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About Us

Operators who treat your

profit like our own.

We started Fish River after seeing both ends of the agency world fall short. Holding companies bury you in process; cheap shops lack the senior expertise to move the needle. We built the partner we always wanted: senior operators, proprietary AI, and an obsession with incremental profit.

Our name comes from Fish River in northern Maine, where our founder spent every summer as a kid. The fish were there, but you had to know where to look. He’d bounce around the river, casting for hours, nothing biting. Then out of nowhere, boom. Mother lode.

That’s how we run client work. Many tests come back flat. Some kill ideas we loved. But the ones that hit are the ones that actually change what a business is worth. Most agencies are working the easy water. We’d rather find the right spot, and we’re patient enough to stay until we do.

Our Story

Built to bridge intelligence and execution.

Fish River was founded by operators who had managed budgets at the largest scale — and grew frustrated watching strategy stall in process, and execution suffer without senior judgment.

Today we pair the River OS with a lean, senior team to give clients the rigor of a scientific discipline and the speed of a startup.

Mission Statement

We're not your agency. We're your growth partner.

We’re not your agency. We’re your growth partner.

We believe great marketing doesn’t just lower CPA — it changes the trajectory of a business. Our founder learned that lesson the hard way, watching big agencies bury clients in process and small ones chase shortcuts that didn’t last. So we built Fish River to operate differently: tied to the metric that matters, incremental and provable profit. No black boxes, no shortcuts — just powerful AI activations trained by seasoned operators, all pulling in the same direction as your bottom line.

Experience

Seasoned specialists on every account.

Your business is run by senior specialists — each with 15+ years in their craft and pedigrees spanning Fortune 100 brands to high-growth startups. No hand-offs to junior account managers.

It's a deliberate model — and it's why our ROI per dollar beats the way most agencies are staffed.

Tech Stack

Best-in-class tools.

One agentic brain.

Our edge isn’t choosing proprietary tech or proven platforms — it’s wiring the best third-party tools into The River OS, our agentic engine that reasons over their signal and returns validated work.

Third-party signal flows in continuously. The River OS reasons over it with persona-trained agents and routes every recommendation back through incrementality before it scales.

Featured

Adology

AI marketing intelligence that watches the market across many signals, turns it into briefs and audits, and grades every call against what actually shipped.

Ad libraries & intel

Meta Ad Library, Foreplay, and Motion surface what's working across competitors and our own accounts before we build.

AI production

Runway, Midjourney, ElevenLabs, and Adobe Creative Cloud give River OS agents the means to produce platform-native assets at speed.

Core platforms

Google Ads, Meta, TikTok, LinkedIn, Amazon Ads — demand capture and demand-gen run as one integrated system.

Programmatic / STV

The Trade Desk and DV360 extend reach into programmatic and connected/streaming TV with measurement guardrails.

Automation & feeds

Smartly.io and Feedonomics let the River OS push budget and creative changes at scale, instantly.

Featured

Recast

Fast, accurate incrementality measurement on a proprietary Bayesian Causal MMM and GeoLift testing — forecasts validated weekly.

Featured

Measured

Cross-channel incrementality experiments and attribution that isolate the true causal contribution of each channel.

Foundation & pipeline

GA4, server-side GTM, BigQuery, Northbeam, and Looker form the data backbone that unifies everything into one source of truth.

Classic SEO

Ahrefs, Semrush, Screaming Frog, and Google Search Console power technical, content, and authority work.

GEO — the edge

Profound and Peec AI track brand visibility and citations inside ChatGPT, Perplexity, and Gemini.

Content optimization

Clearscope and Surfer keep content aligned to intent and ranking opportunity at scale.

The Work

Real accounts, anonymized.

Client identities are protected. Every number below comes from an account we run today.

Case Study 01

+300%

revenue

Amazon & eCommerce

Rebuilt their toughest category end to end: campaign structure, reviews, and product pages. Revived dead SKUs and tripled spend while lifting ROAS.

Case Study 02

−50%

customer acquisition cost

CPG brand

Persona-driven creative across multiple themes, with product pages rebuilt around clinician trust. Creative and landing pages launched together.

Case Study 03

+150%

weekly sales

DTC jewelry

Three compounding phases: Google Ads rebuild, persona-driven Meta creative, then website and product page optimization.

Case Study 04

−80%

cost per qualified lead

Law firm

Hyper-local media, persona creative at volume, and offline conversion imports tying ad clicks to signed cases.

Want to see what we'd do for you?

Bring us your current numbers — we'll show you where the incremental upside is hiding.

Book a Strategy Call

© 2026 Fish River. All rights reserved.

© 2026 Fish River. All rights reserved.