Leadspace Sidekick Chrome Extension
The contact data you need. The AI that turns it into pipeline.
Enterprise B2B intelligence on LinkedIn. Free to start.

Less expensive than
ZoomInfo & Apollo
Faster time-per-lead vs.
manual research
Fit scoring, outreach drafting & buying group intelligence built in
Technology categories in the data graph

What Sidekick Does
Three things no other tool does at this price.
Explore each one. Every capability is powered by 800M+ buyer identities — the same data graph used by Microsoft, Nvidia, and Salesforce.
The Foundation — Verified contact data, revealed instantly
Emails, direct dials, firmographics, tech stack. One click.
● Verified emails & direct phone numbers
Revealed on any LinkedIn profile
● Company firmographics & org hierarchy
Size, revenue, industry, parent and subsidiaries
● Technology stack
— 100+ categories, continuously updated
— not batch-refreshed monthly
The Difference — AI that works the whole sales workflow
Fit scoring, outreach drafting, buying committee mapping, job change detection.
● Fit Scoring
Instant score against your Target Audience with a plain-language explanation.
● Outreach Drafting
Cold emails, LinkedIn messages, call scripts — personalised to the contact's profile.
● Buying Committee
Map Economic Buyer, Champion, Technical Evaluator, Procurement, Exec Sponsor. Gaps flagged.
The Multiplier — Find more people just like your best ones
LookaLikes turns one perfect contact into a full pipeline.
● Point to any contact who fits your Target Audience perfectly
● Sidekick searches 800M+ identities for people with the same role profile, company type, and fit signals
Learn More About Sidekick

Sidekick
Article
Best Chrome Extensions for Sales Prospecting in 2026
Your browser is where prospecting happens. You open profiles, scan accounts, and decide who to reach out to. The right sales prospecting chrome extension turns that workflow into a data advantage. The wrong one wastes clicks and gives you bad emails.
This guide breaks down the best sales extensions for B2B reps in 2026. Every tool on this list runs inside Chrome and fits into the profiles you already work in. Some are free. Some cost more than your monthly quota dinner. Here is how they stack up.

Sidekick
Article
Best Sales Intelligence Tools for Small and Lean Sales Teams
You have a small team. Every hour spent on bad data or wrong contacts costs you pipeline you won't get back. The right sales intelligence tool changes that equation fast. The wrong one drains budget and still leaves reps digging for direct dials.
This guide breaks down the best sales intelligence tools for small teams based on what matters when headcount is tight: data accuracy, speed to value, buying-group visibility, and total cost when you factor in seats, credits, and overages.

Sidekick
Article
Do You Actually Need an Enterprise Sales Intelligence Platform?
Your VP wants better pipeline coverage. Your CRO wants tighter targeting. Someone on the ops team starts evaluating six-figure sales intelligence platforms with demos, procurement cycles, and rollout timelines measured in quarters. Meanwhile, you still need verified contact data before your next call block.
The question of whether you need a full enterprise sales intelligence platform deserves a more honest answer than most vendors give. For many teams, the answer is no. For most individual reps, the answer is definitely no.

Sidekick
Article
What's the Cheapest Way to Get Verified B2B Contact Data?
Every rep needs accurate contact data. Verified emails, direct dials, and reliable firmographics form the foundation of outbound sales. The problem is that most tools charge thousands per year for data that decays within months. So what's the cheapest b2b contact data source that still delivers quality? The answer depends on what you need, how you prospect, and whether you're paying out of pocket or pitching a budget to your manager.
How We Compare
More intelligence. At a fraction of the cost.
See how Sidekick stacks up against ZoomInfo, Apollo, and Lusha across every capability that matters.
Full
Partial
None
Sidekick
ZoomInfo
Apollo
Lusha
PRICING
$0
Freemium — no CC
Paid from $49 / user per mo
No free tier
From ~$15K / year
Limited free tier
Paid from $49 / user per mo
No free tier
Paid from $49 / user per mo
CONTACT DATA
Verified emails
Direct / mobile phone
Firmographics & tech stack
Free tier
AI INTELLIGENCE
AI fit scoring
AI outreach drafting
Buying committee mapping
LookaLikes discovery
Job change detection
CRM & WORKFLOW
CRM & sales tool push
Salesforce, HubSpot, Outreach
Works on LinkedIn
DATA FOUNDATION
Identity graph size
800M+
270M+
Compiled DB
50M+
Continuously updated
Forrester recognized
Competitor data based on publicly available information as of 2026.

Pricing
Affordable outcomes. Not just affordable software.
Verified emails, direct dials, AI fit scoring, buying committee mapping, and AI outreach — all on LinkedIn. ZoomInfo, Apollo, and Lusha charge enterprise prices for what Sidekick delivers at 2.5–10× less.
FAQ
Common Questions
What browsers does Sidekick work on?
How do credits work?
What makes Sidekick different from Apollo or ZoomInfo?'
What is LookaLikes?
Does Sidekick integrate with my CRM?
How is the buying committee map built?


