Written by

Scott Harrison

Scott leads the UK strategic development of Business Information across commercial credit, ESG and marketing. He has spent many years helping clients fulfil their commercial data and insight needs and now defines the strategic direction for Experian’s Business Information division.

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Published Jul 2026

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Summary

  • Poor targeting data can undermine deliverability, engagement, and pipeline performance before a campaign even launches.
  • Outdated contact details and inaccurate firmographic data make it harder to reach decision-makers and buying committees.
  • Rising bounce rates, unsubscribes, and stalled sales outreach are often symptoms of deteriorating data quality.


If your email programme is under pressure, the first instinct is often to tweak subject lines, resend to non-openers, or adjust send times. Those changes can help at the margins. But when performance drops across multiple campaigns, the cause is frequently upstream: targeting data that no longer reflects who you want to reach, where they work, and whether they can buy.

In B2B, the “right people” is a moving target. Contacts change roles. Companies restructure. Domains get retired. Subsidiaries operate under different trading names. If your CRM and marketing database do not keep pace, deliverability suffers, engagement falls, and sales outreach starts hitting dead ends.

Here are the clearest signs your targeting data is no longer doing its job, plus practical ways to diagnose and fix the problem.

Signs your targeting data is hurting email deliverability and results

Bounce rates rise, even when volume stays steady

A growing hard bounce rate is a direct signal that your contact data is decaying. Common culprits include outdated work emails, domain changes, and duplicate records that bypass validation. Bounces are not just a hygiene issue. They also damage sender reputation, which can reduce inbox placement for everyone you email.

Engagement looks “fine” but pipeline influence weakens

You might see stable open rates, yet click-through and downstream actions fall. That pattern often points to misalignment between audience and offer, usually because:

Inaccuracies

Job roles are inaccurate or too broad

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Missing seniority

Seniority is missing, so messages land with non-decision makers

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Incomplete fields

Industry or company size fields are incomplete, so relevance drops

If sales reports more “not my area” replies, it is another sign the database is not mapping to buying committees.

Unsubscribes and spam complaints creep up

When targeting slips, recipients are more likely to opt out or mark messages as spam. That can happen even if your content is strong, because the audience is wrong. Watch complaint trends by segment. If one list consistently performs worse, the issue is often list provenance or stale attributes.

ABM and nurture streams drift apart

If your account-based marketing list says one thing and your nurture segments say another, you get inconsistent reach. One team targets the parent company, another targets a subsidiary. One team uses turnover bands, another uses employee count. The result is fragmented coverage and muddled reporting.

Sales sequences stall earlier than they used to

Email is rarely the only channel. When targeting data is weak, you will see it in SDR productivity too:

  • More “no longer at company” responses
  • Lower connection rates on email plus LinkedIn outreach
  • Higher effort required to find the right stakeholder per account
  • This is the same root problem showing up across digital marketing and sales.

Why this happens in B2B databases

Most B2B databases are built from multiple sources: web forms, events, partners, purchased lists, and CRM entries created under time pressure. Over time, definitions drift and records degrade. Without consistent company identifiers, group structures, and refreshed firmographic and contact attributes, segmentation becomes less reliable with every quarter.

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How to pressure-test and improve your targeting data

Start with three focused checks:

  1. Quantify decay: Track bounce rate, role accuracy, and duplicate rate by source and by age of record.
  2. Validate company context: Standardise organisation names, trading entities, and hierarchies so reporting and targeting align.
  3. Rebuild segments around buying reality: Use verified firmographics and role attributes to prioritise decision makers, influencers, and known budget holders.

Then create a new management schedule:

  • Refresh key fields on a schedule, not ad hoc
  • Apply consistent suppression across customers, competitors, and non-prospects
  • Create a single set of targeting definitions that marketing and sales share
  • Use enrichment to fill gaps in industry, size, location, and role data

When email results stall, targeting data is often the constraint. Clean, current, and consistent business and contact data improves deliverability, increases relevance, and makes performance easier to diagnose across email, paid social, and outbound sales. Treat your targeting data as a core campaign asset, and you will spend less time chasing symptoms and more time reaching the people who can actually say yes.

How can we help

Discover how data quality and enrichment can help you reach the right decision-makers and improve marketing performance.