Services

Ten service lines.One accountable engineering standard.

From a first discovery workshop to 24/7 support of a mission-critical platform — the same senior bar applies at every step.

  • ISO 27001
  • SOC 2 Type II
  • Named architects
Accumen Software engineers at work

Capabilities

Everything an enterprise needs to ship

Practised daily by 2,400+ engineers. Pick one line or combine them into a full lifecycle programme.

01

Custom Software Development

Purpose-built platforms engineered around your business logic

Off-the-shelf software caps what your business can become. We design and build bespoke platforms, products and internal systems that encode exactly how you win — and evolve with you release after release.

  • Product strategy & discovery
  • Domain-driven architecture
  • Full-stack build & QA
  • Continuous product iteration
02

Web Development

High-performance web applications, portals and platforms

From customer portals that carry millions of sessions to internal tools your teams live in, we build accessible, secure and fast web experiences on modern frameworks with performance budgets enforced from day one.

  • React, Angular & Vue platforms
  • Design systems & accessibility
  • Headless CMS & commerce
  • Core Web Vitals engineering
03

Mobile Application Development

Native and cross-platform apps your customers love to use

We ship iOS and Android applications that feel effortless — whether a native experience for a bank's flagship app or a cross-platform product moving fast across markets, always instrumented for real-world telemetry.

  • Swift, Kotlin & React Native
  • Offline-first sync architectures
  • App-store strategy & releases
  • Mobile analytics & experimentation
04

Enterprise Software Solutions

Systems of record and internal platforms at enterprise scale

ERPs, workflow engines, compliance platforms — the load-bearing software of large organisations. We modernise and build these systems with the rigour their criticality demands, without pausing the business.

  • Legacy modernisation roadmaps
  • Workflow & rules engines
  • Systems integration at scale
  • Enterprise security & audit
05

CRM Development

CRM platforms shaped to your sales, service and success motions

Your CRM should mirror how your customers actually buy. We customise and extend Salesforce and Dynamics, and build bespoke CRM suites where the pipeline, service and marketing journeys work as one.

  • Salesforce & Dynamics expertise
  • Customer 360 data models
  • Journey automation
  • Adoption programmes & training
06

Cloud Solutions

Cloud architecture, migration and FinOps across AWS, Azure and GCP

Cloud is an operating model, not a destination. We architect landing zones, migrate mission-critical estates with zero-downtime cutovers, and run FinOps programmes that keep the bill honest as you scale.

  • Landing zones & governance
  • Zero-downtime migration
  • Kubernetes & serverless
  • FinOps & cost optimisation
07

API Development and Integration

API-first architecture and seamless integration across your estate

Enterprises run on connections. We design API platforms with contracts, gateways and observability baked in — then integrate ERPs, SaaS and partners until data flows without a human in the middle.

  • REST, GraphQL & event streams
  • API gateways & developer portals
  • ERP, SaaS & partner integration
  • Contract testing & versioning
08

Data Engineering

Pipelines, warehouses and governance that make data trustworthy

Decisions deserve better than a dashboard of doubts. We build governed data platforms — pipelines, warehouses, lakehouses and catalogues — so every metric your leadership sees is one it can trust.

  • Streaming & batch pipelines
  • Snowflake, Databricks & dbt
  • Data quality & observability
  • Governance & lineage
09

Software Testing

Quality engineering built into every delivery stream

Quality is engineered in, not inspected in at the end. Our QA practices embed automated test suites, performance and security testing into your pipelines, protecting releases without slowing them.

  • Test automation frameworks
  • Performance & load testing
  • Security & penetration testing
  • QA transformation programmes
10

Application Maintenance and Support

24/7 support, SLAs and continuous improvement for live systems

Launch is the starting line. Our follow-the-sun support teams keep mission-critical applications healthy around the clock — with SLAs, proactive monitoring and a continuous improvement backlog.

  • 24/7 follow-the-sun support
  • Proactive observability
  • SLA-driven incident response
  • Continuous improvement backlog

Delivery methodology

A rhythm you can set your watch by

Four phases, two-week increments, demo-able progress every sprint.

01

Discover & architect

Workshops, audits and a named-architect blueprint. You see risks, options and a costed roadmap before a line of production code.

02

Build in increments

Two-week increments with demo-able progress every sprint. Quality gates, security scans and observability from the first commit.

03

Harden & launch

Load tests, failover drills and cutover rehearsals. We launch when the platform proves it, not when the calendar says so.

04

Run & improve

SLA-backed support, proactive monitoring and a continuous improvement backlog that keeps the platform earning.

Engagement models

Work with us the way that fits

Three commercial models — each with named architects, shared milestones and exit-ready documentation.

Dedicated engineering pods

Cross-functional pods embedded in your organisation, scaling from five engineers to fifty as the roadmap demands.

  • Direct daily collaboration
  • Your tools, rituals & backlog
  • Month-to-month flexibility

Outcome-based projects

Fixed-scope deliveries against measurable outcomes — a replatform, an integration, a launch — with shared milestones and SLAs.

  • Named architects & delivery lead
  • Milestone-based governance
  • Warranty & hypercare included

Build–operate–transfer

We build the platform, run it under SLA, then transfer it — and its playbook — to your teams when you are ready.

  • 24/7 operation under SLA
  • Run-book & knowledge transfer
  • Exit-ready documentation

Tooling

The stack behind the services

Pragmatic choices made with your platform team, not against it.

Interfaces engineered for speed, accessibility and delight across web and native mobile.

  • React
  • Next.js
  • Angular
  • Vue.js
  • TypeScript
  • React Native
  • Swift
  • Kotlin
  • Flutter

Let's build together

Not sure which service you need?

Describe the problem. An architect will map the shortest route to the outcome.