Best B2B List Building Services (2022 Guide)

It might sound strange, but I love B2B list building.

A clean, highly targeted list of prospects is like gold to a sales professional.

Unfortunately, too often, marketers resort to buying lists of leads that are either out-of-date or full of inaccurate data, and sales managers don’t spend enough time building clean lists for their reps.

This is a huge mistake.

Without a highly optimized, highly targeted list, your sales or marketing campaign could be dead in the water before you even start.

Stop wasting hours sorting through pointless data when a precise list-making service is available. Improve the lead generation capabilities of your sales force without spending a lot of money on pricey agencies.

Check out my run down of the best B2B list-building services below.

Why Should You Use a B2B List Building Service?

The simple answer is that it save you time, energy and a whole lot of money.

B2B list building services are incredibly accurate, up-to-date and come with pre-verified data points that make your job a breeze.

Think about it – how much time do you spend tracking down the right decision-maker at a company? How often are you bounced around to different people before reaching the right person?

It’s frustrating, and it takes up a lot of valuable selling time.

But with a good B2B list building service, all of that research has been done for you. All you need to do is find the right contact and start selling.

What to Look for in a B2B List Building Service?

Not all list building services are created equal – and with many different providers out there, there are a few key factors you’ll want to consider before making your decision.

First, take a look at the size of the database of different list building services. The bigger, the better.

The last thing you want is to be stuck with a small, limited database that doesn’t have the coverage you need for your lead generation efforts.

Second, make sure that the provider offers some kind of guarantee on their data.

If they’re confident in their product, they shouldn’t have any problem offering you a money-back guarantee or some other kind of protection against bad data.

Third, take a look at the process that the list building service uses to verify their data.

The best services will have a multi-step process that includes human verification to ensure that the data is as accurate as possible.

Finally, make sure that the service offers the ability to segment and target the prospect list based on contact data like company size and other contact information.

This will ensure that you’re only getting relevant leads that a most suited to the market you wish to target.

Now that you know what to look for, let’s take a look at some of the best B2B list building services on the market.

The Top 6 List-Building Services Available to Help your List Building Efforts

Here are 9 of the best B2B list building services to consider that provide custom list building services to hopefully provide quality leads and boost your sales pipeline!

Tomba is a tool for finding lead emails that also performs domain searches and email verifications. The solution is so straightforward that you can just enter the domain of the business you are aiming for, and the platform will provide you the contact information for staff members across all departments at that business. Additionally, they offer a striking free plan that includes 50 searches and 100 verifications per month.


Uplead is another of many custom list-building services worth looking into.

With UpLead, creating a lead list is simple. You begin by signing into UpLead with the free trial. Your search criteria is then entered on the left-hand side. Based on contact information such as job title, location, income, and more, you can narrow your search results. Data can be arranged such that the most promising leads appear first. You can look up the finest leads to contact. Accessing phone numbers is free, whereas email unlocking costs one credit. 


For salespeople in the tech industry, Crunchbase is an excellent resource. It claims to have the world’s largest database of technology companies and startups. With over 50 million companies in its database, there’s a good chance you’ll find the leads you’re looking for.

Additionally, Crunchbase allows you to segment your search results in a number of ways. For example, you can filter by the size of the company, location, industry, and more. This makes Crunchbase a great option for those looking for quality leads.


ZoomInfo is a database of over 140 million business contacts. It’s one of the largest databases available, and as such, it’s a great option for those looking for a large number of leads.

Additionally, ZoomInfo offers several advanced features that make it a great choice for those looking for quality leads.

You can use ZoomInfo to conduct prospect searches by name, industry, job title, firm, and other criteria. Additional filters include location, educational level, business size, and other comparable criteria. Direct lead exports to Salesforce, Hubspot, Outreach, Salesloft, or Excel are all options.


A potent web-based prospect generation tool called AeroLeads finds appropriate prospects and their contact information. All of the information may be exported, saved in your account, and migrated to other services like SalesForce, Zapier, HubSpot, MailChimp, etc.

The platform helps with business development by providing access to over 650+ email addresses to make your B2B email prospecting efforts a breeze.

For email marketing and B2B sales outreach, is a solution for email lookups and company data enrichment. presently has over 2 million users, with over 70,000 installations through the Google Chrome store. When you create a free account at, you receive 50 free searches per month. You can test out all the features with the free account if you want to decide whether is the best email discovery tool for you.

List Building Services Frequently Asked Questions

What exactly do list building services do?

A list building service is a piece of software that eliminates the need for hours of tedious research and false data in lead generation. You’ll be given a list of prospects with complete contact details that can be added to your CRM. Use it to create fantastic email lists, connect with ideal customers, and eliminate old information.

Which list-building service is the best?

If the leads from a list-building service aren’t correct, what’s the use of paying for it?

Unlike every other list building service on the market, UpLead verifies the accuracy of your leads in real time and offers a 95% accuracy guarantee. Unlike other businesses, UpLead checks emails regularly, not just once a month.

You will therefore receive the most current contact information and won’t need to sort through prospects in the absence of valid information. For this reason, we recommend using UpLead instead of its rivals.

Is using these services legal?

The companies listed above make use of legally accessible databases and commercially available data. Services for contact building do not offer contact or personal information. Business contact information is not protected by privacy laws, so as long as you utilise ethical outreach techniques, all you are doing is helping your sales force generate leads.

Additionally, when you use a service such as UpLead, you can be confident that your leads will be of the highest quality.


Having access to good data is essential for any business looking to generate quality leads. However, manually collecting this data can be time-consuming and expensive.

Services that provide access to high-quality contact data can therefore be a valuable investment. Not only will you save time and money, but you’ll also be able to generate better leads and close more sales.

The above article provides an overview of some of the services currently available. I hope you found it helpful!

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