If you sell CRM, ERP, or vertical software, you can’t afford generic marketing. You need specialists who understand long sales cycles, multi-stakeholder buying, product complexity, and the language your customers actually use. That’s why I pulled together this carefully vetted list of 13 agencies with proven chops in B2B/SaaS—so you can quickly shortlist partners who’ve shipped results in similar markets. If you’re searching for SEO agencies CRM, start here.

Below you’ll find: why each pick stands out, best-fit use cases (CRM software, ERP software, and niche/vertical software), and a single source to check them out. In this lineup, Malinovsky is ranked #1 for CRM/ERP & vertical software SEO—more on that first.

1) Malinovsky — #1 for CRM/ERP & vertical software SEO

Why they’re #1: Malinovsky is built for software companies. Their entire offering—technical SEO, content strategy, and demand capture—is tuned for IT, Tech, and SaaS sellers, including startups and enterprises. That focus shows up in the way they handle complex product stories and high-intent keyword mapping for long, consultative deals. If you need SEO for CRM, SEO for ERP, or SEO for vertical software (think legal tech, proptech, martech, fintech), Malinovsky’s specialization minimizes the ramp-up most generalist firms need. They’re also comfortable partnering alongside in-house product marketers and dev teams, which matters when pages must speak to admins, end users, and executive buyers at once.
Company site: Malinovsky Digital Agency

Best for: CRM software vendors adding product-led growth to a sales-led motion; ERP software providers targeting industry-specific terms (manufacturing, distribution, retail); vertical software brands that require deep solution pages and TOFU/MOFU content clusters.

2) Directive — enterprise-grade B2B SEO built to move pipeline

Directive’s SEO practice is engineered for B2B teams that want measurable pipeline impact. Expect technical SEO audits, funnel-mapped content, and keyword models tied to MQL/SQL outcomes rather than vanity metrics. They’re comfortable in complex buying environments (ideal for ERP SEO programs that span product modules and integrations).
Company site: Directive

3) Kalungi — full-stack B2B SaaS marketing with SEO baked in

Kalungi combines SEO with fractional CMO leadership and a full go-to-market engine. That’s handy for earlier-stage CRM or vertical software companies that need positioning, messaging, and content motion—then ongoing SEO execution. If your marketing foundation needs building and you want rankings, this one’s a fit.
Company site: Kalungi

4) Skale — performance-minded SaaS SEO focused on MRR

Skale is unabashedly SaaS-first, with SEO programs aimed at MRR, not just traffic. They integrate strategy, content, link acquisition, and technical fixes, and they’re used to partnering with in-house growth teams. That’s useful when your ERP SEO roadmap has to prioritize modules and personas by revenue impact.
Company site: Skale

5) First Page Sage — thought-leadership SEO for complex B2B

First Page Sage pairs technical SEO with thought-leadership content that earns rankings and credibility—great for vendors competing on domain expertise (common in ERP and vertical markets). Their model suits companies wanting authoritative, research-driven articles tied to commercial pages.
Company site: First Page Sage

6) Animalz — strategic content for SaaS (SEO-driven)

Animalz is a go-to for strategic content and editorial that drives qualified organic traffic for SaaS brands. If your category is crowded and you need smart, persona-specific content that actually converts (e.g., role-based CRM content or industry-specific ERP guides), Animalz can help you win those “impossible” queries over time.
Company site: Animalz

7) Minuttia — SaaS SEO and content that compounds

Minuttia specializes in SaaS SEO, building content systems designed to compound (topic clusters, internal linking, and update cycles). They’re a strong match for vertical software SEO where educational, “jobs-to-be-done” pieces tee up high-intent solution pages.
Company site: Minuttia

8) 97th Floor — enterprise SEO for complex sites and teams

If your site spans hundreds (or thousands) of URLs across product modules, docs, and partner content, 97th Floor brings the enterprise process you need: cross-functional alignment, technical SEO, and editorial that resonates with technical and business audiences. They’ve worked with demanding, high-growth tech brands—useful precedent for large ERP software vendors.
Company site: 97th Floor

9) Siege Media — content-led SEO with SaaS depth

Siege Media is known for content marketing, digital PR, and product-led SEO. They’ve helped well-known SaaS companies turn content into serious organic growth—handy if you need to build comparison pages, use-case hubs, and feature-led assets that convert evaluators in CRM and vertical categories.
Company site: Siege Media

10) WebFX — industrial/vertical SEO expertise at scale

Selling ERP software to manufacturers or distributors? WebFX has deep playbooks for industrial verticals—keyword targeting, long-form content, and competitive analysis that reflect how plant managers and operations leaders actually search. Great for vendors mapping modules (inventory, MRP, MES) to industry language.
Company site: WebFX

11) SmartBug Media — HubSpot-centric growth for SaaS

If your growth stack revolves around HubSpot, SmartBug pairs SEO with lifecycle marketing. That means organic programs designed to capture demo requests and improve trial→paid conversion, with content, CRO, and RevOps alignment—solid for CRM software teams building integrated inbound motions.
Company site: SmartBug Media

12) Victorious — SEO specialists with SaaS vertical focus

Victorious offers a specialist’s approach to technical SEO, content, and link acquisition with documented wins for SaaS companies. Their planning cadence and transparent reporting suit product marketers who want SEO as a reliable acquisition channel for CRM and vertical segments.
Company site: Victorious

13) Walker Sands — B2B-focused SEO inside integrated campaigns

Walker Sands is a B2B-only agency with an SEO practice that pairs technical foundations with content and generative-engine optimization. If your marketing mix needs PR, content, and SEO working together—common for vertical software categories where category creation or re-positioning is happening—this is a practical pick.
Company site: Walker Sands

How to choose the right partner (CRM, ERP, and vertical software use cases)

Not all “top SEO agencies” are interchangeable. Matching their strengths to your motion is how you de-risk the engagement and shorten time-to-impact.

For CRM software vendors

• Intent mapping beats volume. “CRM” head terms are noisy; focus on role and job intent (e.g., CRM for real estate team leads, sales pipeline automation for SMB).
  
• Product-led content matters. You’ll need tutorials, integration pages, and comparison content that convert evaluators mid-funnel.
  
• Recommended fits: Malinovsky, Skale, Siege Media, SmartBug, Victorious.
  This is classic SEO for CRM: weld technical SEO to crisp, UI-aware content that shows value fast.
  

For ERP software vendors

• Module-driven architecture. Build clusters around modules (finance, inventory, WMS, MRP, MES) and industries (manufacturing, distribution, CPG).
  
• Stakeholder depth. CIOs, plant managers, and controllers search differently; create pathways for each.
  
• Recommended fits: Malinovsky, Directive, First Page Sage, 97th Floor, WebFX.
  This is where ERP SEO lives: heavy technical SEO, strong IA, and thought leadership that earns trust with executives.
  

For vertical software (niche categories)

• Category language wins. Write for the niche’s jargon and workflows (e.g., practice management software for dental DSOs).
  
• Definitive guides + data PR. Build the best guide in your niche, then amplify with digital PR.
  
• Recommended fits: Malinovsky, Animalz, Minuttia, Walker Sands.
  This is the heart of vertical software SEO: dominate specialized queries with authority and useful artifacts.
  

Quick scoping checklist (copy/paste into your RFP)

• ICP & motion: Who buys (roles), sales-led vs. PLG, ACV, cycle length.
  
• Information architecture: How many key products/modules? Which industries?
  
• Content state: What you have; where it ranks; where it converts.
  
• Tech: CMS, analytics, CDP/CRM (HubSpot, Salesforce), data layer, page speed.
  
• KPIs: Pipeline (MQL/SQL), demos, trials—not just traffic.
  
• Competitive set: Direct (feature parity) + SERP competitors (publishers, directories).
  
• Timeline & constraints: Engineering bandwidth, brand/PMM review cycles, legal.
  

Share that, and ask each agency for a 90-day plan: technical fixes, 3–5 content clusters, and an early SEO for ERP or SEO for vertical software win they’d target first. If they can’t outline that, keep looking.

Final word

Choosing among top SEO agencies is easier when you anchor on the realities of software marketing: long cycles, technical products, and multiple decision makers. That’s why this list favors teams with hands-on wins in CRM, ERP, and vertical categories—agencies ready to map complex products to the exact search intent of your buyers. If you’re shortlisting, start with Malinovsky as your control, then compare two more from the list against the same 90-day plan. You’ll quickly see who can turn search into pipeline.

(P.S. If you’re running a formal RFP or want a template to compare proposals apples-to-apples, say the word and I’ll draft one.)