Elasticsearch & Data Engineering Consultancy

We turn your data into a
competitive advantage.

Enterprise search, data pipelines and analytics solutions — delivered by specialists with 16+ years of hands-on experience.

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16+ Years Experience
5B+ Documents Managed
18 Node Clusters
700M+ Records Analysed
Data analytics dashboard

About SGL Technology

Specialist consultancy for search & data challenges

Founded in 2017 and registered in London, SGL Technology Limited is a specialist consultancy focused on Elasticsearch, data engineering and enterprise search solutions.

We work with organisations across sectors — from financial services and healthcare to hospitality and e-commerce — helping them build, optimise and scale their data infrastructure.

Whether you need to migrate from a legacy search appliance, build a real-time data pipeline, or manage billions of documents in Elasticsearch, our team brings the deep, hands-on expertise to deliver.

Company No. 11120804
Registered Office London, England

What We Do

Services built around your data

From strategy through to implementation, we cover the full lifecycle of search and data engineering projects.

Elasticsearch Consulting

Cluster architecture, mapping design, query optimisation, custom analysers and multi-language search. We design and build Elasticsearch solutions that perform at scale.

Data Pipeline Engineering

End-to-end ETL/ELT pipelines using Logstash, AWS Lambda and custom tooling. We move, transform and load your data reliably — whether it's thousands or billions of records.

Analytics & Dashboards

Business intelligence infrastructure, Kibana dashboards and custom reporting platforms. Turn raw data into actionable insights for your team.

API & Integration Layer

GraphQL and REST API design connecting your data layer to internal systems and third-party platforms. We've built API layers handling 40+ data-heavy functionalities.

Cloud & Infrastructure

AWS architecture, Docker containerisation, CI/CD pipelines and server migration. We help you move to the cloud or optimise what you already have.

Search Migration

Replacing legacy search appliances (Google Search Appliance, Solr, etc.) with modern Elasticsearch solutions — including synonyms, autocomplete and relevance tuning.

Track Record

Proven delivery across industries

A selection of anonymised engagements that demonstrate our depth of experience.

ESG & Financial Data

Data Pipeline for ESG Fund Analytics

Designed and managed the primary data pipeline with a GraphQL API layer handling 40+ data-heavy functionalities including complex groupings and aggregations for ESG fund analysis.

GraphQLNode.jsAWSData Pipelines
Hospitality

Hotel Search Platform

Built hotel search services for multiple internal and third-party platforms using a microservices architecture with Logstash, Elasticsearch, AWS and Java.

ElasticsearchJavaLogstashMicroservices
Financial Services

Legacy Search Appliance Replacement

Replaced a legacy Google Search Appliance with Elasticsearch for a major financial services firm. Implemented synonyms, multi-level queries and autocomplete suggestions with .NET integration.

ElasticsearchNEST.NETSearch
Industrial Distribution

Multi-language Catalogue Search

Designed Elasticsearch mappings and queries with custom analysers for multi-language catalogue management. Containerised ETL processes with Docker and Logstash.

ElasticsearchDockerLogstashNLP
Transport & Logistics

5 Billion Document Reporting Platform

Imported and managed 5 billion documents into Elasticsearch with custom mappings and Logstash ETL. Built a dynamic pivot-grid reporting platform with X-Pack security integration.

ElasticsearchX-PackKibanaLaravel
E-commerce

Multi-language E-commerce Platform

Led a team of developers building a custom e-commerce platform serving 20,000 products across 300 categories to 100,000 daily visitors. Managed the full Elasticsearch search and catalogue infrastructure.

ElasticsearchAWSRedisMongoDB
Social Media Analytics

700M+ Record Analysis Platform

Built a social media data collection and analysis system on a multi-level server architecture, collecting 20 million records daily. Designed and managed an 18-node Elasticsearch cluster powering analysis of 700M+ records.

ElasticsearchBig DataJavaMySQL
Healthcare (NHS)

Healthcare Data Consultation

Provided specialist consultation on big data, analytics and search infrastructure for an NHS-partnered healthcare organisation.

Big DataAnalyticsSearchConsulting

Technology Stack

Tools & technologies we work with

Search & Analytics

Elasticsearch X-Pack Logstash Kibana Datadog

Cloud & DevOps

AWS Lambda Azure Docker CI/CD Linux Bash

Languages & Frameworks

Node.js JavaScript GraphQL Java C# / .NET PHP Laravel HTML / CSS

Data & Databases

MySQL Microsoft SQL MongoDB Redis ETL Database Design

Ready to unlock the value in your data?

Whether you're starting a new project or need expert help with an existing Elasticsearch deployment, we'd love to hear from you.

Get in Touch

Contact

Let's talk about your project

Location

London, United Kingdom

Company

SGL Technology Limited
Registered in England & Wales
No. 11120804

We typically respond within one business day.