Data & Analytics Consultancy

Clarity for decisions that matter.

Complex AS helps organisations turn fragmented data into dependable intelligence — building the pipelines, models and governance that let leadership act with confidence rather than instinct.

2009Established, London
140+Engagements delivered
97%Client retention
How we work

From raw data to boardroom clarity

01

Assess

We audit your data estate — sources, quality, ownership and access — and map where value is leaking before a single line of code is written.

02

Architect

We design the target state: warehousing, integration and modelling that match your operating reality rather than a vendor's default blueprint.

03

Build

Our engineers ship production-grade pipelines and analytics in measurable increments, with testing and documentation as first-class deliverables.

04

Operate

We embed governance, monitoring and enablement so your teams own the capability long after we hand over the keys.

Capabilities

Where we add the most value

Data Engineering

Warehouses, lakes and ETL/ELT pipelines built for reliability, cost and observability.

Analytics & BI

Self-service dashboards and reporting that answer the questions your teams actually ask.

Machine Learning

Forecasting, segmentation and anomaly detection deployed with the guardrails to trust them.

Data Governance

Cataloguing, lineage and policy that satisfy regulators and unlock self-service safely.

Industries

Deep sector fluency

Financial ServicesRisk, reporting and client analytics under real regulatory pressure.
Public SectorOutcome measurement and open data for accountable delivery.
HealthcareOperational and clinical analytics that respect patient privacy.
Retail & CPGDemand, supply chain and customer insight at scale.