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Your Trusted AWS Consulting Partner

As an AWS Advanced Tier Consulting Partner, D55 combines certified expertise with exclusive AWS funding programs to help you migrate, modernise, and innovate faster, while reducing cost and risk.

Start Your AWS Project

Cloud Consultancy Service

Expert Guidance for Every Step of Your AWS Journey.

Cloud Migration Services

Your AWS migration, simplified.

Application Modernisation

Modernise your infrastructure with scalable cloud-native solutions.

AI

Empower your business with AI-driven innovation.

Data Modernisation

Harness the power of Data to transform operations.

Cloud Native Development

Accelerate innovation with scalable cloud-native apps.

System Integration

Unify Systems to enhance efficiency and value.

Managed Services

Boost Efficiency with Scalable Managed Services.

AWS Billing

Clarity and Control Over Your AWS Costs.

Funded AWS Programs

Access Well-Architected Reviews, Migration Acceleration Program (MAP), and optimisation assessments that reduce cost and risk.

Proven AWS Competencies

Accredited in Energy, Microsoft Workloads, ECS, Lambda, and more.

Cost Optimisation

Licensing reviews and modernisation roadmaps that cut waste and improve ROI.

Validated Results

Transparent AWS case studies that show measurable savings, speed, and innovation.

Cloud Cost Optimisation

Gain visibility and control over spend with proactive FinOps.

Security & Compliance

Continuous monitoring and governance to meet regulatory demands.

Operational Efficiency

Automate routine tasks to free teams for innovation.

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Lower Costs

Clients save up to 40% on infrastructure after migration.

Faster Transformation

Projects delivered quicker with AWS frameworks and funding.

Lower Costs

Real-time analytics, new digital services, and smarter operations unlocked.

Explore our case studies

Recognised AWS Advanced Tier Partner

Trusted AWS consultancy UK businesses on

Access to AWS funding & partner programs

Agile, outcome-driven delivery aligned to AWS best practices

Solving problems and supporting innovation

Real-World Success Stories

Our notable area of specialism is the energy sector, where we have deep domain knowledge. However, the commonality of the challenges means that frequently work across diverse industries, including for private equity backed growth businesses, and would love to talk to you about how D55 can redefine how you think about modernisation.

Take a look at our collection of case studies showcasing the transformative impact of partnering with D55 and AWS.

All case studies

Amber

Amber is a forward-thinking energy and utilities provider committed to delivering efficient, reliable, and user-friendly services to its customers.

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A Software Provider for the Energy Industry

D55 partnered with the customer to design and implement a high-performance, serverless pricing engine using AWS that delivers faster, scalable energy pricing capabilities for their SaaS platform.

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Switch2

Switch2 is the UK’s most experienced and capable provider of end-to-end solutions for heat networks.

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ITP Energised

ITPEnergised is a world-leading consultancy offering energy, environmental, engineering, technical advisory and renewables asset management services.

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OnGen

OnGen developed a sophisticated Excel model to perform the calculations necessary to determine which technologies work for a given location based on a customer’s financial or carbon-saving goals.

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A UK-based sustainable B2B Energy supplier

Reliably integrated systems means the customer can scale efficiently and a new data lake has improved data quality and enabled rapid data-driven decision making to release new and innovative solutions.

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Unlock AWS Potential With D55

With D55, your AWS journey is backed by certified expertise, exclusive programs, and proven results

FAQs

1. What does it mean to be an AWS Advanced Tier Consulting Partner?

It means AWS has validated D55’s technical expertise, certified team, and customer success record.

2. How do AWS funding programs help clients?

They reduce the cost of migration and de-risk transformation by covering part of the investment.

3.Does D55 focus only on AWS?

Yes. We are AWS-first and specialise exclusively in helping organisations get the most from AWS.

4. Which industries does D55 serve?

Energy, pharmaceuticals, retail, HR, finance, e-commerce, SaaS & ISVs and other regulated sectors.

What our Clients Say

“While we led the initial business scoping and discussions with key stakeholders, it was a very smooth process working the D55 team to expand on this vision. The D55 team took ownership of building the solution and worked closely with us throughout the process. The quality of the work, combined with the excellent support during the handover, is exactly what we value in a partner.”

Andrew Thomas

CTO

Amber

" D55 enabled us to migrate from on-premise to a cloud-based solution, resulting in monthly cost savings of about 40%. Cloud-based systems give us a high level of resiliency and an unlimited capacity to scale. We’ve really put in place the foundations for later phases of work and further cost reduction as we scale. It was a partnership as opposed to a service - we work well together. "

Roger Worsley

CTO

kooomo

"Excellent technical knowledge, productive and responsive. Will go the extra mile to ensure customer satisfaction."

Chris Trigg

Co-Founder, Managing Director

ongen

"D55 are a highly experienced team that helped lead our business to push for and deliver an innovative and ambitious legacy to AWS transformation, with confidence. D55 have become a valued development and consultancy partner thanks to their excellent practical capability and their ability to apply the most appropriate working methodology to the challenge at hand."

Ed Berry

Head of Digital Products

switch2

"D55 have helped to develop our CRM system and have been a valued partner in this process. We continue to work with D55 on our application development and would have no hesitation to recommend them."

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Andrew Bright

Director

itp-energised

"D55 have proved to be an excellent development partner offering expertise and predictable delivery, with flexibility to respond to changing business needs. They have helped us explore new AWS technologies, challenged our thinking and sped up our adoption of relevant platform services."

Arran Stevenson

Director of Architecture

ensek

“D55 has been transformative for our business. They understood the business and our challenges and built a system that supports how we work now, as well as leveraging new technologies which are more cost-effective and increase our speed to deliver. Thanks to D55 we don’t have to worry about the day-to-day, so we can focus on the exceptional issues facing our industry."

D55 Client

CTO

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