10 Marketing Agencies Startups Actually Use (2026)

I run Pick an Agency, a directory of 47,000+ marketing and advertising agencies. That gives me an unusual vantage point on a question founders ask constantly: which agencies are actually worth hiring when you're early-stage and every dollar has to work?

Here's the uncomfortable truth the data shows: most marketing agencies are not built for startups. They want long retainers, broad scopes, and clients who won't scrutinize results. Startups need the opposite, a specialist who moves fast, proves ROI, and works at a budget that makes sense pre-Series B.

So this isn't a "top 10 by star rating" list. Those rankings surface high-volume local SEO shops, not agencies a founder would respect. Instead, I curated this shortlist by startup-relevant criteria: agencies that serve SaaS and tech, specialize in the channels startups actually need (paid acquisition, SEO, content, demand gen), and have a real track record in the directory. Where an agency has meaningful verified review volume, I've included it. Every name links to its full profile so you can check the reviews yourself.

How I picked these

Four filters, in order:

• Built for startups or SaaS, not generalists who treat you like a local dentist.
• Specialist depth in one or two channels rather than "we do everything."
• Verifiable track record, real client reviews on file where available.
• A clear job to be done, so you hire for an outcome, not a vibe.

I've grouped them by what you're hiring for, because the right agency depends entirely on your bottleneck.

If your bottleneck is paid acquisition

Disruptive Advertising

A New York performance agency focused on PPC and paid social, with 294 verified client reviews (4.7 stars), one of the deepest review track records in the directory. If your growth depends on Google and Meta ads working harder, this is a serious option.

Power Digital

A San Diego full-funnel growth agency (4.89 stars across 47 reviews). Good fit once you've found product-market fit and want to scale acquisition across several channels at once rather than nail a single one.

NoGood

A New York growth-marketing shop that has built its reputation specifically around startups and scale-ups. Strong choice if you want a growth team that thinks in experiments, not just media buying.

If your bottleneck is SEO and content

Siege Media

An Austin content and SEO agency well known for SaaS content programs. The play here is compounding organic growth, the channel most startups underinvest in early and regret later.

First Page Sage

SEO and thought-leadership content (4.9 stars, 8 reviews). A fit if you're selling something considered and need to build authority and inbound over a few quarters.

Skale

A London SEO agency focused on SaaS. Worth a look if you're a B2B software company that wants product-led, revenue-focused SEO rather than vanity traffic.

If you're B2B SaaS and need a specialist

Bop Design

A San Diego B2B agency covering branding, web, and content, with a near-perfect 4.99 stars across 107 reviews, the strongest combination of review volume and rating on this list. A solid all-rounder for an early B2B brand that needs its positioning and site to finally look the part.

Kalungi

A Seattle agency built specifically as a full-stack marketing team for B2B SaaS. The pitch is "your outsourced marketing department" for startups not ready to hire a full in-house team, useful if you need breadth but can't yet staff it.

Directive

An LA agency known for SaaS-focused search and performance marketing. A fit if SEM is core to your motion and you want a team that speaks pipeline, not impressions.

Refine Labs

A Boston demand-generation agency that helped popularize the "demand creation vs demand capture" framework in B2B SaaS. Best for later-stage startups rethinking how pipeline actually gets created.

When you're ready to scale: DEPT®

A global full-service agency (4.6 stars, 81 reviews). Overkill for a seed-stage startup, but a credible option once you've raised, have real budget, and want one partner across multiple channels.

How to actually choose between them

Don't start from the list, start from your bottleneck. Hire the specialist for the one channel that will move your numbers in the next two quarters, not a generalist for "marketing." Before you sign, ask any agency three things: which startups like mine have you worked with, what were the starting metrics and how did you move them, and can I talk to one of those clients. Vague answers are the answer.

On budget: most agencies set a minimum engagement between $1,000 and $5,000 per month, with creative and strategy work skewing higher. If a quote is far outside that band, make sure the scope justifies it. You can sanity-check any quote with our free agency cost calculator, and generate a clean brief to send these agencies with the brief generator.

This shortlist is editorially curated from the directory, not an exhaustive ranking. If you want to compare more options or filter by your exact service and stage, Get Matched returns a fitted shortlist in about 60 seconds.