What is the LinkedIn Social Selling Index, and does it matter?

The Social Selling Index is a LinkedIn score from 0 to 100, free to check at linkedin.com/sales/ssi, updated daily. It is built from four components worth 25 points each, and it ranks you against your industry and your own network.

What are the four SSI components?

• Establish your professional brand. Profile completeness, plus whether people view and engage with what you publish.
• Find the right people. How efficiently you search and reach the profiles that match your market, rather than how many people you add.
• Engage with insights. Comments, shares and conversations. This is the sub score that moves fastest when you change behaviour.
• Build relationships. Connection acceptance from senior profiles and whether those connections turn into exchanges.

What is a good SSI score?

Below 40 usually means a profile that exists but is not used. Between 40 and 60 is an active professional presence. Above 70 puts you in the top few percent of most industries, and above 80 typically requires publishing consistently and replying to everyone who responds.

The ranking matters more than the raw number. LinkedIn tells you where you sit inside your industry and inside your own network, and those two percentiles say more about your reach than the score on its own.

What does SSI not measure?

The score has no idea whether the right people follow you. A recruiter with 900 followers in the wrong city can outscore a founder whose 12,000 followers are all buyers. SSI rewards activity that LinkedIn can observe, and audience quality is not part of the calculation.

It is also private by design. You cannot see anyone else's SSI, which means a manager cannot use it to compare a team, and a company cannot roll it up. Any dashboard promising team SSI is asking each person to self report a screenshot.

Which number forecasts results better?

If you want one figure that predicts whether LinkedIn will produce anything for your company, use combined visible audience: rank every employee by follower or connection count, take the top ten, and add them up. Then put that total next to your company page following.

This is observable from outside, unlike SSI, so it works for competitors as well as your own team. It is the report we sell as Invisible Reach at Invisible Keyboard: send a company name, domain or LinkedIn URL and you get the ranked top ten with names, titles, profile links, audience counts and the combined total.

How should you use SSI and reach together?

1. 1Use combined audience to decide who to invest in. Effort belongs where a post already travels.
2. 2Use SSI per person as a habit check for those few people, not as a target for the whole company.
3. 3Track replies and DMs weekly. Those are the leading indicator that both numbers are trying to approximate.
4. 4Re-rank the audience list every quarter. People join, people leave, and the top three change more than you expect.

SSI tells you whether one person is showing up. Combined audience tells you whether the company has anything to show up with.