Own your search

Smart search is core to your value: don't outsource it.

We help your org innovate in search and relevance. Whether it's Solr or Elasticsearch - let us empower your team!

What We Believe » | Our Services » | Our Expertise »

We wrote the book

Good search understands a user's intent, not just what they type.

We wrote Relevant Search to help teams build smarter Elasticsearch and Solr applications.

One of the best and most engaging technical books I've ever read. — Trey Grainger, Lucidworks
Will help you solve real-world search relevance problems for Lucene-based search engines — Dimitrios Kouizes-Loukas, Bloomberg

Read the book »
Get help from the experts »

Democratizing machine learning for your search team  ↓


Pioneers in machine learning

We built Elasticsearch Learning to Rank, which powers search at Yelp, Wikipedia, Snag, and others.

Since deploying learning to rank, we’ve seen a net 32% increase in conversion metrics across our historically lowest performing use-cases. — Jason Kowalewski, Sr Director of Engineering at Snag
Learning to rank can’t stay hidden away in obscure academic journals or multi-million dollar products. We’re making this stuff accessible to all search teams: opening up the black box for everyone to use”. — Doug Turnbull - OpenSource Connections CTO

Read the Press Release »
Our Learning to Rank Services »

Tools that demystify search  ↓


We have the tools

We built Quepid, a search testing platform that takes the guesswork out of search relevancy.

Do NOT attempt a search project without it. — John Bickerstaff

Try it Now »


Just want to understand why results are showing up in your search?

Use splainer for free »

Search Relevance Community  ↓


We support the community

We run Haystack, the Search Relevance conference. We sponsor MICES, the E-Commerce Search conference.

We host a Slack Channel where practitioners support each other and share solutions.

The Next Haystack »
Join Relevance Slack »

Our Blog » Upcoming Events »

We empower some of the world's best search teams at:

  • USPTO
  • Cisco
  • Career Builder
  • O'Reilly
  • Wikimedia Foundation
  • Snag

Our publications

Relevant Search »
Learn the secrets of building intuitive, targeted search.

Elasticsearch course »
Dive into Elasticsearch and AngularJS in this video course.

Solr Enterprise Server »
We cowrote the first book on Solr. Now in its third edition.

The blog and other happenings

Catching MICES in Berlin for e-commerce search Charlie hull on June 26, 2019

A review of the Mix Camp E-Commerce Search 2019 held in Berlin, maturity models, offline/online evaluation, ranking & emotion in search

Zookeeper Resiliency for Solr Cloud in AWS, using Auto-Scaling Groups Charlie hull on June 11, 2019

A guest blog from Alex Addison on how LexisNexis UK are building production-ready infrastructure for Solr using AWS autoscaling groups, Terraform and Zookeeper.

Falsehoods Programmers Believe About Search Max irwin on May 29, 2019

Search is a deceptively complex field, where competence is hard-won through training, practice, and experience. In that vein dear friends, I've exhumed the venerable "Falsehoods Programmers Believe" party from 4 years ago to bring you one about, no less, Search.

Come see Elizabeth at Elasticsearch 'Think Like a Relevance Engineer' Training August 6th-7th, 2019 | Charlottesville, VA

Learn to improve search quality from the best experts in the field. From TFIDF, to Semantic Search, to Learning to Rank with Elasticsearch

Talk directly with Eric Pugh, our founder & CEO
(434) 466-1467 | [email protected]