The best SEO agency in the US pairs verifiable SEO case studies and a clearly defined client stage with documented GEO and AEO capability, not just a blog program and an “AI” badge added in 2025. To build this ranking, we reviewed 50+ agencies against six criteria and shortlisted 12 providers with named clients and published results. GrowPad ranks first for 500K–20M ARR teams that want SEO, GEO, and AEO in one program.
Organic growth for startups in 2026 is harder to attribute and easier to fake than it was two years ago. Traffic dashboards still look clean while demo pipelines stall. AI Overviews intercept high-intent queries before anyone clicks. ChatGPT and Perplexity answer software evaluation questions without ever surfacing your site. And the agency that has run your blog for eighteen months may have no idea this is happening.
Here are the 12 best SEO & GEO agencies in the US in 2026 that made our shortlist:
- GrowPad
- Siege Media
- Scalerrs
- Snezzi
- First Page Sage
- SimpleTiger
- Skale
- LoudFace
- Breaking B2B
- Rock The Rankings
- Animalz
- Kalungi
Top 3 at a Glance
| Agency | Best for | Starting price |
| GrowPad | Growth-stage B2B and tech (500K–20M ARR), SEO + GEO + AEO combined | $3,000+/month |
| Siege Media | Content authority at scale for B2B: links, GEO, and digital PR | $10,000+/month |
| Scalerrs | Mid-market to enterprise B2B & Tech (PLG + sales-led), SEO + AEO + Reddit in one program | Custom |
How We Evaluated These Agencies
We shortlisted 12 of the 50+ US-market agencies that claim SEO or GEO expertise, using desk research only: agency websites, published case studies, Clutch and G2 profiles, and public pricing. Case-study figures are the agencies’ own reported results.
- Case studies: a named client and a pipeline or revenue metric, not only traffic. Checked on agency case-study pages.
- Reviews: at least five Clutch or G2 reviews, with recent activity. Checked on Clutch and G2.
- GEO and AEO capability: a documented method and tracked AI citations across ChatGPT, Perplexity, Gemini, Claude, or Google AI Overviews. Checked in case studies and service pages.
Agencies meeting fewer than two criteria were removed. The order of the list is our editorial judgment of fit for growth-stage B2B, not a numeric score. Data was collected in September and October 2026. Links to documented GEO and AEO services and to each agency’s sources sit next to the figures.
Full Comparison Table
| Agency | Best for | Starting price | Clutch rating | Key differentiator |
| GrowPad | B2B tech (500K–20M ARR), SEO + GEO combined | $3,000+/month | 5.0★ (38 reviews) | 4 Clutch 2026 distinctions, B2B and tech clients only |
| Siege Media | Content authority, links, and GEO at scale | $10,000+/month (intake form) | 4.9★ (48 reviews) | Inc. 5000 six years, Zapier 47.2K AI Overview citations |
| Scalerrs | Mid-market to enterprise B2B & tech (PLG + sales-led), SEO + AEO + Reddit combined | Custom | 5.0★ (6 reviews) | US-based; Qrvey pipeline $740K → $1.5M in 1 year; Default ~30% of pipeline from AEO/SEO |
| Snezzi | B2B teams seeking an AI search platform with optional managed execution | $500/month for platform; managed execution from $1,999/month | Not yet reviewed | Platform-first model combining AI visibility tracking, content workflows, reporting, and optional done-for-you AEO execution |
| First Page Sage | Enterprise B2B category leadership | $10,000+ min. project (Clutch) | Not yet reviewed | 17+ years in B2B SEO |
| SimpleTiger | PLG B2B, revenue-tied SEO + AI search | 5% of revenue or funding | 4.9★ (32 reviews) | Invoca 41:1 ROI, $3M pipeline in 10 months |
| Skale | MRR-focused, signup and SQL attribution | $5,000+ min. project (Clutch) | 4.9★ (16 reviews) | AI Brand Mentions service, Jitter AI mentions 5 → 467 |
| LoudFace | Series A–C B2B on Webflow | $5,000+/month | 4.8★ (2 reviews) | SEO, AEO, and Webflow development in one team |
| Breaking B2B | BOFU-heavy B2B, $50K+ ACV | $4,000+/month | Not on Clutch | Founder-led BOFU method with clients like Chili Piper, RB2B, and ClickHouse |
| Rock The Rankings | Founder-led B2B, programmatic SEO | $4,500+/month | 5.0★ (14 reviews) | Bizzabo 3× MQLs, +210% traffic |
| Animalz | Enterprise B2B thought leadership + AEO | $10,000+ min. project (Clutch) | Not yet reviewed | Google, Zendesk, Airtable clients |
| Kalungi | Pre-Series B2B needing a fractional CMO | $2,500+/month (coaching) | Not yet reviewed | T2D3 playbook, CPGvision $4.7M pipeline |
1. GrowPad: Best for Growth-Stage B2B & Tech Teams
GrowPad is an inbound growth agency and B2B SEO company founded in 2020, registered in Alicante, Spain, with a second office in Dnipro, Ukraine. GrowPad runs SEO, GEO, AEO, and link building as one program, and every link placement passes a three-point check: domain relevance, traffic quality, and editorial standards.
Who It’s Best For
- Business type: B2B tech companies in fintech, healthtech, edtech, developer tools, legal, HR and compliance tech, and IT services
- Stage: Seed to Series B, with separate programs for pre-seed and seed, Series A, and Series B+
- Regions and language: English-language work for North America, the EU, and MENA
- Pain points: commercial pages stuck below the top 5, traffic that does not convert, unpredictable inbound, keyword cannibalization, and low visibility in AI search
- Not ideal for: B2C eCommerce, or teams that want a hands-off vendor
Case studies
- NetHunt CRM: +25% SQLs from organic search in six months. Priority pages moved from top-20 to top-5, and new MRR grew while total organic sessions fell.
- Logistics software developer, under NDA: monthly LLM brand mentions grew from about 75 to 586, ChatGPT mentions went from zero to 238 in one month, and the brand reached top 1–2 positions in ChatGPT, Perplexity, and AI Overview.
- CHI Software: Domain Rating 42 → 55, 3× more Google top-3 positions, and 15–20% of traffic from AI search.
- Fintech payment: priority pages moved from #20–30 to the top 5 in five months, and organic MQLs doubled.
- Intellias: 2× SEO traffic and 1.5× MQLs over two years, according to a Clutch review by Global Marketing Director Solomiya Zinko.
Awards & status
Five Clutch badges: Top SEO Company for IT, for SaaS, and for Spain, plus Top Link Building Company in Spain. Clutch Premier Verified.
Clutch focus and reviews
When we checked GrowPad’s Clutch profile on October 9, 2026, SEO made up 90% of its listed services, and GEO was 60% of that SEO work, while content marketing and digital strategy were 5% each. Its 38 reviews average 5.0, and eight are from 2025–2026, the latest from July 2026.
Pricing: from $3,000/month, or $50–99/hour on Clutch.
Our take
GrowPad fits B2B teams whose organic traffic does not turn into demos and who want SEO, GEO, AEO, and link building in one retainer. In our review it had one of the most SEO- and GEO-focused Clutch profiles on this list. The case studies are GrowPad’s own, so ask for client references as you would with any agency here.
→ Get a free AI search audit from GrowPad
2. Siege Media: Best for B2B Content Authority at Scale
Austin-based Siege Media was founded in 2012 by Ross Hudgens and has 50–249 employees. It combines content marketing, SEO, digital PR, and affiliate content, and reports client visibility in LLMs with Peec AI.
Who It’s Best For
- Business type: B2B, fintech, e-commerce, health, travel, education, real estate, and cybersecurity
- Stage and size: companies with 50+ employees or $5M+ in revenue or funding. The lowest budget option on its intake form is 10,000–15,000/month
- Regions and language: English, with a US-based team and US time zones
- Pain points: SEO playbooks that stop working in AI-first search, and earning AI mentions and citations
- Not ideal for: early-stage teams under $10K a month, or teams that need GEO more than content volume
Case studies
- Zapier: 47.2K AI Overview citations, 21K+ linking root domains from Siege content, +290% monthly organic traffic, and a $7.2M increase in blog traffic value. Zapier appears in 96% of industry-specific LLM queries, per Peec AI.
- Hebbia: LLM visibility from 9.94% to 42.17% and organic traffic +192%.
- Zendesk: +657% blog organic traffic, a $959K traffic value increase, and 98% LLM visibility for relevant queries.
- Zoom: 673 conversions from Siege content and $1.9M in traffic value.
Awards & status
Inc. 5000 six years running, 2017–2022. Clutch Premier Verified.
Clutch focus and reviews
On Siege’s Clutch profile, SEO and content marketing are 30% each of listed services, followed by affiliate marketing, PR, and social. GEO is 35% of the SEO line. It holds a 4.9 rating from 48 reviews, but when we checked, only three were from 2025–2026, and most date from 2019–2022.
Pricing: no public price list. The intake form starts at 10,000–15,000/month, and Clutch lists a $5,000+ minimum project at $100–149/hour.
Our take
Of the case libraries we read during our research, Siege’s had the most AI visibility data per client: all four case studies above report LLM or AI Overview metrics. Two things to weigh: few reviews since 2022, and a service mix where affiliate, PR, and social take a large share alongside SEO.
3. Scalerrs: Best for Enterprise B2B Seeking AI Search, Reddit, and SEO Tied to Pipeline

What separates Scalerrs is that AI search sits at the center of the program, not bolted onto an SEO retainer. One dedicated pod runs AEO, third-party “best of” listicle placements, white-hat Reddit marketing, YouTube, and traditional SEO as a single system aimed at the sources AI models already cite.
Case Study: Qrvey – Pipeline Doubled From $740K to $1.5M in One Year
Qrvey, an embedded analytics B2B, ran Reddit, SEO, and AEO with Scalerrs as one program. The result: 400% growth in organic clicks and a pipeline that doubled from $740K to $1.5M in twelve months. Case studies are published here. For Default, roughly 30% of pipeline now comes from AEO/SEO and AI search, including 2,771 AI citations in 14 days.
Awards & Status
Clutch: 5.0★ from 6 verified reviews. Review volume is modest, so the stronger signal is the case study library, where every result is attributed to a named client.
Client Fit
- Best for: Mid-market to enterprise B2B and tech companies, PLG or sales-led, that want Google, AI search, and Reddit run by one team
- Not ideal for: Pre-PMF startups, e-commerce and other non-SaaS businesses, or teams whose primary growth lever is paid media
- Typical client ARR: $500K–$100M+
- Pricing: Custom pricing; month-to-month, no minimum contract
Our Take
Scalerrs is the pick on this list for B2B teams whose buyers now research in ChatGPT and Reddit before they ever reach Google. Few agencies run white-hat Reddit, AEO listicle placements, and technical SEO out of the same pod. Direct Slack access with a 30-minute response guarantee and month-to-month terms suit marketing leaders who report upward. Enterprise accounts add a security review, QBRs, and a dedicated pod.
4. Snezzi: Best for B2B Teams Wanting an AI Search Platform
Snezzi is an AI Search Optimization Platform with an optional managed service. It helps brands earn citations across ChatGPT, Perplexity, Google AI Overviews, and Claude. Teams can use the software directly to track buyer questions, inspect competitors and the sources AI answers cite, prioritize recommendations, create content and review performance. Done-for-you AEO execution is available as an add-on with an agreed scope.
The platform tracks ChatGPT, Claude, Perplexity, Google AI Overview, Google AI Mode and Gemini, with weekly tracking by default and daily tracking available. It separates brand appearances from the sources cited in answers, so a team can see both whether the brand is mentioned and which sources the answers rely on.
Case Study
Enterprise AI-Agent Platform — 0 to 34.5% AI Visibility, 7,733 AI Citations in 12 Weeks. For an enterprise AI-agent platform (US-based, Series A), Snezzi delivered a rise in AI visibility from 0% to a 34.5% peak and 7,733 AI citations within 12 weeks, while the site went through a full migration. Case study documented here. Enterprise demo requests from AI search and organic grew 5X, influenced pipeline reached $2.4M, and Google Search impressions grew 312%. This was a done-for-you engagement, and the results are specific to that client.
Client Fit
- Best for: B2B teams that want AI visibility data, content and reporting workflows in one platform, with the option to add managed delivery
- Not ideal for: Small businesses that only need inexpensive monitoring; teams that expect guaranteed citations, rankings or lead timelines
- Pricing: $500/month or $5,000/year for the platform; managed execution from $1,999/month; a 7-day trial is available through assisted onboarding
Our Take
Snezzi is the platform-first option on this list: a team can run it themselves and add managed work only when needed. The trade-offs are that the $500/month entry price is higher than a basic monitoring tool, and self-serve customers still need someone to prioritize, review and implement the recommendations. Citations, rankings and lead timelines are not guaranteed, so ask for the managed scope in writing before comparing it with an agency retainer.
5. First Page Sage: Best for Enterprise B2B Category Leadership and Thought-Leadership SEO
Berkeley, California-based First Page Sage has done B2B SEO and content since 2009 and launched a GEO service in May 2023. It pairs technical SEO with research-heavy thought leadership. Its GEO study, first published in March 2024, analyzed 11,128 generative AI queries and was updated with 2026 data in July 2026.
Who It’s Best For
- Business type: B2B and tech, including enterprise software, cybersecurity, fintech, DevTools, HR, sales and marketing software, healthcare software, IoT, and AI platforms
- Stage and size: mostly mid-market and enterprise. Client logos include Salesforce, Logitech, Verizon, and US Bank
- Pain points: complex products in crowded categories that need pipeline from organic and AI search
- Not ideal for: early-stage teams that need fast results
Case studies
- AI writing assistant, unnamed: the share of 620 tracked prompts citing the client rose from 23% to 77%, AI-sourced leads from 37 to 1,090 a month, and qualified leads from 214 to 2,640 a month.
- Nearshore software developer, unnamed: AI recommendation share from 9% to 57% by year three, measured with Profound, and about $5.3M a year in new revenue.
- Cadence Design Systems: +934% total keyword rankings over one year and 100,000+ organic sessions a month in Q1 2021.
Clutch focus and reviews
First Page Sage’s Clutch profile lists SEO at 65% of services, content marketing at 25%, and CRO at 10%, with no separate GEO line. The profile has no reviews yet.
Pricing: no public price list, and Clutch lists a $10,000+ minimum project. Its own research reports a 702% average ROI over three years for B2B SEO clients.
Our take
Its GEO case studies report prompt-level citation shares and name the tracking tool, the kind of measurement we looked for across all 12 agencies. Its clients are unnamed and its Clutch profile has no reviews, so ask for references before signing.
6. SimpleTiger: Best for PLG with Revenue-Tied Organic Growth
Sarasota, Florida-based SimpleTiger has worked mainly with B2B since 2006 and occasionally takes on non-SaaS projects. It reports an AI Search Share of Voice metric across ChatGPT, Perplexity, Claude, and Gemini as a standard deliverable, and holds HubSpot, Google, and Webflow partner badges.
Who It’s Best For
- Business type: B2B, AI companies, and marketplaces
- Stage: seed-funded startups, Series A, mid-market, and enterprise
- Pain points: organic search that is not tied to revenue, and low visibility in AI search
- Not ideal for: pre-revenue startups or non-B2B businesses
Case studies
- Invoca: 41:1 ROI in the first 10 months, $3M+ in revenue from AI and organic search in 2025, $500K+ in new pipeline from AI search alone, and a 22.5% AI search share of voice.
- Gelato: +1,200% first-page keywords and 75,000 new ranking keywords in 12 months, with a 3:1 ROI.
- ContractWorks: organic traffic +98% in 5 months, +258% in 12 months, and +500% in 36 months.
Awards & status
Fall 2025 Clutch Champion, Clutch Global Awards in Fall 2025 and Spring 2026, and Clutch 1000 and Best of Clutch Digital Marketing 2025 badges.
Clutch focus and reviews
On SimpleTiger’s Clutch profile, SEO is 50% of listed services, PPC 25%, content marketing 20%, and web design 5%, with no separate GEO line. It holds a 4.9 rating from 32 reviews, and 20 of the 30 we read are from 2025–2026, the latest from August 2026.
Pricing: packages start at 5% of revenue or funding. Clutch lists a $5,000+ minimum project at $200–300/hour.
Our take
SimpleTiger had the most 2025–2026 Clutch reviews of the 12 agencies we checked, and its Invoca case ties AI share of voice to pipeline. PPC takes a quarter of its listed services, so confirm the SEO and GEO team you would get.
7. Skale: Best for MRR-Focused B2B That Needs Signup and SQL Attribution
London-based Skale was founded in 2019 by Jake Stainer, who built Typeform’s growth marketing team and later led demand generation at TravelPerk, and Italo Viale. It calls itself an AI-search-first organic growth agency for B2B and reports on new MRR rather than rankings. Its AI Brand Mentions service earns the third-party mentions that LLMs cite.
Who It’s Best For
- Business type: B2B and tech companies. Skale says it has worked with 60+ B2BS brands
- Size: mainly mid-market companies and small businesses
- Regions and language: English, plus Spanish-language work for the Spanish market
- Pain points: organic channels judged on traffic instead of signups, SQLs, and MRR, and brands missing from AI answers
- Not ideal for: teams that want thought-leadership content as the main output
Case studies
- Jitter, motion design: brand mentions in AI answers from 5 to 467, domain citations from 5 to 449, and AI share of voice from 10% to 18%.
- deBridge: AI brand mentions +133%, prompt coverage +65%, and domain citations +61%.
- Holded, Spanish accounting: +1,370% organic non-branded signups, +1,650% paid subscriptions from organic, and +279% revenue from organic.
- Rezi: +86% revenue in 18 months.
Clutch focus and reviews
On Skale’s Clutch profile, generative AI is 45% of listed services and SEO 25%, with content marketing, CRO, and strategy at 10% each. GEO is 30% of the SEO line. That makes it one of the most AI-search-focused profiles we reviewed. It holds a 4.9 rating from 16 reviews. Nine are from 2025 and none from 2026, the latest from June 2025.
Pricing: no public price, and Clutch lists a $5,000+ minimum project.
Our take
Skale publishes AI mention and citation counts for named clients, and its reporting is tied to MRR. When we checked Clutch it had no reviews from 2026, so ask for recent references.
8. LoudFace: Best for Series A–C B2B on Webflow That Needs AEO From Day One
LoudFace was founded in 2019 by Arnel Bukva and has offices in Dubai Silicon Oasis and San Francisco. A Webflow Enterprise Partner, it builds sites and runs SEO and AEO in the same team, and it reports AI visibility for clients and for itself with Peec AI.
Who It’s Best For
- Business type: B2B, fintech, cybersecurity, developer tools, healthcare, HR tech, EdTech, and AI startups
- Stage: funded companies at Series A–C
- Regions: the Middle East, Europe, and North America
- Pain points: SEO work stalled by hand-offs to an internal dev team, and low visibility in AI answers
- Not ideal for: teams that need paid media, or a large account team
Case studies
- Toku, stablecoin payroll: Peec AI visibility of 97.8% on “Best stablecoin payroll providers?” and 93.4% on a crypto and Web3 payroll prompt, as of August 2026.
- Stealth fintech, B2B payments: Peec AI visibility from 0.53% to 8.00%, average mention rank from 6.0 to 1.6, and Google AI Overview visibility from 2.9% to 14.6%.
- TradeMomentum, trading education: non-branded share of AI answers from 3.5% to 9.7% and 8.3× weekly Google clicks year over year.
Awards & status
Webflow Enterprise Partner since 2024, Awwwards Honorable Mention.
Clutch focus and reviews
On LoudFace’s Clutch profile, CRO and SEO are 30% each of listed services, web design and web development 15% each, and no-code 10%, with no separate GEO line. It has two reviews averaging 4.8, both posted in September 2026.
Pricing: engagements from $5,000/month, and Clutch lists $150–199/hour.
Our take
LoudFace showed the most detailed AI visibility reporting we saw during our research: prompt-level Peec AI figures with dates. It is a small team with only two Clutch reviews, so check references before shortlisting.
9. Breaking B2B: Best for BOFU-Heavy B2B with High-ACV Deals
Breaking B2B is run by Sam Dunning, host of the Breaking B2B podcast. It focuses on bottom-of-funnel SEO, comparison pages, and video that bring demos and pipeline rather than traffic, and it puts senior SEOs on every account. Named clients include RB2B, Chili Piper, ClickHouse, Proposify, and Checkwriters.
Who It’s Best For
- Business type: B2B only, and service companies in healthtech, martech, fintech, financial services, logistics, and construction
- Stage: from early-stage B2B companies to funded scale-ups, excluding local businesses
- Pain points: organic traffic that does not turn into demos and pipeline
- Not ideal for: top-of-funnel brand programs. Minimum term is 6–12 months
Case studies
- Chattermill: AI mention rate from about 20% in January to 80% in May, and about 3× more enterprise RFPs.
- VerifyTreatment, healthtech: monthly demos from 5 to 32 between October and February.
- RB2B: +77% non-branded traffic in six months.
Pricing: tailored plans from $4,000/month, and growth tiers run from $5,500 to $20,000+ a month.
Our take
Breaking B2B has one of the clearest BOFU positions in the market, and its Chattermill case links AI mentions to enterprise RFPs. Several of its case studies give no timeframe or tracking tool, and it has no Clutch reviews, so ask for two or three direct references.
10. Rock The Rankings: Best for Founder-Led B2B with Programmatic SEO Depth
Charlotte, North Carolina-based Rock The Rankings was founded in 2019 and works only with B2B and tech companies. It combines programmatic SEO with a three-layer “GEO Stack” method aimed at AI citations and demo requests. Engagements start with a 90-day term and then run month to month with 30 days’ notice.
Who It’s Best For
- Business type: B2B and tech in healthtech, fintech, martech, and HR tech
- Stage and ARR: Series A–C with 2M–100M+ ARR, plus bootstrapped companies at 2M–10M ARR
- Regions and language: English, with North America first, EU tech hubs second
- Pain points: brands missing from AI answers, and AI search traffic undercounted in attribution
- Not ideal for: pre-seed or pre-PMF companies, B2C brands, and local businesses
Case studies
- Rasa, Series C conversational AI: sessions from AI assistants 8.3× and demo requests from AI search and Google 2.3× in one quarter.
- Keragon, seed-stage healthcare automation: AI answer visibility on buying prompts from 3% to 68%, and organic visitors from 50 to 11.7K over three years.
- Bizzabo: 3× MQLs and +210% organic traffic.
- MoonPay: 130+ links and 30+ rankings in positions 1–3.
Clutch focus and reviews
On Rock The Rankings’ Clutch profile, SEO is 100% of listed services, split across content, link earning, and on-site work at 30% each, with no separate GEO line. It holds a 5.0 rating from 14 reviews, but only one is from after 2022, and older reviews include travel and tourism clients.
Pricing: strategy and consulting from $4,500/month on the 90-day rate, and done-for-you programs from $7,650/month.
Our take
In our review it had the only Clutch profile listed as 100% SEO, and its newer case studies report AI visibility and demos. Most of its Clutch reviews are from 2020–2022, so ask for current references.
11. Animalz: Best for Enterprise B2B Thought Leadership and Editorial Depth
Animalz started in New York in 2015 and is now a remote team spread across the US, Europe, and Asia. It writes research-backed long-form content, offers an AEO service, and in May 2026 launched AirOps implementation services for AI content engines. It also publishes two free tools: Revive for content refreshes and an SEO forecasting tool. Client logos include Google, Airtable, Amplitude, Amazon, and SimpleLegal.
Who It’s Best For
- Business type: B2B, venture capital firms, and tech companies in fintech, healthcare, and developer tools
- Stage: companies starting out or scaling up
- Pain points: low AI visibility, content decay, and slow-compounding organic growth
- Not ideal for: teams that need content tied to pipeline or revenue figures
Case studies
- Amplitude: organic traffic from about 7K a month in 2015 to 150K+ by the end of 2024, over a ten-year content partnership.
- SupportLogic: +500% qualified organic traffic and +450% keyword footprint in 12 months.
- SimpleLegal: +515% average traffic to refreshed articles.
- AirOps launch results, unnamed B2B client: AI share of voice from 12% to 54% and citations from 21 to 700+ a month.
Clutch focus and reviews
Animalz is listed on Clutch but has no reviews. Its self-entered service split puts SEO at 20%, level with branding, content marketing, content writing, and video.
Pricing: no public price, and Clutch lists a $10,000+ minimum project at $150–199/hour.
Our take
Animalz is the strongest editorial option here for long-form thought leadership, and its AirOps work adds AI citation results. Its named case studies report traffic rather than pipeline, and it has no Clutch reviews, so confirm through reference calls how its content converts.
12. Kalungi: Best for B2B Needing a Full Marketing Team
Kalungi was founded in 2018 by Stijn Hendrikse and Fadi George and is based in the Seattle area, with its office in Kirkland, Washington. It is an outsourced B2B marketing team led by a fractional CMO, and it reports 280+ B2B clients. Its T2D3 playbook is published as a book and a masterclass, and its SEO service includes earning citations in ChatGPT and Perplexity.
Who It’s Best For
- Business type: B2B only, across 20+ industries
- Stage and ARR: T2D3 for pre-PMF and seed companies, Syntropy for $1–5M, and Full Service for $5–50M
- Regions and languages: North America, with English, Spanish, French, Dutch, and Arabic, per its HubSpot listing
- Pain points: no in-house marketing team, and unpredictable pipeline
- Not ideal for: teams that only need SEO or already have a strong CMO. Minimum engagement is 6–12 months
Case studies
- CPGvision: $4.7M in pipeline in 16 months, +533% first-page search results, and +603% organic traffic.
- DataGuard: $4M in pipeline, +330% MQLs, and +581% organic traffic.
- Patch: +1,500% MQLs and +833% website visits.
Awards & status
HubSpot Diamond Solutions Partner, with 32 HubSpot reviews averaging 5.0, and a Google Partner badge on its homepage.
Clutch focus and reviews
Kalungi is listed on Clutch but has no reviews. Its listed services are content, CRO, digital strategy, and marketing strategy, with no SEO line.
Pricing: CMO coaching from about $2,500/month, and Full Service from $50,000/month.
Our take
Kalungi is a fractional marketing leadership model, not a channel retainer, and its published playbook makes its method easy to inspect. Its reviews live on HubSpot rather than Clutch. For a founder with product-market fit and no marketing function, it is the most structured option here. Teams that only need SEO and GEO should look at the agencies above.
Final Verdict
The US B2B SEO market in 2026 splits into clear tiers, and agencies now compete on AI search proof as much as on rankings.
- Growth-stage B2B (500K–20M ARR), SEO + GEO + link building under $10K/month: GrowPad, for its combined method and B2B Clutch record.
- Content authority at enterprise scale: Siege Media, with the strongest outside validation and the 47,200 Zapier AI Overview citations.
- Pipeline-attributed organic growth: Scalerrs and Skale.
- Enterprise full-funnel accountability: Directive, with 56 Clutch reviews and CRM-linked case studies.
- Founder-led delivery under $5K/month: Rock The Rankings and Breaking B2B.
Whatever the tier, avoid agencies that relabeled content production as GEO without changing how they measure. Ask each one what it tracks for AI citations and how it ties that to pipeline. A ChatGPT screenshot is not a method.
→ Get a free AI search audit from GrowPad
Frequently Asked Questions
What is the difference between a B2B SEO agency and a general SEO agency?
A B2B specialist understands subscription revenue, product-led funnels, long B2B sales cycles, and the difference between a visitor, a trial, and a qualified demo. Generalists optimize for traffic, while B2B specialists optimize for pipeline and report that link to your CRO and CFO.
What do B2B SEO and GEO services cost in the US in 2026?
Published starting points among the agencies here run from about $2,500/month for Kalungi’s CMO coaching and $3,000/month for GrowPad to 4,000–4,500/month for Breaking B2B and Rock The Rankings, $5,000/month for LoudFace, and $10,000/month for Scalerrs and Siege Media. SimpleTiger prices at 5% of revenue or funding. Directive, First Page Sage, Skale, and Animalz publish no prices, and Clutch lists minimum projects of 5,000–10,000 for the last three. Managed GEO quoted well below $1,500/month is usually SEO with FAQ schema added, not citation building.
How long does B2B SEO take to show pipeline impact?
Most B2B SEO agencies quote 6–12 months for meaningful pipeline. Technical and on-page fixes can move rankings in 60–90 days, and AI citation gains can come faster: GrowPad reports 75→586 LLM mentions in 90 days. Promises of results in 30 days usually track metrics that do not reach pipeline.
How do I verify that a GEO or AEO agency gets AI citation results?
Run three checks. Ask for a before/after citation metric for a named client, with the AI platforms and the time frame. Ask which tool measures it: Profound, Peec AI, Otterly, or a proprietary system, because screenshots are not measurement. Then run a live prompt about the agency’s own category in ChatGPT and Perplexity.
Which AI platforms matter most for B2B visibility in 2026?
The main ones are ChatGPT, the most used assistant for work queries, and Perplexity, with a research-heavy, technical audience. Google AI Overviews and AI Mode answer before a click, and Gemini is growing with Google Workspace. Claude and Bing Copilot matter for specific audiences. An agency tracking fewer than four of these misses part of your AI visibility.
Does it matter if the agency is based in the US?
Less than B2B expertise and time-zone overlap. Skale is UK-based and GrowPad is Spain-registered, and both serve US B2B clients. Choose the team that understands your category, your buyers’ search behavior, and how to tie organic work to pipeline.
What should I ask a B2B SEO agency before signing?
Ask for a client in your vertical with a pipeline outcome you can verify, and for the tool and metric the agency uses to measure AI citation growth. Then check who will work on your account after signing, the minimum term and exit clause, and what the first 90 days deliver and require from your team.


















