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

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.

Lets Stop Saying 'Cognitive Search' Doug turnbull on May 28, 2019

We won't address machine learning illiteracy in search if we can't go beyond buzzwords. We need to teach concrete, specific techniques.

Come see Charlie at Migration Stories at the London Lucene/Solr Meetup July 4th, 2019 | Lexis House, 30 Farringdon St, London U.K.

Brandwatch and LexisNexis tell us about their experiences migrating to Solr, and the usual Q&A and networking

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