasts are guesses.

Sound familiar? That is exactly what we fix.

Book a free growth call
Operator-led growth partners

Growth Grain, run by operators.

Two operators with 20+ years combined, building growth engines for national and international clients.

We're not an agency. We work inside your business every week and stay accountable for revenue.

20+Years
combined
50+Companies
grown
2Hands‑on
co‑founders
100%Operator‑led
engagements
10+ years Zakir Hossain Head of Growth
10+ years Ariful Islam Head of Marketing
What we do

One team for your whole growth engine

ZA Two operators, one teamZakir and Ariful run every engagement themselves.

Growth leadership

01 Fractional Head of Growth Senior direction inside your team. We steer GTM, model revenue and mentor your marketers. Best for founders who need senior direction before a full-time hire. All 4 phases 02 Founder growth coaching Weekly 1:1 accountability and a plan you can run this week. Best for founders who run growth themselves and want a clear weekly plan. Weekly 1:1

Execution servicesPlugged into the 90-day engine

03 GTM and positioning Buyer interviews, ICP and a narrative that creates urgency. Phase 2, Architect 04 LinkedIn thought leadership Founder-led content that earns trust before the first call. Phase 3, Test 05 Paid search and social Short, high-intent sprints. We scale only what pays back. Phase 3, Test 06 Cold outbound Trigger-based email and LinkedIn outreach that books meetings. Phase 3, Test 07 Landing pages and CRO Landing pages tested every sprint, turned into calls. Phase 3, Test 08 Attribution, CRM and AEO Full funnel tracking and AI search visibility. Phase 4, Scale
Our framework

The 90-day growth engine.

Four phases. Traction in weeks, not quarters. Select a phase to explore.

Not ready for a call yet?

Get the 2026 Growth Diagnostic Planner

Run our 45-point checklist on your own funnel first. Find the channel leaks, then bring the results to a call when you are ready.

Sent. Check your inbox for the planner.

Trusted by 50+ companies

What our clients say

Ariful has been a valuable contributor to our company. He is highly professional, consistently meets deadlines, and delivers exceptional quality work.
CP Cassie PetersenTotal Marketing Solutions
Over the past three months, referrals have grown exponentially, achieving 100% growth month over month each time. Fantastic work and truly impressive momentum!
EB Emile Ben AtarPartnership Manager, Envato
Ariful has supported our wealth management marketing and client communications with great care. He is professional, quick to respond, reliable, and easy to work with.
CD Cliff DemarestConsilium Wealth Advisory
Our promise

A clear 90-day plan.
A team that owns the result.

Weekly callsReview numbers, decide, move.
Clear milestonesA deliverable you keep after every phase.
Full visibilityYou always know what we're working on and why.
Zakir & Ariful, Co-founders, Growth Grain Zakir & ArifulCo-founders, Growth Grain
Book a free growth call

Not sure which growth levers to focus on?

Let's talk. In 30 minutes we review your GTM, pipeline and priorities, then help you decide the next move.

Get my 90-day growth plan ZAFree, 30 minutes,
with both co-founders
  1. 01Book a call
  2. 02Plan the next 90 days
  3. 03Watch your pipeline grow

Get your free plan