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.

The blog and other happenings

Heatmaps in Elasticsearch Scott stults on June 26, 2017

Heatmaps over geo_shape fields in Elasticsearch

Using Splainer to Debug Complex Solr Function Queries Doug turnbull on May 16, 2017

Solr function queries look like Excel queries from hell. I want to tell you how I debug complex Solr function queries using Splainer.

When to choose open source search (and when you shouldn't) Doug turnbull on April 29, 2017

In this article, I want to single out Solr and Elasticsearch specifically for consideration. Why? As open source solutions, they share *most* of the pros/cons compared to proprietary solutions when making a business decision.

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