We build powerful

Search solutions

Our Elasticsearch and Solr experts provide professional consulting and tailored application development.

Search services»

We wrote the book on

Search relevance

What good is search if you can never find anything? We're pioneers in smarter search that "gets" users.

Learn about relevance »

We are passionate

Industry leaders

We've spoken at conferences from San Diego, to NYC, to Dublin. Our blog is read by industry experts.

Blog  |  Events  |  Podcast

We're the relevance experts

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

We wrote Relevant Search, the definitive guide to building 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 »


Products and services for smarter search

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 »


Want to just understand why results are showing up in your search?

Use splainer for free »

Selected Clients

  • USPTO
  • Cisco
  • Career Builder
  • O'Reilly

Partners

  • Elastic
  • Datastax

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.

From the blog

We're Bringing Learning to Rank to Elasticsearch Opensource connections on February 14, 2017

Announcing the Elasticsearch Learning to Rank Plugin: Bringing machine learning into Elasticsearch to improve search relevance.

The Conferences We Went to in 2016 Eric pugh on February 10, 2017

During our Annual Retreat, we looked back at the conferences that we spoke at. I wanted to share ;-)

Our Solution to Solr Multiterm Synonyms: The Match Query Parser Opensource connections on January 23, 2017

You have probably heard us talk about Solr Multiterm Synonyms a lot. This article demonstrates a technique that solves the problem, with fewer performance and relevance issues than other approaches we've used.

Talk directly with Eric Pugh, our founder & CEO
(434) 466-1467 | eric@o19s.com