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Custom Field Segmentation for Cold Outreach

  • Silvio Bonomi
  • 23 hours ago
  • 16 min read

Updated: 14 minutes ago

Cold outreach can work - if done right. The secret? Stop sending generic emails and start using custom field segmentation to personalize your messaging. This approach divides your prospect database into smaller groups based on detailed criteria like company size, technology stack, or recent funding. Why? Because personalized emails get 29% more opens and can boost conversions by up to 600%.

Here’s how it works:

  • Use data like firmographics (company size, industry), technographics (tools they use), and intent signals (research activity) to group prospects.
  • Tailor your messages to address the specific needs of each group.
  • Clean and update your data regularly to maintain accuracy.
  • Align segmentation with clear business goals, like targeting high-value prospects or shortening sales cycles.

This strategy isn’t just about better open rates. It builds trust, improves sender reputation, and leads to more meaningful conversations. Companies using segmentation report up to 760% higher revenue compared to generic outreach. Want results? Start segmenting.


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What is Custom Field Segmentation?

Custom field segmentation involves breaking your prospect database into specific groups based on detailed attributes that go beyond basic identifiers. It’s about creating richer customer profiles using advanced data points like a company’s technology stack, recent funding rounds, job roles, or even patterns from past interactions.

This approach allows you to group leads by demographics, behaviors, interests, or even their stage in the buying process. Why does this matter? Because a startup CTO and an enterprise VP of Sales face completely different challenges. Your outreach needs to reflect those differences if you want to stand out.

Here’s an example: After enriching 120,000 CRM records, a company identified 8,200 high-intent accounts actively conducting competitive research. By zeroing in on these prospects, they tripled their response rates in just one month. The secret? Moving away from one-size-fits-all messaging and targeting prospects who showed clear buying signals.

By analyzing data to uncover patterns, you can create meaningful groups. This isn’t just about organizing contacts - it’s about building a framework that lets you deliver tailored messages that resonate with each segment.

Now, let’s take a closer look at the types of data that make this possible.


Common Custom Fields in B2B Outreach

Custom field segmentation gets even more precise when you use data from these categories: firmographic, technographic, behavioral, and intent data. Each type gives you insights into who your prospects are and where they are in their decision-making process.

  • Firmographic data: Think company size, industry, revenue, location, and funding status. For example, a Series A startup has completely different priorities than a Fortune 500 company, and your messaging should reflect that.
  • Technographic data: This focuses on the tools and technologies your prospects use. It can help you identify opportunities for integrations or even replacements.
  • Behavioral data: Tracks how prospects engage with your content, emails, website, or social media - like email opens, link clicks, or content downloads.
  • Intent data: Looks at signals of active research or buying behavior, such as visiting competitor websites, downloading industry reports, or attending webinars.

But it doesn’t stop there. Role-specific details matter too. A CFO will care about ROI and cost savings, while a CTO is more concerned with implementation and security. And don’t overlook company-specific triggers like leadership changes, expansion plans, or competitive threats - they can create timely opportunities for outreach.

Geographic segmentation also plays a role, especially for companies with regional sales teams or location-specific offerings. Time zones, local laws, and cultural nuances can all influence how and when you connect with prospects.

These refined segments set the stage for campaigns that deliver measurable results.


Benefits of Custom Field Segmentation

Segmented campaigns consistently outperform generic ones. For instance, they achieve 14.31% higher open rates and 100.95% higher click rates. Even more striking, they can boost revenue by up to 760% compared to blanket outreach.

Why? Because segmentation makes your messaging more relevant. When your emails speak directly to a prospect’s challenges or opportunities, they’re more likely to engage instead of ignoring or deleting them.

This relevance doesn’t just improve open and click rates - it also enhances your sender reputation. Email providers track engagement metrics, so better-performing campaigns are more likely to land in inboxes rather than spam folders.

Segmentation also enables you to tailor promotions to specific interests or behaviors. Instead of offering the same demo to everyone, you can highlight features that matter most to each group - like supply chain optimization for manufacturing companies or customer success metrics for SaaS firms.

Over time, the insights gained from segmentation can even shape product development. By understanding what your customers value most, you can refine your offerings and messaging to better meet their needs. Perhaps most importantly, precise segmentation shows prospects that you truly understand their unique challenges. In crowded markets, this level of personalization can lead to more meaningful conversations - and better sales outcomes.


Preparing for Custom Field Segmentation

Before diving into segmentation, you need to lay the groundwork. The preparation stage is where success is determined - it's the difference between outreach campaigns that resonate and those that miss the mark.

To get this right, focus on three key areas: gathering detailed prospect data, keeping that data clean and up-to-date, and ensuring your segmentation aligns with your business goals. Let’s start with the first step: building a strong data foundation.


Collecting and Organizing Prospect Data

The quality of your segmentation relies entirely on the quality of your data. Pull information from various sources like your CRM, LinkedIn Sales Navigator, website analytics, email engagement history, and third-party tools.

Go beyond basic details like names and email addresses. Instead, gather data tailored to your business. For example, a SaaS company might track a prospect’s current tech stack, budget authority, or implementation timeline. A consulting firm, on the other hand, might focus on growth strategies, recent organizational changes, or regulatory hurdles.

Modern CRMs can simplify this process by syncing data from multiple sources automatically. However, you may still need to set up custom fields to track the specific attributes that matter most to your business.

Don’t overlook website tracking data. Actions like visiting your pricing page, downloading a resource, or spending time on a particular product feature can reveal a prospect’s interests and priorities. Similarly, social media activity can provide valuable context. Posts about hiring sprees, funding rounds, or industry challenges on LinkedIn, for instance, might signal the perfect time to reach out. Some companies even monitor job postings to identify potential expansion or technology shifts.

The key is to collect data systematically, not haphazardly. Use automated workflows wherever possible, and train your team to consistently log relevant information during every interaction with a prospect.

Once you’ve gathered the data, the next step is making sure it’s accurate.


Maintaining Data Quality

Clean data is essential for effective segmentation. Inaccurate or outdated information can lead to irrelevant messaging, harm your sender reputation, and waste time on prospects who aren’t a good fit.

Start by removing duplicates. A prospect might appear in your system multiple times with slight variations in their company name, email address, or job title. These duplicates can skew your segments and result in the same person receiving multiple versions of your outreach.

Make data validation a regular habit. People change jobs, email addresses become outdated, and companies are acquired or shut down. Automate checks for bounced emails and review high-value segments quarterly to catch changes that automated systems might miss.

Standardizing data also makes segmentation easier. For instance, instead of having “VP Sales,” “Vice President of Sales,” and “VP, Sales” as separate entries, choose one format and apply it consistently across your database.

Pay special attention to technographic data, which can quickly become outdated as companies adopt new tools or switch providers. Fast-growing startups, in particular, often reassess their tech stack, so what was accurate six months ago might already be obsolete.

Consider creating schedules for updating different types of data. For example, contact details might need monthly updates, while company size or industry classification could be refreshed quarterly.

Once your data is clean and organized, it’s time to ensure your segmentation strategy aligns with your business objectives.


Matching Segmentation with Business Goals

Effective segmentation isn’t just about using the data you have - it’s about aligning that data with your business goals. Whether you’re aiming to increase deal size, shorten sales cycles, or enter new markets, your segmentation criteria should directly support those objectives.

Start by defining your Ideal Customer Profile (ICP). If your best customers are mid-market SaaS companies with 100–500 employees using Salesforce, let that guide your segmentation. Build segments that help you identify similar prospects and craft messaging that speaks directly to their needs.

For example, segmenting leads by company size allows you to tailor your outreach and see better engagement across different groups. This approach helps ensure your messaging is as precise as the custom fields you’ve set up.

Keep in mind the 80/20 rule: 80% of your profits often come from 20% of your customers. Use segmentation to identify these high-value prospects and prioritize them over less promising leads.

Your segmentation should also reflect your sales process. If enterprise deals require a different approach than SMB opportunities, create segments that align with those workflows. This ensures leads are routed to the right team members, with messaging and follow-up tailored to their specific needs.

Be mindful of your resources, too. It’s better to manage a few well-defined segments effectively than to spread yourself too thin with dozens of micro-segments. Many businesses find success starting with 3–5 core segments and expanding as they gain insights and capacity.

Finally, make sure your segments meet five essential criteria: they should be measurable, accessible, substantial, differentiable, and actionable. If a segment doesn’t meet these standards, it’s likely not worth pursuing.

With 62% of marketing professionals in North America prioritizing better audience segmentation for more targeted messaging, building a strong foundation is crucial for staying ahead in the game.


Setting Up Custom Field Segmentation in Outreach Campaigns

When your data is clean and well-organized, you’re ready to launch highly targeted campaigns by using segmented prospect lists. This process boils down to three key steps: defining clear segmentation rules, syncing those segments with your outreach tools, and creating messages that speak directly to the needs and challenges of each group.


Setting Segmentation Rules

Start by establishing clear, actionable criteria that align with your business goals. These rules serve as filters to automatically sort prospects into appropriate groups based on the custom fields you’ve set up.

Focus on the factors that matter most to your strategy. For example, if you’re targeting SaaS companies, you might create segments based on company size (e.g., 1–50 employees, 51–200 employees, 201+ employees), technology stack, or growth stage (startup, scale-up, enterprise). Each rule should help you tailor your approach, making your outreach more relevant and impactful.

Leverage both demographic and firmographic data to refine your rules. For instance, a 50-person startup in Austin likely has different needs and budgets than a 500-person company in New York. Behavioral data is equally valuable - use actions like website visits, downloads, or email clicks to create even more precise segments.

To take it further, combine multiple data points. Instead of grouping solely by company size, layer in factors like industry, technology adoption, and recent funding rounds. This kind of nuanced segmentation allows for more targeted and effective campaigns.

Make sure your system updates automatically when prospect attributes change. Once your rules are set, integrate them with your outreach platform to ensure seamless execution.


Connecting Segments to Outreach Tools

The next step is connecting your segmentation rules to your outreach tools. This integration ensures that prospects are automatically placed in the right campaigns, eliminating the need for manual sorting.

Most modern CRMs and outreach platforms allow for custom field mapping. Identify the custom fields that power your segmentation rules and fill them with data from your various sources. Syncing this data ensures prospects are automatically assigned to the correct segment.

For example, if you’re using Salesforce, you can sync custom fields like "Company Size", "Industry", and "Tech Stack" directly with your outreach platform. With this setup, a prospect whose company size is marked as "51–200 employees" and industry as "SaaS" will automatically join your "Mid-Market SaaS" segment.

Use dynamic placeholders to personalize your outreach at scale by pulling key details directly from custom fields.

Set up automated sequences for each segment based on your rules. For instance, when a prospect enters an "Enterprise Manufacturing" segment, they might immediately start receiving a tailored sequence addressing the unique challenges of large-scale manufacturing.

Before launching, test your integrations with sample messages to ensure each segment is receiving the correct communication. Once everything is running smoothly, you can focus on creating messages that truly resonate with each group.


Writing Targeted Messages for Each Segment

With your segments defined and integrated into your outreach system, it’s time to craft messages that address the specific needs of each group. The goal is to create communication that feels personal and relevant, even when automated.

Start your messages by showing you understand the recipient’s situation. Avoid generic openers. Instead, reference specific challenges or milestones relevant to the segment. For example, for a Series A SaaS company, you might write: "I saw that [Company] recently raised Series A funding. At this stage, many companies face challenges like maintaining a strong culture while scaling rapidly and building effective sales processes."

Tailor your messaging to address what each segment values most. A small startup might care about affordability and quick implementation, while a larger enterprise might prioritize security, compliance, and seamless integration.

Focus on solving problems rather than listing features. Share examples of past successes and outcomes in a way that feels relatable, avoiding overly specific claims unless they’re directly relevant.

Use a mix of LinkedIn and email outreach to maximize your impact. LinkedIn offers a conversational tone, while email allows for more detailed information and clear calls-to-action. Ensure both channels align with your segment-specific messaging and value propositions.

Finally, A/B test your messages to refine your approach. Experiment with different subject lines, opening statements, and value propositions to see what resonates most with each audience. Above all, make sure your messaging feels natural and human, even when personalized at scale.


Improving Segmentation Performance

Once your custom field segmentation campaigns are live, the real challenge begins. The best outreach strategies are not static - they evolve. Regular testing, monitoring, and adapting to market shifts ensure your segments stay effective and your messaging remains relevant. By keeping your approach flexible and responsive, your campaigns can match the pace of your ever-changing market.


Testing Different Messages for Each Segment

With your segments in place, the next step is fine-tuning them through continuous testing. A/B testing is a particularly effective way to optimize performance. For example, nearly half of email recipients decide whether to open an email based solely on the subject line. Start by forming a clear hypothesis, such as whether a direct subject line like "Quick question about [Company's] Q4 goals" will outperform a benefit-driven one like "Reduce operational costs by 30% in Q4."

Focus on testing one variable at a time to isolate its impact. Key areas to test include subject lines, opening statements, value propositions, and call-to-action (CTA) placement.

To ensure reliable data, aim for at least 100 sends per variant. Keep the testing environment consistent to rule out external factors that could skew results. Tools like the ICE scoring model (Impact, Confidence, Ease) can help prioritize which tests to run. For instance, testing subject lines in high-volume segments often scores well across all three criteria.

Personalized subject lines can lead to 50% higher open rates, so experiment with different approaches that resonate with your audience. Incorporate industry-specific terms and tailor messaging to the unique needs of each segment.

Track metrics like open rates, reply rates, click-through rates (CTR), and conversions to get a complete picture of segment performance. For example, a subject line might boost open rates but fail to drive replies if it sets unrealistic expectations for the email content.

Element

A/B Testing Application

Measurement of Success

Subject Lines

Testing variations to improve open rates

Open Rate Percentage

Email Content

Comparing personalization and engagement

Click-through Rate (CTR)

CTA Placement

Experimenting with CTA positioning

Conversion Rate

Give each test enough time to gather meaningful data - this might take one to two weeks, depending on your email volume. Once you identify a winning approach, implement it and move on to testing the next element.


Tracking Segment Performance

Tracking the right metrics is essential to understanding which segments are thriving and which need adjustments. In fact, 89% of top marketers rely on performance metrics to evaluate their campaigns.

Set up your CRM to monitor lead volume in real time for each segment. This allows you to spot trends quickly, such as sudden changes in engagement within specific groups.

Keep an eye on lead conversion rates, which typically range between 2% and 5%. Calculate Cost Per Lead (CPL) by dividing your total outreach spend by the number of leads generated from each segment. This helps pinpoint which segments deliver the best return on investment.

Lead scoring can further refine your focus, allowing you to prioritize high-value prospects within each segment. For instance, if a segment shows strong engagement but low conversions, it might indicate a messaging issue rather than a problem with targeting.

Other important metrics include response times, which reveal how quickly different segments engage. Generating custom reports that compare revenue by segment against total marketing spend provides a clearer picture of your strategy's effectiveness.

Integrated platforms that provide real-time data to both sales and marketing teams ensure alignment across departments. Regularly review performance metrics to stay on top of which segments are delivering results. Compare your data to industry benchmarks and analyze past performance to set internal goals. Adjust segments as needed to keep pace with market changes.


Updating Segments for Market Changes

Customer behavior is constantly evolving, and your segmentation strategy should evolve with it. According to PwC's Global CEO Survey, 42% of companies have adjusted how they create, provide, and capture value in response to shifting customer preferences over the past five years.

Regularly update your segments to reflect these changes. This could involve reviewing performance data, analyzing market trends, and gathering customer feedback. For example, if one communication channel starts to underperform while another remains steady, it might indicate a shift in audience preferences.

"Companies are using masses of customer data to inform their segmentation strategies. This data comes from social media, website interactions, purchase history, and more. By analyzing this information, they can identify distinct customer segments based on demographics, behavior, preferences, and needs." – Jorge Argota, Self-Employed Digital Marketing Expert

Stay informed about industry trends that could influence your segments. Segmentation is moving beyond demographics to include contextual factors like customer mood, weather, or location. Tools like UTM parameters can help track the origin of leads, further refining your strategy.

Leverage customer feedback and performance data to fine-tune your segments. For instance, if multiple prospects mention a new challenge during sales calls, consider adding a custom field to capture that insight for future use.

AI tools can assist in refining segmentation, but human oversight is crucial. Review AI-driven recommendations to ensure they align with your understanding of your customers and brand. Be ready to add or remove variables as needed to achieve your desired outcomes.

Maintaining a clean and accurate customer database is key to keeping your segments effective over time. Regular data hygiene ensures your strategy remains aligned with current market conditions. When performance issues arise, experiment with new messaging, timing, or value propositions before deciding whether a segment is no longer viable.


Artemis Leads' Approach to Custom Field Segmentation

Artemis Leads takes lead generation to the next level by focusing on custom field segmentation combined with multichannel outreach. This targeted approach ensures personalized cold outreach that resonates deeply with specific prospect segments. Instead of relying on generic demographic filters, they craft campaigns tailored to the unique needs and characteristics of each audience.

At the heart of their strategy is a well-defined Ideal Customer Profile (ICP). Rather than casting a wide net, Artemis Leads collaborates closely with clients to identify the custom fields that truly matter. By analyzing firmographic and behavioral data, they refine the ICP to include details like job titles, company growth stages, technology usage, and team sizes. This multi-layered filtering ensures precision, whether targeting sales professionals or other specific groups.

Once the ICP is established, Artemis Leads applies these custom fields across various outreach channels.


Using Custom Fields Across Email and LinkedIn

To cover the entire ICP spectrum, Artemis Leads applies its segmentation strategy across email and LinkedIn. Their scoring system evaluates each prospect’s profile and engagement history to determine the most effective channel mix. Through the useArtemis platform, prospects are filtered using custom rules, and AI-generated icebreakers create personalized messages tailored to each segment’s needs.

This multichannel approach offers multiple touchpoints, ensuring that if a prospect doesn’t respond on one platform, there are alternate opportunities to connect. Additionally, Artemis Leads extends its LinkedIn outreach by managing multiple accounts, all while maintaining session safety.

This seamless integration of channels lays the groundwork for measurable results.


Client Results from Custom Field Segmentation

The impact of Artemis Leads’ segmentation strategy is evident in its client success stories. For example, Driveline Retail Merchandising saw significant results when Artemis Leads segmented their ICPs into retailers and brands, further breaking these groups down by location, job titles, and industries. This detailed segmentation allowed the sales team to send highly specific messages, culminating in a $1.5 million deal and contracts projected to generate $3 million in revenue.

Artemis Leads continuously refines its segmentation through a feedback loop, using insights from multichannel campaigns to enhance conversion rates and ROI. They also employ data enrichment tools, such as Chrome extensions, to extract leads and build robust prospect profiles.

By operating in multiple languages - including English, Italian, German, Dutch, and Spanish - they ensure their outreach remains relevant and personalized across diverse markets.

This advanced segmentation, paired with integrated outreach and ongoing optimization, forms the backbone of Artemis Leads’ service tiers: Light (4–5 leads), Essential (8–10 leads), and Scale (16–20 leads) per month.


Conclusion: Getting Results with Custom Field Segmentation

Custom field segmentation is transforming the way B2B cold outreach works. Instead of sending out one-size-fits-all messages, businesses can deliver highly targeted communications that resonate with each prospect's specific needs and circumstances.

By leveraging data-driven personalization and focusing on quality information, companies can significantly improve engagement and conversion rates. Segmenting prospects based on factors like job title, company size, industry, or even behavioral patterns allows businesses to create deeper, more meaningful connections with their audience.

Pairing email outreach with LinkedIn interactions amplifies the reach of these efforts. While 80% of potential buyers prefer email contact, LinkedIn provides an additional layer of touchpoints, ensuring broader and more effective market coverage.

Success doesn’t stop at implementation - it requires continuous refinement. Regularly testing different messages for each segment, monitoring key performance metrics, and updating segmentation strategies in response to market trends are all crucial steps. These efforts not only sustain but also enhance the performance of lead generation campaigns over time.

The results speak for themselves. Companies often see double-digit increases in open rates, click-through rates, and conversions. These improvements lead to higher-quality leads, faster sales cycles, and, ultimately, greater revenue.

As discussed earlier, custom field segmentation empowers B2B companies to achieve sustainable growth in a highly competitive landscape. Precise targeting, personalized messaging, and ongoing optimization form the backbone of a strategy that drives long-term success.


FAQs


What’s the best way to collect and organize prospect data for custom field segmentation?

To efficiently gather and structure prospect data for custom field segmentation, start by focusing on essential details like demographics, firmographics, behavioral patterns, and personal interests. You can gather this information through methods such as surveys, your CRM platform, or trusted third-party tools.

Once you have the data, organize prospects into groups based on shared traits like industry, company size, or job role. Implement a lead scoring system to identify and prioritize the most promising prospects. Regularly review and update your segmentation criteria to ensure it stays accurate and aligned with your goals. This approach allows you to design more precise and effective outreach campaigns.


What are the benefits of using custom field segmentation for cold outreach?

Custom field segmentation lets you tailor your cold outreach messages to feel more personal and relevant. By leveraging specific details like industry, job title, or company size, you can create communications that resonate more with your audience. This method not only increases the chances of getting a response but also helps establish stronger relationships with your prospects.

On top of that, custom field segmentation makes your outreach process more efficient. It allows for better automation and keeps things organized, ensuring your messages are sent to the right people with the right context. This saves time and effort while improving your ability to connect with key decision-makers effectively.


To make sure your segmentation strategy works hand-in-hand with your business goals and keeps up with market changes, start by setting clear, measurable objectives for your outreach. Define what success means for your business - whether that's boosting sales, entering new markets, or retaining more customers.

Keep a close eye on your audience data and market trends to catch any shifts in customer behaviors or preferences. This helps you fine-tune your segmentation criteria and focus on the right prospects. At the same time, track the performance of your campaigns and make adjustments based on feedback and results to keep your strategy on point.

By staying alert and adaptable, you can ensure your segmentation efforts not only achieve your goals but also keep up with the ever-changing market landscape.


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