What Is the Best Client Acquisition Software for B2B Businesses? Go7 vs HubSpot, Apollo, Clay and More (2026)

Quick answer: there isn't one best client acquisition tool for every B2B business, because most tools only do one part of the job. HubSpot is the best known CRM and marketing platform. Apollo is a contact database with sequencing built in. Clay is a flexible data and enrichment workbench. Instantly is built for sending cold email at volume. Go7 Radar focuses on the part most tools skip: finding the companies with a live reason to buy right now, plus press opportunities that build your credibility, with the outreach written for you.

If you want the whole thing run for you, Go7's Managed Growth service does it end to end.

The rest of this page answers the questions B2B founders and sales leaders ask most when choosing.

What is client acquisition software?

Client acquisition software is any tool that helps you find, reach and win new business customers. That covers several jobs:

1. Deciding who to target. Your ideal customer, and which companies match it.
2. Timing. Spotting which of those companies are likely to buy soon.
3. Contacts. Finding the right person and a verified way to reach them.
4. Outreach. Writing and sending emails or LinkedIn messages.
5. Credibility. Giving prospects a reason to trust you when they look you up.
6. Tracking. Recording conversations, deals and what's working.

Most tools are excellent at one or two of these. Very few cover all six, which is why most B2B teams end up with a stack of three or four tools.

How do the main tools compare?

Prices are taken from each company's public pricing in October 2026 and are in their original currencies. They change often, so check each provider before you buy.

Is HubSpot good for client acquisition?

HubSpot is very good at managing the customers and leads you already have. Its free CRM is genuinely useful, and the paid Sales Hub adds sequences, automation and reporting. HubSpot has also added AI features, including a prospecting agent and buyer intent tracking on higher tiers, which watch for things like website visits and company news.

Where it's weaker for small teams is the top of the funnel. HubSpot assumes you already have a flow of contacts. It's a system of record first, and a source of new opportunities second. The jump from Starter to Professional is also significant, because Professional is priced per seat and comes with an onboarding fee.

Use HubSpot if: you need a proper CRM and marketing automation, and you'll feed it with leads from elsewhere.

Is Apollo better than HubSpot for finding new clients?

For finding new contacts, usually yes. Apollo is built around a large B2B database, so you can search by job title, industry, location and company size, then add people to an email sequence in the same tool.

The trade-off is that a database tells you who exists, not who's ready to buy. A search for "operations directors at UK manufacturers" returns thousands of people, and most of them have no reason to talk to you this month. Data quality also varies by region, so UK teams should test it on their own market before committing.

Use Apollo if: you want a large searchable database and simple sequencing in one subscription.

What about Clay?

Clay is a data workbench. It pulls from a long list of data providers, lets you enrich lists with almost any field you can think of, and uses AI to research and write. It's very powerful in the right hands.

It's also a tool you have to build with. Most teams that get great results from Clay have someone technical who designs and maintains the workflows. Pricing is credit-based, so costs depend on how much data you pull.

Use Clay if: you have a growth or operations person who enjoys building workflows and wants full control.

And Instantly?

Instantly is built for sending cold email at volume. It includes unlimited email accounts, inbox warm-up and campaign management, and it's one of the most popular sending tools for agencies and outbound teams. It also sells lead data and a CRM as separate add-ons.

It doesn't decide who you should contact or what you should say. You bring the list and the message, and Instantly sends it well.

Use Instantly if: you already know who you're targeting and need reliable sending at scale.

What does Go7 do differently?

Go7 is built around two ideas.

Timing beats volume. Most companies aren't buying most of the time. The ones that are usually show it: they hire, expand, appoint a new leader, win a contract or raise money. These are buying signals, and reaching a company at that moment is far more effective than emailing a static list. Gartner found that 73% of B2B buyers actively avoid suppliers who send irrelevant outreach, so relevance isn't optional any more.

Credibility makes outreach work harder. When a prospect looks you up and finds you quoted in their trade press, they're more likely to reply and take the conversation seriously. Most acquisition tools ignore this completely.

So Go7 comes in two forms:

• Go7 Radar is the software. Add your website, and Radar learns what you sell and who you sell to. Each day it brings you companies showing a relevant buying signal, explains in plain English why now is a good time, and writes the outreach for you. It also brings press opportunities in your space with suggested comment angles. You review, edit if you want, and send from your own Gmail or Outlook, or push to Instantly. See our guide to using Radar.
• Managed Growth is the service. We run signal-led outreach and digital PR for you, with meetings booked into your calendar. Every plan is covered by the Go7 Guarantee, which includes your first qualified meeting within 30 days of campaigns going live or your first month's fee back. Terms apply.

Use Go7 if: you want to know who to contact today and why, with press coverage working alongside your outreach.

Can I use Go7 alongside HubSpot?

Yes, and many teams should. HubSpot is your CRM, where deals and customer records live. Radar is where new opportunities come from. They do different jobs.

If you already send through Instantly, Radar can push approved outreach there, so you don't have to change how you send.

Which tool should a small B2B team start with?

It depends on what's missing:

• No CRM at all: start with HubSpot's free CRM so nothing gets lost.
• You know who to target but can't send reliably: Instantly, with proper deliverability set-up.
• You need contacts and have no idea where to start: Apollo's free plan is a reasonable first step.
• You have plenty of names but replies are poor: the problem is usually timing and relevance, not volume. That's what Radar is for.
• You don't have time to run any of it: look at a managed service. Our guide to outsourced B2B lead generation costs explains what to expect.

What should I look for when choosing?

Five questions cut through most of the marketing:

1. Does it tell me who to contact, or just who exists? A database is not a pipeline.
2. Does it explain why now? If every prospect looks the same, your emails will too.
3. How much work is it to run? Count the hours, not just the subscription.
4. What does it really cost at my volume? Credits, seats, onboarding fees and add-ons add up.
5. Does it help prospects trust me? Outreach from a company buyers have heard of performs better.

For a wider comparison of signal and intent tools, see our guide to buying signal tools for small B2B teams.

FAQs

What is the best client acquisition software for B2B? There's no single best tool. HubSpot is strongest as a CRM, Apollo for contact data, Clay for custom data workflows and Instantly for sending at volume. Go7 Radar focuses on daily buying signals and press opportunities with outreach written for you. Many teams use two or three together.

Is HubSpot a client acquisition tool? Partly. HubSpot is mainly a CRM and marketing platform. Its higher tiers include prospecting and buyer intent features, but it works best when it's fed with leads from other sources.

What's the difference between a CRM and client acquisition software? A CRM records and manages your relationships and deals. Client acquisition software helps you find and start new relationships. You usually need both.

Is Go7 an alternative to Apollo? Not exactly. Apollo is mainly a contact database. Go7 Radar focuses on which companies are likely to buy now and why, then writes the outreach. Some teams use both.

How much does client acquisition software cost? From free plans up to several hundred pounds a month per tool, and more once you add seats, credits and onboarding fees. A done-for-you service such as Go7 Managed Growth starts from £1,500 + VAT a month.

What is the best client acquisition software for UK businesses? Test any database on your own UK market before committing, as coverage varies by region. Go7 is UK-based and built around UK B2B buying signals and UK press.

Not sure which approach fits your business? Get a free Growth Report.