Private Markets, Angel and Secondary Investing, Sacra

Sacra

Private Markets, Angel and Secondary Investing

Bringing transparency to private markets so investors, founders, and employees can build on conviction. Sacra delivers deeply researched insights on the private companies shaping tomorrow's markets. By surfacing the data, context, and operator perspective that are missing from private markets today, we help secondary buyers and sellers price equity accurately and unlock liquidity for the people building these businesses.

Private Capital Markets

<ul><li>Sacra estimates that Apollo.io hit $150M ARR in May 2025, with $134M ARR at year-end 2024, up 40% year-over-year.</li><li>We last covered Apollo in January 2024 as it crossed $100M ARR, growing 100% YoY.</li><li>Apollo has responded with a wave of launches including Scores &amp; Signals, Smart Meeting Suite and Workflows.</li></ul>

Sacra estimates that Apollo.io hit $150M ARR in May 2025, with $134M ARR at year-end 2024, up 40% year-over-year.We last covered Apollo in January 2024 as it crossed $100M ARR, growing 100% YoY.Apollo has responded with a wave of launches including Scores &amp; Signals, Smart Meeting Suite and Workflows.

<ul><li>Pure product-led growth is giving way to a hybrid of self-serve plus inbound sales, requiring go-to-market teams to create forms (Typeform), enrich new leads (Clearbit), qualify them (HubSpot), route & schedule meetings (Calendly), and start email sequences (Outreach), with Zapier to stitch it all together.</li><li>As budget for all these tools for automation has begun to exceed the cost of CRM itself, companies like Default (Craft Ventures, $11.3M raised), Calendly ($270M ARR), and Clay (Sequoia, $62M raised) have begun bundling scheduling with lead capture, enrichment, qualification, and routing into a unified revenue ops dashboard.</li><li>I might be wrong, but I think in the next 3 to 4 years, we're going to see a lot of the same solutions, either through hardcore R&D like ZoomInfo is doing or aggressive M&A like Clari's approach.</li></ul>

Pure product-led growth is giving way to a hybrid of self-serve plus inbound sales, requiring go-to-market teams to create forms (Typeform), enrich new leads (Clearbit), qualify them (HubSpot), route & schedule meetings (Calendly), and start email sequences (Outreach), with Zapier to stitch it all together.As budget for all these tools for automation has begun to exceed the cost of CRM itself, companies like Default (Craft Ventures, $11.3M raised), Calendly ($270M ARR), and Clay (Sequoia, $62M raised) have begun bundling scheduling with lead capture, enrichment, qualification, and routing into a unified revenue ops dashboard.I might be wrong, but I think in the next 3 to 4 years, we're going to see a lot of the same solutions, either through hardcore R&D like ZoomInfo is doing or aggressive M&A like Clari's approach.

Nico Ferreyra, CEO Of Default, On Building An end-to-end Inbound Sales Platform

<ul><li>Outreach grew to $250M ARR by enabling any sales development representative (SDR) to send outbound emails with demographic data like a prospect's name, company, and role pre-filled.</li><li>With the decline in the efficacy of cold outbound, companies are turning to "warm outbound", where personalized outreach is triggered based on specific behavior data that a prospect is engaged in either on your own website (e.g., via Clearbit) or elsewhere on the web (e.g., on G2).</li><li>AI-native tools like Unify ($17.9M raised), Default ($11.3M raised), and Attention ($3.1M raised) stitch together multi-tool workflows to automate the sending of highly personalized messages, at scale, eliminating the need for $60K/year SDRs.</li></ul>

Outreach grew to $250M ARR by enabling any sales development representative (SDR) to send outbound emails with demographic data like a prospect's name, company, and role pre-filled.With the decline in the efficacy of cold outbound, companies are turning to "warm outbound", where personalized outreach is triggered based on specific behavior data that a prospect is engaged in either on your own website (e.g., via Clearbit) or elsewhere on the web (e.g., on G2).AI-native tools like Unify ($17.9M raised), Default ($11.3M raised), and Attention ($3.1M raised) stitch together multi-tool workflows to automate the sending of highly personalized messages, at scale, eliminating the need for $60K/year SDRs.

Austin Hughes, CEO And co-founder Of Unify, On The Death Of The SDR

<ul><li>In terms of milestones, we just crossed 350 customers, and that's something we're happy about.</li><li>We saw an opportunity where things were challenging in the mid-market, it didn't look like it was going to get any easier with all the competition, but we were seeing surprisingly strong pull downmarket from these SMBs who wanted to use the product.</li><li>Basically every company needs to report on their numbers—the crucial thing is that at any point in the year, any company will need to be reporting on their numbers—whether it's the ARR reporting, whether it's their burn and runway or that kind of stuff.</li></ul>

In terms of milestones, we just crossed 350 customers, and that's something we're happy about.We saw an opportunity where things were challenging in the mid-market, it didn't look like it was going to get any easier with all the competition, but we were seeing surprisingly strong pull downmarket from these SMBs who wanted to use the product.Basically every company needs to report on their numbers—the crucial thing is that at any point in the year, any company will need to be reporting on their numbers—whether it's the ARR reporting, whether it's their burn and runway or that kind of stuff.

Taimur Abdaal, CEO And co-founder Of Causal, On The Future Of The "Better Spreadsheet"

<ul><li>Today, at more than $100M in annually recurring revenue growing 70% year-over-year, Airtable’s growth is accelerating, both due to COVID tailwinds and Airtable’s aggressive push upmarket.</li><li>Airtable does have the opportunity to be one of the biggest players in the no/low-code industry.</li><li>We estimate Airtable’s ARR at $115M for a valuation of about $7.7B.</li></ul>

Today, at more than $100M in annually recurring revenue growing 70% year-over-year, Airtable’s growth is accelerating, both due to COVID tailwinds and Airtable’s aggressive push upmarket.Airtable does have the opportunity to be one of the biggest players in the no/low-code industry.We estimate Airtable’s ARR at $115M for a valuation of about $7.7B.

Airtable: The $7.7B Roblox Of The Enterprise

United States

Dashboard for sales and marketing teams to enrich leads and automate outreach workflows

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Clay (CLAY US)

Apollo.Io At $150M ARR

TL;DR: Apollo is evolving from a PLG sales tool into an all-in-one GTM platform with CRM against the insurgent threat of Clay and the incumbent...

Sacra

Nico Ferreyra, CEO Of Default, On Building An end-to-end Inbound Sales Platform

What is Default and what inspired you to start the company...

Sacra

Austin Hughes, CEO And co-founder Of Unify, On The Death Of The SDR

What is Unify in short and what inspired you to start the company...

Sacra

Taimur Abdaal, CEO And co-founder Of Causal, On The Future Of The "Better Spreadsheet"

Where does Causal have the strongest product-market fit today and what milestones have you hit that you want to share...

Sacra

Airtable: The $7.7B Roblox Of The Enterprise

At more than $100M ARR, we estimate spreadsheet-database hybrid Airtable, co-founded by CEO Howie Liu, to have a valuation at $7.7B based on their...

Sacra

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