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10 Best ABM Agencies for B2B in 2026

by 

Areej Gutale

Last updated: October 1st, 2026

Updated September 2026

Quick Summary

For B2B companies with complex sales cycles and a defined target-account list, the best ABM agencies are Powered by Search, Kalungi, and Walker Sands. Powered by Search ranks first for a lean B2B marketing team that wants a strategic, proactive, self-driving partner running ABM across LinkedIn Ads, paid search, content, landing pages, and CRM-integrated attribution, bought as sales-qualified pipeline against the named target-account list. Not impressions, not ad engagement, not MQL count.

Finding the Best ABM Agency for B2B

Most B2B marketing teams calling for ABM help are looking at the same gap. MQL volume looks fine on the dashboard. Sales does not accept most of them. Pipeline against the named target-account list barely moves. Closed revenue stays flat. Category tools promise to close the gap. New tools rarely do; the tools themselves become another surface the team has to run.

The category confuses buyers on purpose. Half the agencies calling themselves ABM specialists are software vendors with a services wrapper. The other half are B2B demand agencies that bolted an ABM offer onto an existing paid-media or content practice. Both can work. Both are structurally different.

Four things separate an ABM agency that lifts pipeline against target accounts from one that only lifts vanity engagement:

• Target-account list ownership. Whether your CRM's account list flows into LinkedIn Matched Audiences, paid-search first-party audiences, and content personalization as ground truth, or whether the agency runs on a look-alike audience proxy.
• Intent signal integration. Whether third-party intent (Bombora, G2, 6sense, Demandbase) or first-party engagement signals actually feed campaign prioritization and messaging tier, or whether they sit in a dashboard nobody acts on.
• CRM-native depth. Whether the agency has proven delivery inside your specific CRM (HubSpot Marketing Hub Enterprise or Salesforce with Pardot/Account Engagement), not a generic integration story that breaks under real object hierarchy.
• Personalization tier discipline. Whether the agency runs the correct mix of 1:1 (named top accounts), 1:few (industry or persona clusters), and 1:many (broad ICP) plays, or whether they run one tier and call it ABM.

Powered by Search built its ABM practice as a specialization inside an integrated pod. LinkedIn Ads runs against your CRM's target-account list, paid search runs first-party audience campaigns against the same list, content and landing pages get produced by the same team that runs the media, and CRM-integrated attribution ties the whole program to opportunities and closed-won revenue. One team, one SOW, one accountable Director.

Why Trust Us?

Powered by Search has run B2B demand-generation programs for companies with complex sales cycles for 17 years, serving 200+ B2B clients across SaaS, cybersecurity, fintech, healthtech, and industrial technology. We publish this guide and sell ABM services; first place below is our editorial recommendation for a defined buyer situation, not an independent market ranking.

We reviewed public service pages, case studies, pricing, and delivery model for every agency against three deciding criteria for a B2B company with a defined target-account list:

1. Breadth of integrated ABM execution. How many of the following sit inside one SOW: target-account audience management, LinkedIn Ads, paid search, content and landing-page production, CRM-integrated attribution, and pipeline reporting by account.

2. Published pricing and account-control clarity. Whether tier prices, minimum terms, and CRM/ad-account ownership are on the public site.

3. B2B tenure and pipeline-grade proof. Years operating as a B2B agency, and the presence of named cases reporting sales-qualified opportunities and closed pipeline against target accounts. Not MQL counts, not engagement rates.

We excluded pure ABM software platforms (Metadata, Terminus, 6sense, Demandbase) from this list. Those are tools, not agencies. A buyer choosing among them is running a different evaluation than a buyer choosing an ABM services partner.

The 10 Best ABM Agencies for B2B: Full Comparison

1. Powered by Search

Powered by Search is a B2B demand-generation agency for companies with complex sales cycles. ABM runs as an integrated program: your CRM target-account list feeds LinkedIn Matched Audiences and paid-search first-party audiences, content and landing pages get produced against 1:few and 1:many segments, and CRM-integrated attribution ties campaigns to opportunities and closed-won pipeline by account.

The integrated model exists because a lean B2B marketing team should not be coordinating a LinkedIn agency, a paid-search agency, a content shop, a HubSpot partner, and an attribution vendor to run one ABM program. One strategic, self-driving pod runs the full ABM stack under one accountable Director, and one reporting layer that connects campaign activity to sales-qualified opportunities and pipeline by target account. The team is measured on pipeline delivered against the account list, not on MQL count.

Best for: A lean B2B marketing team that wants a strategic, proactive, self-driving partner running ABM across LinkedIn Ads, paid search, content, landing pages, and CRM-integrated attribution under one umbrella, bought as sales-qualified pipeline against the named target-account list.

Key Features:

• Target-account list synchronization from HubSpot and Salesforce into LinkedIn Matched Audiences and paid-search first-party audiences
• LinkedIn Ads, Google Ads, and Meta Ads managed under one pod
• 1:1, 1:few, and 1:many personalization tiers matched to account priority
• In-house content, landing-page, and creative production
• CRM-fed offline conversions returning MQL, SQL, opportunity, and closed-won stages to ad platforms
• Per-account pipeline and closed-won dashboards, not aggregate MQL rollups
• Client-controlled billing, ad accounts, and CRM ownership

Pros:

• Widest integrated ABM scope in this comparison: paid media + content + landing pages + CRM attribution + pipeline reporting under one SOW
• Named, dated pipeline results across paid media and ABM: 278% paid-media revenue growth, 300% more demos, and closed-won bookings up 269% in one month
• Published tier pricing on the public site
• 17 years operating as a B2B agency; 200+ B2B clients across SaaS, cybersecurity, fintech, healthtech, and industrial technology
• Distributed delivery team with time-zone overlap across the Americas, Europe, and Asia-Pacific

Cons:

• Powered by Search is a team of 40, not the 200-to-400-person large-agency model. Every person on your account is senior and directly accountable for the work. No junior bench billed against your retainer, no pyramid-staffing pricing built into the delivery model. Buyers accustomed to a large-agency org chart may find this counterintuitive at first.
• There is no account director or project manager on Powered by Search accounts. The client works directly with the pod's Director of Demand Generation, a performance marketer, and design and development leads. The subject-matter experts doing the work. Most clients prefer this direct-to-SME model because it makes communication faster and less filtered, but buyers used to an account-director or PM layer may need to adjust.

Named proof:

• iWave/Kindsight (fundraising intelligence): Paid-media revenue grew 278% year over year and lead volume grew 251% from Q1 to Q4, with LinkedIn and Google closing pipeline against target accounts. Jill McCarville, VP Marketing: "I 100% recommend Powered By Search. They've completely transformed our paid media strategy. The results are incredible and we're extremely happy with them."
• ThreatX (API security): A Google Search and LinkedIn program produced more paid-media opportunities and a marketing-sourced deal in fewer than 60 days, moving ThreatX from one demo a month to multiple right-fit demos a week.
• Fortra (cybersecurity): Paid search lifted sales-qualified leads 15% year over year. In October 2025, sales-qualified leads from paid search rose from 29 to 47 month over month, closed-won deals from 4 to 9, and closed-won bookings from $45,074 to $166,475.
• TouchBistro (restaurant technology): Toan Dinh, CMO: "They increased our demos by 300% within 6 months!"
• LMN (landscape business software): Mark Bradley, CEO: "Since partnering with them, we've grown new revenue by $12M year to date, consistently hit our new logo targets, maintained a healthy pipeline."
• PointClickCare (healthcare software): LinkedIn Ads generated more than 2,000 leads. John Walker, Director of Demand Marketing: "They are a natural extension to our digital marketing team, helping us buy both speed and objective insights. When it comes to helping us increase contributions to the sales pipeline, they've been a game-changer marketing agency to our demand generation efforts."
• Projul (construction software): Stephan Foos, Chief Product Officer: "We give you a dollar, you make us three."

Anonymized client results:

• AI customer service software company: In February 2026, sales-accepted opportunities from paid search rose from 18 to 28, pipeline from $1.13 million to $2.30 million, and average contract value from $62,700 to $82,100.
• Nonprofit fundraising software company: Its Director of Marketing: "With more budget, the right ads, and the right targeting, paid search is working really well for the first time in a while."

Pricing: Paid-media and ABM management starts at $6,000 per month on the monthly option.

See how Powered by Search runs ABM for lean B2B teams.

2. Kalungi

Kalungi is a full-stack B2B SaaS marketing agency built around a fractional CMO plus a supporting pod. Engagements typically start with a fractional CMO diagnosis, then move into building the ABM motion, content engine, and demand program from the ground up.

Best for: An early-stage B2B SaaS company wanting a fractional CMO to build the ABM motion from scratch.

Key Features:

• Fractional CMO leadership on every engagement
• ABM strategy and program build inside the T2D3 SaaS growth model
• HubSpot-native execution across marketing operations, campaigns, and reporting
• Content, brand, paid media, and SEO under one team
• Monthly reporting on pipeline, MQL, and SQL contribution

Pros:

• Fractional CMO layer gives early-stage teams executive-level strategy alongside execution
• HubSpot-native delivery model with a T2D3-based growth framework
• Full-stack coverage (strategy through execution) inside one engagement

Cons:

• Built for early-stage B2B SaaS (Seed to Series B); teams with established demand engines and existing internal pods should confirm operating fit before signing.
• Full-stack pricing tier is high relative to the point-solution alternative; buyers wanting to test a narrower ABM slice first should confirm scope options.

Named proof: Kalungi publishes case studies from early-stage B2B SaaS clients tracking MQL growth, pipeline creation, and progress against T2D3 revenue milestones. Buyers should ask for a case that ties ABM spend to sales-qualified opportunities against a named target-account list.

Pricing: Full-stack fractional CMO engagements start at $17,500 per month.

3. Walker Sands

Walker Sands is a mid-market and enterprise B2B integrated agency built around PR and brand, with demand generation and ABM added as connected workstreams. ABM sits alongside media relations, brand strategy, content, and paid media inside a broader engagement.

Best for: A mid-market or enterprise B2B team wanting ABM inside a PR-led integrated brand and demand program.

Key Features:

• Account-based marketing strategy and program management
• B2B public relations and media placement
• Brand strategy, positioning, and messaging
• Content, paid media, and marketing automation
• Web design and development

Pros:

• Integrated brand, PR, and demand model inside one agency
• Deep mid-market and enterprise B2B tenure
• Publishes an annual B2B State of the Industry research report

Cons:

• PR and brand are the core capabilities; ABM sits inside a broader integrated engagement rather than as the specialization. Buyers wanting an ABM-first partner should confirm program depth.
• Custom pricing only; buyers need a scoped quote before evaluating fit.

Named proof: Walker Sands publishes B2B case studies across the SaaS, fintech, and industrial-technology sectors reporting demand and pipeline outcomes across integrated PR and marketing programs.

Pricing: Custom pricing after scoping.

4. The Marketing Practice

The Marketing Practice is a B2B-only agency covering brand, demand, paid media, creative, and data, with an account-based marketing practice. Its ABM service runs deal-based 1:1 campaigns, modular 1:few and 1:many programs, and ABX workflows that connect marketing and sales on buying signals.

Best for: An enterprise technology brand that wants deal-based 1:1 ABM alongside 1:few and 1:many programs inside a brand-to-demand agency.

Key Features:

• 1:1 deal-based ABM built around active opportunities
• Modular 1:few and 1:many programs by account cluster
• ABX workflows for buying signals, MQAs, and sales follow-up
• Paid media, creative, data, and sales activation under one agency

Pros:

• B2B-only client base
• Separate ABM tiers for active deals and broader account clusters
• Named enterprise ABM work, including a $13 million pipeline program for Thomson Reuters CoCounsel

Cons:

• The Marketing Practice's client list concentrates on enterprise technology brands such as AWS, ServiceNow, and Palo Alto Networks. Lean in-house marketing teams should confirm engagement minimums and team fit.

Named proof: The Marketing Practice reports "$13M pipeline" for Thomson Reuters CoCounsel and publishes an ABX media program for Reltio.

Pricing: Custom; not published.

5. New North

New North is an integrated B2B technology agency using a points-based delivery model that reallocates work across channels. ABM sits alongside content, marketing operations, LinkedIn Ads, and analytics inside a single points-based engagement.

Best for: A B2B technology team wanting ABM inside a points-based integrated marketing engagement.

Key Features:

• Account-based marketing strategy alongside content and paid media
• Points-based work allocation with weekly coordination
• Brand, content, paid media, and analytics under one team
• Marketing operations and sales enablement
• Weekly reporting

Pros:

• Points-based model reallocates hours across channels as priorities shift
• Integrated scope across ABM + content + LinkedIn + marketing ops
• Published monthly pricing tiers ($6,000 to $15,000)

Cons:

• ABM is one workstream inside a broader integrated points-based engagement, not the specialization. Buyers wanting an ABM-first partner should confirm points allocation.
• Stated focus is B2B technology; buyers in other B2B sectors should confirm operating fit.

Named proof: Hydrian reports 207 sales leads. Ricoh reports higher organic traffic and site-health gains. Tyfone testimonial describes one internal marketer working with the agency as a partner. Buyers should ask for an ABM-specific case that isolates pipeline outcomes against target accounts.

Pricing: $6,000 to $15,000 per month depending on points allocation.

6. TripleDart

TripleDart is a full-service B2B SaaS agency that runs ABM alongside LinkedIn Ads, Google Ads, content, and SEO. ABM sits inside a broader growth engagement rather than as a standalone brief.

Best for: A B2B SaaS team wanting ABM inside a full-service SEO, content, and paid-media engagement.

Key Features:

• Account-based paid-media targeting on LinkedIn and Google
• SEO and content production alongside paid media
• Landing-page creative and testing
• Cross-channel attribution and reporting
• Full-service B2B SaaS delivery model

Pros:

• Full-service B2B SaaS delivery model
• LinkedIn + Google + Bing + SEO under one team
• Cross-channel attribution built in

Cons:

• Delivery team is not located in North America; buyers who require North American or European delivery, time-zone overlap, or localized talent should confirm coverage before signing.
• ABM is one workstream inside a broader growth engagement, not the specialization.

Named proof: TripleDart's B2B SaaS case library reports growth in leads, demos, and pipeline across combined content, SEO, and paid-media programs.

Pricing: Custom pricing after scoping.

7. Bay Leaf Digital

Bay Leaf Digital is a B2B SaaS marketing agency with HubSpot as the primary marketing-automation and CRM environment. ABM runs alongside content, SEO, and HubSpot operations inside a single engagement.

Best for: A B2B SaaS team wanting HubSpot-native ABM alongside content and SEO.

Key Features:

• HubSpot Marketing Hub implementation and management
• Account-based marketing campaign execution
• Content marketing and SEO
• Paid media across LinkedIn and Google
• Marketing analytics and reporting

Pros:

• HubSpot-native execution with certified team depth
• SaaS-focused delivery model
• Integrated content, SEO, and paid media under one team

Cons:

• SaaS-only specialization; buyers outside SaaS (industrial, hardware, healthtech services) should confirm the current client mix.
• Custom pricing only; buyers need a scoped quote before evaluating fit.

Named proof: Bay Leaf publishes B2B SaaS case studies with named clients reporting MQL, SQL, and pipeline outcomes.

Pricing: Custom pricing after scoping.

8. Ironpaper

Ironpaper is a B2B growth agency focused on account-based marketing, content, and sales enablement for mid-market B2B companies. Content and nurture programs are the primary levers, with paid media and marketing automation supporting.

Best for: A mid-market B2B team wanting ABM tied to a content-and-nurture pipeline model.

Key Features:

• Account-based marketing strategy and execution
• Content marketing and thought-leadership production
• Lead nurture and marketing automation
• Sales enablement and content
• Marketing analytics and reporting

Pros:

• Mid-market B2B focus with content and nurture depth
• Sales-enablement integration inside the marketing engagement
• Named ABM case studies across mid-market B2B sectors

Cons:

• Content and nurture are the primary levers; buyers whose primary gap is paid-media targeting or LinkedIn-first account activation should confirm channel depth.
• Custom pricing only; buyers need a scoped quote before evaluating fit.

Named proof: Ironpaper publishes mid-market B2B case studies reporting pipeline growth and marketing-sourced opportunities across integrated content, nurture, and paid-media programs.

Pricing: Custom pricing after scoping.

9. Heinz Marketing

Heinz Marketing is a Washington-based B2B pipeline consultancy with an account-based marketing offering. Its services span target-market consulting, messaging, sales-cycle optimization, campaign and program strategy, and content development, organized around its Predictable Pipeline methodology.

Best for: A B2B team that wants pipeline strategy and ABM program design from a consulting-led team.

Key Features:

• Target-market and account consulting
• Campaign and program strategy
• Sales-cycle optimization
• Content strategy and messaging development
• Metrics and KPI refinement

Pros:

• Long-running B2B pipeline focus
• Named enterprise software clients, including Qualys, Nutanix, Hyland, and EDB
• Published ABM program case, "Building a Repeatable ABM Program with Immediate Results"

Cons:

• Heinz Marketing's core service is strategy and consulting; paid-media execution and landing-page production should be confirmed at scoping.

Named proof: Heinz Marketing names Qualys, Nutanix, Hyland, Uptempo, and EDB as clients. Uptempo's CMO describes a "multi-faceted community engagement campaign that had immediate impact."

Pricing: Custom; not published.

10. Momentum ITSMA

Momentum ITSMA is an enterprise account-based marketing and key-account consultancy, now part of Accenture Song. It reports more than 600 B2B growth engagements across account-based marketing, key-account strategy, and revenue operations, plus ABM training and buyer research.

Best for: An enterprise financial services, technology, or professional services firm that wants key-account and ABM strategy.

Key Features:

• Account-based marketing and key-account strategy
• Customer growth strategy and positioning
• Revenue operations and change enablement
• ABM training and certification
• Buyer research through its Client Buying Index

Pros:

• More than 600 reported B2B growth engagements
• ABM training alongside consulting
• Proprietary research on B2B buyers and benchmarks

Cons:

• Momentum ITSMA is now part of Accenture Song and runs an enterprise consulting model built for large key-account programs. Lean in-house marketing teams and buyers wanting hands-on campaign execution should confirm fit.

Named proof: Momentum ITSMA reports more than 600 B2B growth engagements and tracks more than 2,000 B2B buyers in its Client Buying Index. Named client results are not published on its main site.

Pricing: Custom; not published.

Choosing the Right ABM Agency for B2B

Choose Powered by Search when a lean B2B marketing team wants a strategic, proactive, self-driving partner running ABM inside a wider integrated paid-media, content, and pipeline stack. Bought as sales-qualified pipeline against the named target-account list, not MQL count. Choose a HubSpot-native specialist when your CRM constraint is the deciding factor. Choose a fractional-CMO shop when you are building the ABM motion from zero and need executive-level strategy alongside execution.

Before signing any ABM agency, verify seven things:

1. How your CRM's target-account list feeds LinkedIn Matched Audiences, paid-search first-party audiences, and content personalization, and how often the sync runs.

2. Whether third-party intent (Bombora, G2, 6sense, Demandbase) or first-party engagement signals feed campaign prioritization, and which platforms the agency has proven delivery on.

3. Whether the agency has certified, named delivery experience inside your specific CRM (HubSpot Marketing Hub Enterprise, Salesforce with Pardot or Account Engagement, or both).

4. How the agency mixes 1:1, 1:few, and 1:many personalization tiers, and which segments each tier maps to on your account list.

5. Whether reporting shows pipeline value per account and closed-won stages, not aggregate MQL and engagement rollups.

6. Who owns the ad accounts, CRM configuration, audience lists, and creative library on offboarding.

7. Client-facing roles, minimum term, exit terms, and access to raw campaign and CRM data.

Bring your media investment, target-account list size, sales-cycle length, CRM stages, and qualified-pipeline target to the first conversation. If ABM is one part of a broader marketing problem, use the B2B marketing agency comparison. If your primary gap is top-of-funnel demand rather than target-account activation, review the best B2B demand generation agencies. If your CRM is the constraint, use the best B2B HubSpot agencies or the best B2B Salesforce agencies comparisons.

Start the Powered by Search fit assessment with your target-account list size, media investment, sales cycle, CRM stages, and pipeline target. The first conversation does not require account access.

Related comparisons

• 10 Best B2B Marketing Agencies for Complex Sales Cycles in 2026. A broader B2B growth agency shortlist covering the full stack, not only ABM.

• 10 Best B2B Demand Generation Agencies in 2026. For buyers whose primary gap is top-of-funnel demand rather than target-account activation.

• 10 Best B2B HubSpot Agencies in 2026. For buyers whose CRM constraint is HubSpot Marketing Hub Enterprise.

• 10 Best B2B Salesforce Agencies in 2026. For buyers whose CRM constraint is Salesforce with Pardot or Account Engagement.