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Data Lake Consulting Services 

GroupBWT designs data lake structures for ingestion, storage, and analytics across finance, healthcare, retail, and technology. Our expertise, honed over 16+ years, has enabled clients to reduce cloud scan costs by an average of 35%. We deliver data lake consulting that aligns architecture with operational limits and growth targets.

Let's talk
100+

software engineers

15+

years industry experience

$1 - 100 bln

working with clients having

Fortune 500

Fortune 500

We are trusted by global market leaders

Challenges Companies Face Today

Scale amplifies complexity. As data volumes rise, ad-hoc pipelines fracture, leaving leadership with delayed views of the business. We address the specific friction points where technical debt blocks operational clarity.

These challenges shape how teams design their platforms. The following section explains how our consulting practice resolves them.

Fragmented Data 

Repairing fields kills velocity. We align object definitions so teams answer questions, not fix joins.

Lack of Scalability

Legacy systems crash at peak. We engineer queues and ingestion paths that hold orders under heavy load.

Governance Gaps 

Sensitive data leaks easily. We build automated lineage routes to give auditors instant, full evidence.

Analytical Inefficiency 

Clusters overscan. We set partition rules and formats to match queries, slashing cloud bill variance.

Silent Schema Drift 

Updates break reports. We use Delta Lake to handle schema evolution, keeping history readable and safe.

Inconsistent Model Training 

Unversioned data breaks models. We capture full lineage to ensure reproducible training and stop drift.

Invisible Quality Failures 

Bad data hides in averages. We integrate observability to alert on null spikes before execs see them.

Stale Decision Signals 

The batch is too slow. We build real-time streaming architectures so ops teams act on fresh, intraday signals.

What GroupBWT Data Lake Consulting Provides

Our data lake consulting company designs foundations that follow cross-team workflows. These plans remove brittle structures and let companies scale safely.

Research, analysis, and design

Engineers interview stakeholders, trace field lineage, and map where context disappears during transformation. You receive a structural plan that remains stable across traffic cycles.

Development and optimization

Our team selects Parquet or Delta based on how analysts query the data. This reduces scan volume and keeps historical slices readable during planning and reporting cycles.

Cloud development and migration

We migrate legacy warehouses to AWS, Azure, or GCP. Engineers move extensive histories without downtime, setting zones that follow regulatory rules. Companies gain predictable storage behavior across clouds.

In practice, the win comes from keeping meaning intact end-to-end: we trace where context gets lost, design a structure that won’t break when traffic changes, then implement formats that match how your analysts actually query—so scans shrink and historical views stay usable.

Finally, we migrate legacy warehouses to AWS/Azure/GCP without downtime, carrying full history and enforcing regulatory zones, so storage and performance stay predictable across clouds.

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Implementation of advanced data capabilities

Our team builds custom data lake consulting solutions that support streaming ingestion and real-time processing. Signals arrive on time, and teams act on fresh events.

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How We Serve Industries With
Datalakes and Consulting

Banking & Finance

Banking & Finance

Banks and financial institutions run on transactional accuracy and traceable history. Their data lakes pull transactions from legacy cores and modern gateways into a single ACID ledger, where finance, risk, and regulatory teams share the exact numbers. At the same time, fraud engines consume streaming feature views rather than ad hoc exports.

Healthcare

Healthcare

Healthcare providers and research teams rely on strong privacy controls and audit trails. Their lakes separate PII zones with encryption and row-level security from de-identified research zones, where clear lineage links each study back to the source tables and the compliance rules that govern them.

Retail

Retail

Retailers with physical stores and hybrid models coordinate shelves, stock rooms, and distribution hubs against the same demand signal. Their lakes join POS, planogram, inventory, and pricing feeds into a single product view, so replenishment, promotions, and on-shelf availability stay aligned by store, region, and channel.

E-Commerce

E-Commerce

E-commerce marketplaces and direct-to-consumer brands treat speed and personalization as core levers. Their lakes stream click, session, catalog, and order events into feature-ready tables, so recommendation engines, pricing experiments, and marketing attribution read from the same high-velocity behavior history.

Transportation and Logistics

Transportation and Logistics

Fleet and operations teams work with delayed, noisy telemetry from vehicles and depots. Their lakes accept late IoT events, clean and deduplicate them, and power both real-time ETA and dispatch dashboards and longer-term models for route optimization and maintenance planning.

Beauty & Personal Care

Beauty & Personal Care

Brands and retailers in beauty rely on data lakes to integrate SKU-level transactions, campaign metrics, and review text into unified schemas. Structured zones support product lifecycle analysis, demand forecasting, and formulation optimization, while governance layers keep customer attributes pseudonymized for compliance and ethical AI use.

OTA (Travel) Scraping

OTA (Travel) Scraping

Travel and revenue teams monitor volatile prices across OTAs, metasearch, and supplier sites. Their lakes collect fares, availability, and restrictions as time-stamped snapshots, so parity checks, undercutting analysis, and competitor tracking by route and market run on a complete pricing history rather than on manual spot checks.

Telecommunications

Telecommunications

Telecom operators track network health, customer activity, and service quality at a massive scale. Their lakes ingest call-detail records, network events, tickets, and product data as streaming and batch feeds, with partitioning that keeps logs queryable for network planning, churn analysis, and quality-of-service reporting on a shared event history.

Automotive

Automotive

Automotive manufacturers and mobility providers rely on telemetry and service data for each asset. Their lakes align vehicle sensor streams with workshop records, warranty claims, and parts inventory, enabling teams to build predictive maintenance models, usage-based products, and supply chain forecasts on a stable view of every vehicle.

Transforming Data Challenges into Strategic Assets

Focus Area

What Breaks:

GroupBWT Solution :

Scalability

Legacy systems crash at peak load, stalling ingestion and orders.

Engineered queues and ingestion paths stay stable under heavy traffic.

Governance

Data leaks happen when access and audit trails are unclear.

Automated lineage gives auditors instant, end-to-end evidence.

Data Quality

Bad data hides in averages until KPIs are already wrong.

Observability + alerts catch null spikes and anomalies early.

Schema Drift

Silent schema updates break reports and downstream workflows.

Delta Lake supports safe schema evolution and readable history.

Model Training

Unversioned data makes training non-reproducible and models drift.

Full lineage enables reproducible AI training and controlled change.

Scalability

What Breaks

Legacy systems crash at peak load, stalling ingestion and orders.

GroupBWT Solution 

Engineered queues and ingestion paths stay stable under heavy traffic.

Governance

What Breaks

Data leaks happen when access and audit trails are unclear.

GroupBWT Solution 

Automated lineage gives auditors instant, end-to-end evidence.

Data Quality

What Breaks

Bad data hides in averages until KPIs are already wrong.

GroupBWT Solution 

Observability + alerts catch null spikes and anomalies early.

Schema Drift

What Breaks

Silent schema updates break reports and downstream workflows.

GroupBWT Solution 

Delta Lake supports safe schema evolution and readable history.

Model Training

What Breaks

Unversioned data makes training non-reproducible and models drift.

GroupBWT Solution 

Full lineage enables reproducible AI training and controlled change.

Technology Stack for Data Lake Consulting & Development

Distributed Processing & Compute

We design compute around workload size and SLA. Teams get predictable runtime and spend for both batch and interactive analytics.

Apache Spark, Databricks

Terabyte-scale processing with tuned cluster policies, autoscaling, and the Photon engine to shorten runtimes and control cost.

Terabyte-scale processing with tuned cluster policies, autoscaling, and the Photon engine to shorten runtimes and control cost.
Terabyte-scale processing with tuned cluster policies, autoscaling, and the Photon engine to shorten runtimes and control cost.

Dask, Ray, dbt

Python-first pipelines in which Dask or Ray handle parallel workloads, while dbt keeps transformations modular, versioned, and reviewable.

Python-first pipelines in which Dask or Ray handle parallel workloads, while dbt keeps transformations modular, versioned, and reviewable.
Python-first pipelines in which Dask or Ray handle parallel workloads, while dbt keeps transformations modular, versioned, and reviewable.
Python-first pipelines in which Dask or Ray handle parallel workloads, while dbt keeps transformations modular, versioned, and reviewable.

Storage & Table Formats

We pick table formats that stay stable when source systems change. Analytics teams can query history, roll back mistakes, and evolve models safely.

Delta Lake, Apache Iceberg

ACID tables with time travel and controlled schema evolution so reports and models survive upstream field changes.

ACID tables with time travel and controlled schema evolution so reports and models survive upstream field changes.
ACID tables with time travel and controlled schema evolution so reports and models survive upstream field changes.

Object Storage on AWS, Azure, GCP

Durable, scalable storage that separates compute from data and supports both experimental and production workloads.

Durable, scalable storage that separates compute from data and supports both experimental and production workloads.
Durable, scalable storage that separates compute from data and supports both experimental and production workloads.
Durable, scalable storage that separates compute from data and supports both experimental and production workloads.

Orchestration & Observability

We build pipelines that fail clearly, restart cleanly, and expose their behavior to both engineers and stakeholders.

Apache Airflow, Dagster

Idempotent DAGs with explicit dependencies and checkpoints so reruns do not create duplicates and recovery stays predictable.

Idempotent DAGs with explicit dependencies and checkpoints so reruns do not create duplicates and recovery stays predictable.
Idempotent DAGs with explicit dependencies and checkpoints so reruns do not create duplicates and recovery stays predictable.

DataHub, Monte Carlo

Central lineage and data quality monitoring that tracks owners, usage, volume shifts, null spikes, and distribution changes.

Central lineage and data quality monitoring that tracks owners, usage, volume shifts, null spikes, and distribution changes.
Central lineage and data quality monitoring that tracks owners, usage, volume shifts, null spikes, and distribution changes.

Governance & Data Quality Controls

We embed governance into the lake design so each dataset has clear rules, owners, and protections.

Lake Zones, Access Policies

Structured raw, curated, and serving zones with role-based and row-level access rules defined in the lake itself.

PII Protection & Encryption Standards

Field-level encryption, masking, and audited access paths for regulated attributes such as PII.

Cloud Platforms & Cost Management

We apply the same operating model on AWS, Azure, and GCP, and keep costs tied to clear usage patterns.

PII Protection & Encryption Standards

AWS, Azure, GCP

AWS, Azure, GCP
AWS, Azure, GCP
AWS, Azure, GCP

Compute & Storage Cost Controls

Spot instances for tolerant batch work, stable nodes for strict SLAs, and lifecycle policies that move cold data to cheaper tiers based on observed query patterns.

Big Data Lakes Solutions and Consulting Services​ Benefits

01.

Reduced Effort

Data arrives in stable, consistent structures—so teams spend less time fixing mismatches, broken joins, and time-shift errors.

02.

Predictable Spend

Optimized storage and query patterns reduce scan waste—so costs track with usage instead of spiking without explanation.

03.

Faster Audits

Every change and access event is automatically traceable—so audits require fewer manual log pulls and close faster with lower risk.

04.

Trusted Analytics

Versioned, consistent datasets prevent silent drift—so dashboards, forecasts, and training runs stay repeatable and trustworthy.

GroupBWT Data Lake Engineering Services in Steps 

Our engineers design ingestion logic, storage models, and governance paths that match the real behaviour of each sector. Enterprise data lake consulting services follow a precise sequence so leaders see how the lake moves from idea to production and then into routine use.

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Clarify goals and decision points

Consultants meet business and technical stakeholders in one room. They agree on target decisions, required horizons, and the limits around budget, risk, and headcount. This step defines success metrics before any design work starts.

Map the current data landscape

Engineers inventory sources, feeds, and existing stores. They trace how fields move between systems, where timing breaks occur, and where teams lose detail. The result is a precise picture of inputs, gaps, and failure patterns.

Shape the lake blueprint

Architects draft a lake layout tailored to your sector and workloads. They decide how domains group into zones, which access patterns matter most, and how retention periods align with legal and analytical needs. Cost behavior and scaling rules are part of the blueprint, not on a separate slide.

Plan the delivery path

The team converts the blueprint into a phased roadmap. They define work batches, milestones, and ownership for both GroupBWT and internal teams. High-risk elements appear early, with explicit rollback and validation strategies.

Build pipelines and table structures

Engineers implement ingestion flows, table schemas, and transformation layers that adhere to the agreed-upon shapes. They embed tests for schema, volume, and business rules, so bad feeds stop before they pollute reporting and models. Parallel runs compare new outputs with legacy reports until leaders accept the new baseline.

Wire in observability and controls

Specialists configure monitoring, lineage tracking, and access rules around critical datasets. They expose health views for engineering and management, covering freshness, data drift, and usage. This step gives leadership direct visibility into how the lake behaves day-to-day.

Enable teams to work with the lake

GroupBWT coaches analysts, engineers, and product owners on how to use the new structures. Sessions cover query patterns, sandbox practices, and safe ways to add new sources. Playbooks and field guides help new staff adapt without a long ramp-up.

Review, optimize, and extend

After launch, the team reviews query logs, spend patterns, and incident history. They refine partitions, storage classes, and workloads where reality diverges from the original plan. When new products or regions appear, the same step sequence scales the lake without disrupting current users.

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Data Lake Consulting at GroupBWT

Our engineers design and operate data pipelines for global enterprises. We align architecture with technical limits, regulatory rules, and business goals. This gives companies systems that remain predictable as tools, traffic, and teams expand.

Long-Standing Engineering Practice

GroupBWT brings over sixteen years of focused work with data platforms. Engineers manage strict field rules, long retention cycles, and complex ingestion logic with clear structure. This depth of experience helps companies build systems that stay stable under pressure.

Experience With Varied Workloads

Our team handles logs, events, transactional streams, and significant batch inputs. Engineers design ingestion logic that stays consistent when formats change or new tools enter the ecosystem. This supports companies that operate many systems across multiple regions.

Knowledge of Regulated Environments

Many sectors follow strict handling rules for sensitive fields. We prepare access models, lineage routes, and storage layouts that support these requirements without slowing daily operations. This keeps compliance work grounded in accurate evidence.

Clarity Across Cloud Platforms

Companies rely on AWS, Azure, and GCP. Our specialists tune storage classes, compute limits, and update cycles for each cloud provider. This keeps workloads efficient and gives teams predictable performance during busy periods.

Ability to Support Large-Scale Changes

Enterprises change tools, merge systems, and expand workloads. We prepare architectures that tolerate these shifts without breaking downstream use. This protects daily operations and prevents repeated rebuilds.

Shared Documentation for Every Step

Leaders need clear documentation to maintain long-term programs. Our engineers prepare storage plans, update sequences, and field definitions that remain easy to read and review. This helps teams keep structures aligned after each change.

Support for Multi-Team Environments

Large organizations depend on many groups with different goals. We create layouts that remain readable for analysts, engineers, and product teams. This reduces friction and helps teams move through their work with a shared understanding of the data.

Stable Capacity for Long-Term Programs

Some firms cannot staff every engineering task internally. We provide stable delivery capacity for long-running analytical initiatives. This supports continuous development without interrupting ongoing work.

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Meet our Data & Technology Leaders

Book a call with GroupBWT to review your data lake plans and see how our enterprise data lake consulting services establish stable ingestion, processing, and analytical pathways.

Our partnerships and awards

GroupBWT recognized among Top B2B companies in Ukraine by Clutch in 2019
Award from Goodfirms
GroupBWT recognized as TechBehemoths awards 2024 winner in Branding, UK

What Our Clients Say

Inga B.

What do you like best?

Their deep understanding of our needs and how to craft a solution that provides more opportunities for managing our data. Their data solution, enhanced with AI features, allows us to easily manage diverse data sources and quickly get actionable insights from data.

What do you dislike?

It took some time to align the a multi-source data scraping platform functionality with our specific workflows. But we quickly adapted and the final result fully met our requirements.

Catherine I.

What do you like best?

It was incredible how they could build precisely what we wanted. They were genuine experts in data scraping; project management was also great, and each phase of the project was on time, with quick feedback.

What do you dislike?

We have no comments on the work performed.

Susan C.

What do you like best?

GroupBWT is the preferred choice for competitive intelligence through complex data extraction. Their approach, technical skills, and customization options make them valuable partners. Nevertheless, be prepared to invest time in initial solution development.

What do you dislike?

GroupBWT provided us with a solution to collect real-time data on competitor micro-mobility services so we could monitor vehicle availability and locations. This data has given us a clear view of the market in specific areas, allowing us to refine our operational strategy and stay competitive.

Pavlo U

What do you like best?

The company's dedication to understanding our needs for collecting competitor data was exemplary. Their methodology for extracting complex data sets was methodical and precise. What impressed me most was their adaptability and collaboration with our team, ensuring the data was relevant and actionable for our market analysis.

What do you dislike?

Finding a downside is challenging, as they consistently met our expectations and provided timely updates. If anything, I would have appreciated an even more detailed roadmap at the project's outset. However, this didn't hamper our overall experience.

Verified User in Computer Software

What do you like best?

GroupBWT excels at providing tailored data scraping solutions perfectly suited to our specific needs for competitor analysis and market research. The flexibility of the platform they created allows us to track a wide range of data, from price changes to product modifications and customer reviews, making it a great fit for our needs. This high level of personalization delivers timely, valuable insights that enable us to stay competitive and make proactive decisions

What do you dislike?

Given the complexity and customization of our project, we later decided that we needed a few additional sources after the project had started.

Verified User in Computer Software

What do you like best?

What we liked most was how GroupBWT created a flexible system that efficiently handles large amounts of data. Their innovative technology and expertise helped us quickly understand market trends and make smarter decisions

What do you dislike?

The entire process was easy and fast, so there were no downsides

Inga B.

What do you like best?

Their deep understanding of our needs and how to craft a solution that provides more opportunities for managing our data. Their data solution, enhanced with AI features, allows us to easily manage diverse data sources and quickly get actionable insights from data.

What do you dislike?

It took some time to align the a multi-source data scraping platform functionality with our specific workflows. But we quickly adapted and the final result fully met our requirements.

Catherine I.

What do you like best?

It was incredible how they could build precisely what we wanted. They were genuine experts in data scraping; project management was also great, and each phase of the project was on time, with quick feedback.

What do you dislike?

We have no comments on the work performed.

Susan C.

What do you like best?

GroupBWT is the preferred choice for competitive intelligence through complex data extraction. Their approach, technical skills, and customization options make them valuable partners. Nevertheless, be prepared to invest time in initial solution development.

What do you dislike?

GroupBWT provided us with a solution to collect real-time data on competitor micro-mobility services so we could monitor vehicle availability and locations. This data has given us a clear view of the market in specific areas, allowing us to refine our operational strategy and stay competitive.

Pavlo U

What do you like best?

The company's dedication to understanding our needs for collecting competitor data was exemplary. Their methodology for extracting complex data sets was methodical and precise. What impressed me most was their adaptability and collaboration with our team, ensuring the data was relevant and actionable for our market analysis.

What do you dislike?

Finding a downside is challenging, as they consistently met our expectations and provided timely updates. If anything, I would have appreciated an even more detailed roadmap at the project's outset. However, this didn't hamper our overall experience.

Verified User in Computer Software

What do you like best?

GroupBWT excels at providing tailored data scraping solutions perfectly suited to our specific needs for competitor analysis and market research. The flexibility of the platform they created allows us to track a wide range of data, from price changes to product modifications and customer reviews, making it a great fit for our needs. This high level of personalization delivers timely, valuable insights that enable us to stay competitive and make proactive decisions

What do you dislike?

Given the complexity and customization of our project, we later decided that we needed a few additional sources after the project had started.

Verified User in Computer Software

What do you like best?

What we liked most was how GroupBWT created a flexible system that efficiently handles large amounts of data. Their innovative technology and expertise helped us quickly understand market trends and make smarter decisions

What do you dislike?

The entire process was easy and fast, so there were no downsides

FAQ

What is the difference between a data lake and a data warehouse?

A data lake stores raw data from any system and maintains flexible formats. A warehouse stores structured tables with fixed field rules. Teams use lakes for broad histories and open-ended processing. They use warehouses for stable reporting and controlled metrics.

How do I decide if my company needs a lake or a warehouse?

Companies choose a lake when sources change formats, traffic grows, or workloads evolve. They choose a warehouse when they need fixed tables for planning and reporting. Scale, timing, and compliance conditions guide this decision.

How can a cloud-based data lake reduce operational costs?

A cloud lake removes the need for local hardware and routine maintenance. Teams choose storage tiers and compute classes that match real workloads. Through optimized partitioning and format selection (Parquet/Delta), we typically help clients reduce their monthly scan costs by 30-40%. This allows companies to control monthly costs and adjust capacity around usage.

What do cloud data lakes consulting services include?

Consulting covers storage design, zone planning, ingestion logic, workload timing, and cost behavior. To date, we have securely migrated over 50 Petabytes of historical enterprise data across major cloud platforms without incurring operational downtime. Engineers prepare folder structures and compute routes for AWS, Azure, and GCP. Each plan reflects the company’s data shape and performance needs.

How do I know if my company needs cloud data lake consulting?

Companies seek guidance when volumes rise, ingestion breaks, or compliance requirements change. They also request support when internal teams lack cloud engineering capacity for scalable design.

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