Most lists of inbound marketing agencies for B2B give you the same handful of HubSpot partners. That helps if your problem is a messy CRM. But your buyers now find vendors in a founder's LinkedIn feed, a podcast episode, a Google search, or a ChatGPT answer. Each of those channels needs a different kind of partner.
So we grouped this list by the channel each agency owns. You can hire for the gap that's actually costing you pipeline, instead of buying a full-service retainer and hoping it covers it.
Our top picks
The 10 best inbound marketing agencies for B2B
Each entry below covers one main inbound channel. Start with the channel your buyers use most before they talk to sales, then compare the agencies that own it.
1. Copper Kite
Best for: B2B and SaaS companies that want Google and AI search to produce inbound leads, not just traffic.
We're a B2B SEO and AI search agency for B2B SaaS and service companies with $1M+ ARR. We make your brand show up where buyers search, on Google and in tools like ChatGPT and Perplexity, and turn that visibility into demos and deals. Senior strategists run every account, and we cap our client roster so that stays true.
Every engagement runs on our KITE framework:
- K, Know the buyer: We study your sales calls and onboarding material before opening a keyword tool, so we write in the words your buyers use.
- I, Irreplaceable content: Each piece needs an original point and value an AI tool can't produce in seconds, such as product depth, expert input, or original data.
- T, Third-party trust: We earn backlinks and brand mentions on the pages Google ranks and LLMs cite.
- E, Entity clarity: We keep what you do and who you serve consistent on your site and every third-party source.
Key services
- Bottom-of-funnel keyword strategy: We map around 40 to 50 conversion-focused keywords and start with the terms buyers search when they're ready to buy.
- Conversion-focused content: Writers work from a brand knowledge base built for your company, so every page speaks to your ICP.
- Third-party listicle placements: We get your brand onto the pages LLMs cite for your buyer prompts, described the right way.
- AI visibility tracking: We track your brand across key buyer-intent prompts every month, and the gaps decide what we build next.
- SEO and AI search as one program: We run both from one strategy rather than treating them as separate projects.
Pricing
Custom, scoped to your organic growth priorities.
Where it shines
- Results are measured in pipeline. We helped a CMMS SaaS client grow organic demo bookings 6x, from 35 to 210 a month.
- KrabX, a fintech client, closed $682K in deals from organic search in 90 days.
- The strategist who scopes your account is the one who runs it.
Where it falls short
- We only cover search and AI search, so you'll need another partner for LinkedIn, video, or HubSpot work.
- We're not a fit for ecommerce brands.
- We don't do mass AI content production without editorial oversight.
Who it's best for
B2B and SaaS teams that want buyers to find them on Google and in AI answers, and want that reported as inbound leads. Teams whose main gap is LinkedIn presence or CRM setup should start with a specialist in that channel.
2. SmartBug Media
Best for: Companies that want a large HubSpot partner to run the full customer lifecycle, from marketing to service.
SmartBug Media calls itself "The World's Most Decorated HubSpot Digital Agency" and a full-service digital agency. It serves industries including SaaS, manufacturing, finance, and healthcare. Its offer spans marketing, sales, RevOps, customer success, and web.
Key services
- HubSpot onboarding: Gets your team set up and running on HubSpot.
- Demand generation: Plans and runs campaigns that bring in new leads.
- Revenue operations: Covers automation, reporting, segmentation, and analytics.
- Customer success: Builds ticketing automation, self-service portals, and knowledge bases.
- Web CMS: Handles website design, development, and migrations.
Pricing
Custom pricing, not listed on its site.
Where it shines
- HubSpot Elite Partner and HubSpot's 2025 North American Partner of the Year.
- Covers post-sale work like customer success, which most inbound agencies skip.
Where it falls short
- Its homepage doesn't name B2B as a focus, and its industries include senior living and franchise.
- No public pricing.
Who it's best for
Companies already committed to HubSpot that want one partner across marketing, sales, and service. Teams that just need more inbound demand should pick a channel specialist.
3. New Breed
Best for: B2B software and tech companies that need HubSpot built around their go-to-market team.
New Breed is a revenue operations and growth partner for B2B software and tech companies. It also serves financial services, cybersecurity, logistics, and manufacturing. HubSpot implementation sits at the center of its work, which makes it a strong B2B inbound marketing agency for tech companies.
Key services
- HubSpot migrations and implementations: Moves you onto HubSpot and configures it for your team.
- Demand generation: Runs programs across the customer lifecycle.
- Sales-ready websites: Builds sites designed to hand leads to sales.
- Custom integrations: Connects HubSpot to the rest of your stack.
- Distributely: Its own HubSpot-certified app for lead routing.
Pricing
Custom pricing, not listed on its site.
Where it shines
- More than 500 HubSpot implementations, and named HubSpot's Top Partner in North America three times.
- Built its own lead-routing software, so speed to lead is part of the setup.
Where it falls short
- Its work centers on HubSpot, so it's a weaker fit if you run another CRM.
- No public pricing.
Who it's best for
B2B tech and SaaS teams that need their CRM, routing, and reporting fixed before they scale inbound. Teams with a working CRM and a demand problem should look at a channel specialist.
4. Kuno Creative
Best for: Industrial, medtech, and technology companies that want brand, web, and HubSpot under one roof.
Kuno Creative is an employee-owned B2B marketing agency with more than 25 years in B2B revenue growth. It focuses on industrial, technology and SaaS, medical device, and sustainability companies. Its pitch is human-led marketing sped up with AI.
Key services
- AI marketing: Strategy, content, and operations powered by AI.
- Marketing enablement: Campaigns, technology, and automation.
- Revenue operations: HubSpot, attribution, and reporting.
- Brand experience: Design, voice, and messaging systems.
- Website design and development: New sites and rebuilds.
Pricing
Custom pricing, not listed on its site.
Where it shines
- HubSpot Diamond Partner and a past HubSpot Partner of the Year.
- Clear industry focus, including industrial and medtech buyers that many agencies don't serve.
Where it falls short
- A broad service list means you'll need to define which channel you're buying.
- No public pricing.
Who it's best for
Industrial and medtech companies that want brand, website, and marketing operations from one team. Software companies that only need demand should compare a more focused partner.
5. Ironpaper
Best for: B2B companies with long, complex sales cycles that need lead gen and ABM working together.
Ironpaper is a B2B growth agency founded in New York in 2003, with a team of 70. It aims to generate leads and revenue for B2B companies with a long or complex sales process. Its work blends inbound lead gen with account-based marketing and sales enablement.
Key services
- Lead and demand generation: Campaigns that bring in and nurture leads.
- Account-based marketing: Targets specific accounts with tailored programs.
- Sales enablement: Gives sales the material it needs to close.
- Content strategy and creation: Plans and produces content for the buying process.
- Web and digital: Builds websites around the buyer's path to purchase.
Pricing
Custom pricing, not listed on its site.
Where it shines
- Reports an 86% increase in MQLs over six months for one client.
- HubSpot Platinum Certified Agency Partner with more than 20 years in B2B.
Where it falls short
- Its published proof leans on MQLs rather than closed revenue.
- No public pricing.
Who it's best for
B2B companies with buying committees and long deal cycles that want inbound and ABM run together. Teams with short sales cycles may not need the ABM layer.
6. Sweet Fish Media
Best for: B2B marketing teams that want one partner for video podcasts, thought leadership, and customer stories.
Sweet Fish Media calls itself "Your Marketing Team's Video Team" and works with B2B content, brand, and demand gen leaders. It started as a B2B podcast agency and has since grown into full video production. It says it has served more than 450 B2B companies.
Key services
- Video podcasts: Produces your show from planning to publishing.
- Executive thought leadership: Puts your leaders on camera with a point of view.
- Customer stories and case studies: Turns client results into video proof.
- Social shorts and cut-downs: Repurposes long videos into clips for social.
- Video ads and campaigns: Produces creative for paid distribution.
- Events and live productions: Covers live and event video.
Pricing
Custom pricing, not listed on its site. It says engagements vary by client and type of video program.
Where it shines
- Says it launches a full video engine in six weeks.
- More than 10,000 videos produced, which shows real production capacity.
Where it falls short
- Video is the whole offer, so it won't build your website or search presence.
- No public pricing.
Who it's best for
B2B teams that want buyers to see and hear their experts before a sales call. Teams without people willing to be on camera should start with a written channel.
7. Content Allies
Best for: B2B companies that want a podcast to build relationships with prospects and partners.
Content Allies is a B2B podcast agency that launches, produces, and promotes shows for its clients. It treats a podcast as a revenue tool, where inviting prospects as guests works like account-based marketing. Its case studies include a podcast for Meta.
Key services
- Podcast strategy: Plans a show around business outcomes.
- Full-service production: Handles everything from guest outreach to publishing, with an engineer on every recording.
- Promotion: Covers social repurposing, podcast SEO, and paid ads for the show.
- Podcast networking: Uses guest invitations to build relationships with target accounts.
- Repurposing: Turns each episode into videos, articles, social clips, and quote blocks.
Pricing
Custom pricing, not listed on its site. It offers an ROI calculator instead.
Where it shines
- Positions the guest list as a prospecting tool, which ties the show to pipeline.
- Each episode gets turned into several content formats.
Where it falls short
- Its claim that 10% of interviews turn into a referral or customer is a projection, not a published result.
- Only covers podcasts.
Who it's best for
B2B companies selling to a defined list of accounts that want a reason to start conversations with them. Teams that need inbound volume fast should pair a podcast with a faster channel.
8. Influent
Best for: B2B tech companies that want executive LinkedIn content with paid distribution and engagement data.
Influent runs executive thought leadership programs on LinkedIn for B2B technology companies. It says more than 100 B2B brands trust it. It pairs content with Thought Leader Ads and its own engagement software, so sales can follow up on the people who engage.
Key services
- Executive selection and positioning: Picks which leaders to feature and what each should stand for.
- Content development: Writes posts for each executive.
- Distribution: Combines organic posting with LinkedIn Thought Leader Ads.
- Engagement intelligence: Uses its software, Fluentcy, to show which people and companies engage.
- Sales follow-through: Works with your team to act on that engagement.
Pricing
Custom pricing, not listed on its site.
Where it shines
- Reports that 2X got 6.4 times the qualified ICP engagement with 61% less content.
- Turns LinkedIn engagement into a list your sales team can act on.
Where it falls short
- LinkedIn only.
- It says partnerships are limited each quarter, so you may wait to start.
Who it's best for
B2B tech companies with several executives worth featuring and a sales team ready to follow up. Solo founders on a small budget will find cheaper options below.
9. Stop The Scroll
Best for: B2B founders and executives who want done-for-you LinkedIn content on a monthly plan.
Stop The Scroll is a LinkedIn marketing agency for B2B brands. Strategists learn your business, write in your voice, and run your feed. You approve posts in one queue, which it says takes 10 to 20 minutes a month.
Key services
- LinkedIn content: Done-for-you founder and executive posts.
- LinkedIn video: Native clips cut from footage you already have.
- LinkedIn ads: Paid campaigns aimed at pipeline.
- Month-to-month terms: No lock-in contract.
Pricing
From $2,950 a month for one profile, $5,950 for two, and $13,950 for a team of five. LinkedIn ads start at $2,950 a month plus ad spend, and video at $1,950 a month.
Where it shines
- Public pricing for every plan and add-on.
- Low time cost for executives once the voice is set.
Where it falls short
- Its homepage shows no client results, so ask for case studies.
- LinkedIn only.
Who it's best for
B2B and SaaS founders who know LinkedIn matters but don't have time to post. It works as a SaaS inbound marketing agency for one channel, so plan search and website work separately.
10. Windmill Growth
Best for: Early-stage B2B founders who want LinkedIn ghostwriting at a low monthly price.
Windmill Growth does LinkedIn ghostwriting and founder branding for B2B leaders. Its Growth plan targets founders from pre-seed to Series B. It says it has worked with more than 185 founders.
Key services
- Growth plan: Ghostwriting for founders starting to show up in their market.
- LinkedIn outbound: Turns LinkedIn activity into qualified sales conversations.
- Founder OS: Runs the whole channel, including content, outbound, inbox, and planning.
- Enterprise: Covers teams with more than one founder posting.
Pricing
Growth from $650 a month, LinkedIn Outbound at $999 a month, and Founder OS at $3,999 a month. Enterprise is custom.
Where it shines
- The lowest published starting price on this list.
- Reports $479K in revenue traced to LinkedIn for Platter.
Where it falls short
- Its outbound plan is outbound prospecting, not inbound.
- Built for founders, so it's a weaker fit for company pages or wider teams.
Who it's best for
Seed to Series B founders who want to build a personal brand without hiring a full agency. Larger teams with several executives should compare the team plans above.
Inbound marketing agency comparison at a glance
Most agencies here don't publish prices, which makes inbound marketing agency pricing hard to compare. The table shows each agency's main channel and starting price side by side.
How we evaluated these inbound marketing agencies
We looked for inbound marketing agencies for B2B that own a specific channel and can show it working for B2B companies. A full-service label tells you little, so we checked what each agency leads with on its own site.
- A clear core channel: Each agency leads with one channel, such as search, HubSpot, video, podcasts, or LinkedIn.
- Stated B2B focus: We checked each site for B2B buyers, industries, or clients, and flagged it where that was missing.
- Proof on its own site: We noted published results and partner credentials, and called out results that were projections.
How to choose the right inbound marketing agency for B2B
Hire the wrong kind of inbound partner and you can spend months of budget on a channel your buyers don't use. These questions help you match the agency to the gap.
Which channels your buyers use before they talk to sales
Start by finding where your buyers search and spend time before they contact you. Ask on your next sales calls, and you'll often hear more than one answer, such as a Google search, a ChatGPT prompt, a founder's LinkedIn post, or a podcast episode. Look for a channel your buyers already use where you don't show up yet, and hire a specialist for that gap. Leaning on a single channel is risky if you want to keep growing, so plan to add channels over time.
Whether they report pipeline or activity
Ask whether the agency optimizes for inbound leads, demos, and deals, or for posts, views, and MQLs. Activity numbers are easy to grow without moving revenue. Ask to see a report from a current client to check what the agency actually tracks.
Who actually runs your account
Ask who writes your strategy and who you'll talk to each week. In larger agencies, a senior person often sells the deal and an account manager runs it. That works for big implementation projects but tends to dilute strategy work.
Whether you need HubSpot at all
You only need a HubSpot partner if your CRM, routing, or reporting is broken. If those work, your money goes further with a partner that creates demand. Fix the system first when leads are getting lost, then add channels.
How pricing scales as you grow
Check how the price changes when you add a second executive, more content, or a new channel. Some LinkedIn agencies price per profile, so costs climb as more leaders post. Retainers with a fixed scope are easier to plan around than add-on menus.
Bottom line: which inbound marketing agency should you pick?
B2B inbound rarely runs on one channel. Buyers search Google and AI tools, and they follow founders and experts on LinkedIn, long before they book a call. The strongest programs cover the channels their buyers use, with a specialist for each.
For SEO and AI search, Copper Kite is the right fit. We run both as one program on the KITE framework, with third-party listicle placements and ongoing AI visibility tracking, all measured in pipeline. If your CRM itself is broken, a HubSpot partner like New Breed is a different job. If you're a founder building a personal brand on LinkedIn, Stop The Scroll handles that channel.
Book a strategy call to see which buyer searches and AI prompts you're missing, and what it would take to turn them into inbound demos.
FAQs about inbound marketing agencies for B2B
These are the questions B2B teams ask most when they compare inbound partners.
What is an inbound marketing agency?
An inbound marketing agency helps buyers find and choose you on their own, through search, content, social, and other channels they already use. That's different from outbound, where you contact prospects first. For B2B companies, inbound now includes AI search, LinkedIn, and podcasts as well as SEO and email. Our inbound marketing statistics roundup has more background on the channel.
How much does an inbound marketing agency cost?
Most inbound agencies don't publish prices and quote a custom retainer. Of the agencies on this list, published starting prices run from $650 a month for founder ghostwriting at Windmill Growth to $2,950 a month at Stop The Scroll. Full-service HubSpot and lifecycle agencies all quote custom pricing.
Do you need HubSpot to run inbound marketing?
No, you don't need HubSpot to run inbound marketing. HubSpot helps you capture, route, and report on leads, but channels like search, LinkedIn, and podcasts work with any CRM. Hire a HubSpot partner only if your CRM setup is the thing holding you back.
Should an inbound marketing agency guarantee leads?
No agency can honestly guarantee a lead count, because it doesn't control your market, offer, or sales process. Ask instead how it measures pipeline and what results it has published for similar companies. Compare its numbers against B2B lead generation benchmarks before you sign.
What's the difference between inbound marketing and demand generation?
Inbound marketing brings buyers to you when they're looking, while demand generation creates interest before they start looking. In practice the two overlap. Search captures existing demand, and LinkedIn content and podcasts create it. Many B2B teams use one partner for each.
