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Cybersecurity

Stacksi

Stacksi helps companies automate the process of answering enterprise security questionnaires so they can close deals faster and save their best engineers’ time for more strategic projects. Salespeople, CTOs, and CEOs of fast-growing enterprise startups can upload security questionnaires into our system. If the company already has written security policies, they can upload those documents, too. From there, Stacksi parses their documents, identifies gaps in their security policies vs. standards, a

sources
1
Evidence entries preserved.
affiliations
1
Y Combinator
competitors
6
Mapped from High Signal graph features.
status
generated
D1 lookup
last updated
2026-07-15
16:41 UTC
source evidence
Why this company exists here

Y Combinator

yc-company-directory #4693

Stacksi helps companies automate the process of answering enterprise security questionnaires so they can close deals faster and save their best engineers’ time for more strategic projects. Salespeople, CTOs, and CEOs of fast-growing enterprise startups can upload security questionnaires into our system. If the company already has written security policies, they can upload those documents, too. From there, Stacksi parses their documents, identifies gaps in their security policies vs. standards, a

source
generated read
High Signal interpretation

Stacksi is classified as Cybersecurity from source descriptions and fund-directory context. Similar companies below are ranked from offline product facets and meaningful description overlap; category and source affiliation can only strengthen an existing product match. For lookup-created rows, the profile starts as pending enrichment until deeper source collection runs.

offline extraction
Product facets
fast-growing enterprise startupssecurity policiessecurity questionnairesenterprise security questionnairessystemstandards
mapping method
Similarity graph

Local clusters rerank extracted product concepts and description terms. The generated graph remains the fallback for sparse descriptions: offline reciprocal product-similarity graph: extracted concepts + description terms + bounded category/affiliation boosts. Minimum fallback score: 0; max competitors: 6.

discovery cluster

Companies similar to Stacksi

Cybersecurity · 6 peers

A deterministic local cluster built from offline product facets and meaningful description terms. Category and selected-institution affiliation provide bounded tie-breaks. Open any peer to continue exploring its cluster.

ElectroNeek

match 76

We help Enterprises transform their business processes with RPA workflows and enable structured data extraction from any document types (Intelligent Document Processing, IDP). Awesome YC deals for founders (check out us in 'Deals'). Connect any system, automate any process.

shared extracted concepts: system; shared product terms: enterprise, document, deal, system; shared product theme: workflow automation; shared affiliation: Y Combinator

Cedar

match 70

Cedar helps the fastest growing GTM teams ramp up new reps faster & spread top rep playbook throughout the team. AE's at Cursor, Corgi, Pylon, and Warp use Cedar to save 75% of admin time on CRM updates, follow-ups, and deal strategy. Backed by YC with an ex-Figma, Notion, and Intuit team, Cedar was built by spending hundreds of hours with the best AE's in industry – we've built a playbook for the fastest growing teams and founders ramping up sales, and we'll use it to automate the busy work so

shared product terms: grow, faster, save, time; shared product theme: workflow automation; shared affiliation: Y Combinator

Quary

match 66

Quary is the first analytics engineering platform that brings the entire model-test-deploy workflow into the browser. At our first customer, a fast-growing fintech company, Quary empowers analysts in the growth team to self-serve, contribute, and reduce reliance on the data engineering team, letting teams ship metrics faster & executives get answers sooner

shared extracted concept terms: fast, grow; shared product terms: engineer, fast, grow, faster; shared product theme: workflow automation; shared affiliation: Y Combinator

Anjuna

match 66

Anjuna makes hardware-grade application and data protection simple, fast and enterprise-ready. Anjuna software enables IT to “lift and shift” applications and data into the hardware-encrypted confines of a secure enclave, protecting them from malicious software, insiders, and bad actors. Available from every major chip, cloud, and system vendor, secure enclaves are the data security gold standard. Unlike point memory-only enclave solutions that require expensive and complicated software rewrites

shared extracted concept terms: security, standard; shared product terms: fast, enterprise, system, security; shared product theme: security and compliance; shared affiliation: Y Combinator

Kaizen Design

match 62

Enterprise platform that helps health systems manage and enforce building design standards, reducing construction waste and improving project delivery.

shared extracted concept terms: system, enterprise, standard; shared product terms: enterprise, system, standard, project

TRUSTBYTES

match 52

TRUSTBYTES creates the world's first security operations system allowing projects to see, understand and act on their risk posture with confidence.

shared extracted concept terms: security, system; shared product terms: security, system, project; shared product theme: security and compliance; same category: Cybersecurity