B2B marketing in 2026: the year in review

TL;DR

• Search lost more clicks: 68% of US Google searches ended without a click in January to April 2026, up from 60% in 2024, and Google said AI Mode passed 1 billion monthly users.

• LinkedIn rebuilt its feed on large language models in March, split post reach into in-network and out-of-network in June, and grew paid video by nearly 30% a year.

• Rules moved too: the EU AI Act's transparency duties applied from 2 August 2026 while the high-risk deadlines slipped to December 2027, and Gmail and Microsoft kept enforcing sender rules.

• Buyers kept pulling away from sellers: 67% prefer a rep-free experience, but 69% still check AI answers with a sales rep.

B2B marketing in 2026 changed less through big launches than through steady pressure on the same three things: how buyers find you, how platforms decide who sees you, and what rules you send under. Search clicks kept falling as AI answers spread, LinkedIn changed how its feed picks posts, the EU moved its AI Act dates, and buyers did more research on their own. This review covers the dated events and the data behind each shift, and what they mean for the year ahead.

The 2026 timeline at a glance

Most of the year's change landed in a short window from March to July, when LinkedIn, Google and the EU all moved within weeks of each other. The timeline below lists the events this review is built on, each with its date and source.

Figure: the dated B2B marketing events of 2026, from Forrester, Gartner, LinkedIn, Google, the EU and the IETF.

AI search took more of the click

The biggest change for B2B marketers in 2026 was how few searches still end on a website. SparkToro's study of Similarweb clickstream data, reported by Search Engine Land on 9 June 2026, found that 68.01% of US Google searches ended without a click from January to April 2026. The same measure was 60.45% in 2024. Searches with at least one click fell 22.9% over the period, and searches that led to another Google search rose 7.2 points.

The cause is mostly AI Overviews. In the same study they appeared on more than 20% of searches, and click-through rates dropped by nearly 60% when they did. Earlier Pew Research Center data points the same way: users clicked a traditional result on 8% of visits that showed an AI summary, against 15% without one, and clicked a link inside the summary on just 1% of visits.

Figure: zero-click searches and click rates with and without AI summaries, SparkToro via Search Engine Land (2026) and Pew Research Center (2025).

AI Mode is the next step. Only 0.34% of searches in SparkToro's sample moved into AI Mode, but Google said at I/O in May 2026 that AI Mode had passed 1 billion monthly users and that query volume was more than doubling every quarter, per Nasdaq's report of the I/O announcements. Google also made Gemini 3.5 Flash the default model in Search.

What this meant in practice:

• Rankings stopped equalling traffic. A page can hold position 3 and still lose clicks when an AI Overview answers the query above it.

• GEO became a working discipline. Being cited inside AI answers, in Google and in assistants like ChatGPT, now sits next to classic SEO. Our GEO guide for B2B covers how to structure pages so AI systems quote them.

• Branded and bottom-funnel searches held up best. Queries with clear buying intent still need a vendor page. Informational content now has to earn citations, not only visits.

• Measurement moved. Teams started tracking impressions and citations alongside clicks in Google Search Console, and looked at clickstream tools such as Similarweb to see where demand was going.

Google Ads moved into AI answers

On 20 May 2026, at Google Marketing Live, Google said it was "reinventing ads for AI Search" with formats tailored to each query, named AI Max as its main route into those answers, and launched Ask Advisor, an agent built with Gemini that spans Google Ads, Analytics, Merchant Center and Google Marketing Platform.

The rest of the year filled in the details:

• AI Max testing. On 20 August Google announced budget and ROI-target tests across several Search campaigns in one A/B test, plus AI Max experiments that keep brand and location controls switched on, rolling out from September, per its AI Max update.

• Channel controls. On 14 October 2026 Google Ads announced channel prioritisation and budget allocation, so advertisers can mark networks as high or low priority and cap spend on the low ones, rolling out over the coming months.

For B2B search advertisers the direction is clear: more of the targeting and creative decisions sit with Google's AI, and the levers left to you are data quality, conversion signals and budget guardrails. Our guide to Google Ads for B2B SaaS covers the setup.

LinkedIn rebuilt its feed and leaned into video

LinkedIn made three changes in 2026 that affect anyone posting or advertising there.

A new feed ranking system. On 12 March 2026 LinkedIn's engineering team published Engineering the next generation of LinkedIn's Feed, describing a new ranking system "powered by LLMs and GPUs" that "better understands what a post is actually about and how it relates to a member's evolving interests." It is designed to surface posts "whether it comes from your immediate network or professionals you've never connected with before." In practice, topic clarity matters more than tricks: posts that stay on a consistent professional subject are easier for the system to match to the right readers.

New reach analytics. On 14 June 2026 LinkedIn began rolling out a post metric that splits impressions into in-network and out-of-network reach, as PPC Land reported. For the first time you can see how much of a post's reach came from people who do not already follow you. That is the number to watch if your goal is new pipeline, not engagement from existing connections. Tools such as AuthoredUp help track post performance over time.

Video and creators. LinkedIn said on 30 April 2026, in its Q3 FY26 highlights, that "paid video is also gaining momentum, growing nearly 30% year-over-year." In March it added new publishers to BrandLink, its programme for running video ads next to publisher and creator content, and let advertisers buy connected TV ads in Campaign Manager, per LinkedIn's announcement. By its Q4 FY26 highlights on 29 July, LinkedIn Marketing Solutions revenue was growing 16% a year, its seventh straight quarter of double-digit growth.

Two ad options LinkedIn announced in December 2025, per Social Media Today, also shaped 2026 buying: Reserved Ads, which hold the first ad slot in the feed for a set date, and AI-generated ad variants in Campaign Manager. Thought Leader Ads, which let a company promote a person's post, stayed the main bridge between personal-brand content and paid reach; our Thought Leader Ads guide covers how to run them.

Privacy and regulation: the EU AI Act moved its dates

The EU AI Act was due to bring most of its rules into force on 2 August 2026. It did not happen that way. The EU's Digital Omnibus on AI, Regulation (EU) 2026/1744, was published in the Official Journal on 24 July 2026 and entered into force on 27 July, as Cooley summarised. It changed the timeline:

• Still from 2 August 2026: the Article 50 transparency duties, such as telling people when they are dealing with an AI system and labelling AI-generated content, including deepfakes.

• Grace period to 2 December 2026: machine-readable marking of AI-generated content for generative AI systems already on the market before 2 August 2026.

• Moved to 2 December 2027: stand-alone high-risk systems under Annex III, such as AI used in hiring or credit scoring.

• Moved to 2 August 2028: high-risk AI built into regulated products under Annex I.

For most B2B marketing teams, the practical impact is Article 50. If you run an AI chatbot on your site or publish AI-generated video or images, plan for disclosure and labelling. The rules on prohibited practices have applied since February 2025 and the rules for general-purpose AI models since August 2025.

Cookies, meanwhile, did not go away. Google confirmed that Chrome will keep offering users third-party cookie choice rather than removing them, and in October 2025 it retired most of the Privacy Sandbox APIs, including Protected Audience and the Attribution Reporting API, per its Privacy Sandbox update. Consent rules in the EU did not change, so first-party data and clean consent still decide what you can measure.

Email: enforcement, not new rules

Email was the quietest channel for new rules and the loudest for enforcement. Microsoft has rejected non-compliant bulk mail to Outlook.com since May 2025, Gmail ramped up enforcement from November 2025 with temporary and permanent rejections, and DMARC became a formal standard as RFC 9989 in May 2026. Microsoft 365 also began tagging promotional bulk mail as Promotions in business inboxes by mid-September 2026, per Microsoft's bulk complaint level documentation.

We cover every change and the 15 checks to run before you send in 2027 in email deliverability in 2026.

B2B buyers did more on their own

The buyer research published in 2026 tells one consistent story: buyers research alone, increasingly with AI, and bring in sellers late and selectively.

• Rep-free preference. Gartner found on 9 March 2026 that 67% of B2B buyers prefer a rep-free experience, and 45% used AI during a recent purchase. The survey of 646 buyers ran in August and September 2025.

• But humans still verify. A second Gartner release on 20 May 2026 found 69% of buyers prefer to validate AI-generated insights with sales reps, buyers used an average of seven information sources, and 51% said they are more likely to encounter misleading information from GenAI.

• Bigger buying groups. Forrester's State of Business Buying 2026, published 21 January, found the typical decision now involves 13 internal stakeholders and nine external influencers, procurement is a decision-maker in 53% of buying cycles, and more than 60% of buyers use a trial. Forrester says genAI searches are now the starting point for B2B buyers.

• Late first contact, early shortlist. 6sense's 2025 B2B Buyer Experience Study, published in November 2025 and summarised by CustomerThink, found buyers made first contact 61% of the way through their process, filled four of five shortlist spots on day one and bought from their top-ranked vendor 77% of the time.

Figure: B2B buyer behaviour in 2026 research from Gartner, Forrester and 6sense, checked 14 October 2026.

LinkedIn's own 2026 Global B2B Marketing Outlook, a YouGov survey of 1,299 B2B marketers in five countries, adds the marketer view: 81% of B2B CMOs believe video shortens sales cycles. LinkedIn also reports that 56% of buyers who use creators rely on them in the final stage to confirm recommendations.

The marketing takeaway is that most of the decision happens before anyone fills in a form. Your job in that window is to be on the day-one shortlist: present in AI answers, visible in the feed of every buying group member, and easy to validate when a buyer asks a person. Our piece on the B2B buyer journey maps where each channel fits.

What 2026 means for 2027

Put together, the year's changes point to a short list of things to carry into 2027. The table below pairs each 2026 change with the response it calls for.

Figure: the main 2026 changes in B2B marketing and the response each calls for, GROU summary of the sources in this review.

• Plan for fewer clicks per ranking. Report on citations, impressions and branded search, not only organic sessions.

• Write for topic clarity on LinkedIn. The new feed matches posts to interests, so a consistent subject beats format hacks. Track out-of-network reach.

• Budget for video. Paid video on LinkedIn grew nearly 30% a year, and 81% of B2B CMOs in LinkedIn's survey say video shortens sales cycles.

• Label AI content. Article 50 has applied since 2 August 2026, with a grace period to 2 December 2026 for marking AI output from existing systems.

• Keep email clean. Authentication, unsubscribe and complaint rates now decide whether mail is rejected.

• Get on the day-one list. With first contact at 61% of the journey, demand creation before the buying cycle matters more than lead capture inside it.

If you are building next year's plan, our 2027 B2B marketing plan template and B2B marketing budget benchmarks cover the planning side, so this review stays on what happened.

FAQ

What changed in B2B marketing in 2026?

Search sent fewer clicks as AI Overviews and AI Mode grew, LinkedIn rebuilt its feed on large language models and added in-network and out-of-network reach analytics, the EU AI Act's transparency duties applied from 2 August 2026, Gmail and Microsoft kept enforcing sender rules, and buyer research showed a strong preference for rep-free buying.

How much did AI Overviews reduce clicks in 2026?

SparkToro's 2026 study found AI Overviews on more than 20% of US Google searches, with click-through rates nearly 60% lower when they appeared. Zero-click searches reached 68.01% from January to April 2026, up from 60.45% in 2024.

What did LinkedIn change in 2026?

In March 2026 LinkedIn rolled out a feed ranking system powered by large language models. In June it began splitting post impressions into in-network and out-of-network reach. It also expanded BrandLink video and added connected TV buying in Campaign Manager.

Did the EU AI Act apply from August 2026?

Partly. The Article 50 transparency duties applied from 2 August 2026. The Digital Omnibus on AI moved stand-alone high-risk rules to 2 December 2027 and embedded high-risk rules to 2 August 2028, and gave existing generative AI systems until 2 December 2026 for machine-readable marking.

Are third-party cookies going away in Chrome?

No. Google decided to keep offering users third-party cookie choice in Chrome and retired most Privacy Sandbox APIs in October 2025. EU consent rules still apply, so first-party data remains the safer base for measurement.

Do B2B buyers still want to talk to sales reps?

Less often, but at key moments. Gartner found 67% of B2B buyers prefer a rep-free experience, yet 69% prefer to validate AI-generated insights with a sales rep.

Bottom line

B2B marketing in 2026 was a year of pressure rather than reinvention. AI answers took a bigger share of search clicks, LinkedIn's feed got better at matching posts to interests, the EU fixed new dates for its AI rules and email providers enforced the rules they set in 2024 and 2025. Buyers did more of the work alone and contacted vendors late. The teams that adapt fastest will measure visibility, not just visits, and earn a place on the shortlist before the buying cycle starts.

If you want a pipeline engine built for how buyers research now, book a call with GROU.

About this review

We are GROU, a B2B pipeline agency that runs lead generation, outbound and LinkedIn content for B2B companies. The events and figures in this review come from Google, LinkedIn, the EU, Gartner, Forrester, Pew Research Center and the other sources linked above, checked on 14 October 2026.

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