Top 25 DevOps & Platform Modernization Companies (2026)

Selection rule: every company below is one this site holds a research record for in devops & platform modernization — a documented migration path, a service engagement, or a hub-scoped vendor profile — and the 25 that qualify are listed alphabetically, never ranked or scored. Paid Featured placements are labeled and do not change the ordering.

Approach labels below use the seven modernization options — the line between replatforming and rebuilding a delivery platform.

Updated ·Peter Korpak·Methodology

Compare devops & platform modernization companies

Filter by what a company migrates from, its modernization approach, supplier type, team size, or region. Listed alphabetically — never ranked, scored, or rated. “Featured” is a labeled paid slot and does not change the ordering.

Migrates from:
Approach:
Supplier type:
Team size:
Region:
DevOps & Platform Modernization company comparison: source stack, approach, supplier type, team size, region, and documented evidence
CompanyApproachTypeTeam sizeRegion
Accenture
Replatform
AgencyEnterpriseGlobal1 documented source
AltexSoft
Refactor
AgencyMid-sizeUSA / Europe1 documented source
AWS Professional Services
Replatform
AgencyEnterpriseGlobal (AWS Regions)1 documented source
Cognizant
Refactor
AgencyEnterpriseGlobal (US HQ)1 documented source
Contino
Replatform
AgencyMid-sizeGlobal1 documented source
DigitalOcean
Replatform
Platform1 documented source
Endava
Refactor
AgencyEnterpriseGlobal1 documented source
EPAM Systems
Replatform
AgencyEnterpriseGlobal (USA HQ)1 documented source
Google Cloud Consulting
Replatform
AgencyEnterpriseGlobal (GCP Regions)1 documented source
Grid Dynamics
ReplatformRefactor
AgencyMid-sizeUSA / Global2 documented sources
IBM Consulting
Refactor
AgencyEnterpriseGlobal1 documented source
Instaclustr (NetApp)
Replatform
Agency1 documented source
Intellias
Refactor
AgencyEnterpriseUkraine (Global)1 documented source
N-iX
Refactor
AgencyMid-sizeEurope / Global1 documented source
Nearform
Replatform
AgencyMid-sizeGlobal1 documented source
Oracle Cloud Infrastructure
Replatform
Platform1 documented source
Percona
Replatform
Agency1 documented source
PLANEKS
Refactor
Agency1 documented source
Redis Ltd
Replatform
Agency1 documented source
Scaleway
Replatform
Agency1 documented source
Slalom
Replatform
AgencyEnterpriseUSA / Global1 documented source
Techzert
Refactor
Agency1 documented source
Thoughtworks
ReplatformRefactor
AgencyEnterpriseGlobal3 documented sources
Valkey Consulting
Replatform
Agency1 documented source
Xebia
Replatform
AgencyEnterpriseGlobal1 documented source

“Documented evidence” counts the migration paths and services in this domain where we hold a relationship record for that company — each one links to the page it came from, under the company’s entry below.

Approach matrix

How DevOps & Platform Modernization companies map to modernization approach

Rows group devops & platform modernization companies by modernization approach, defined in our 7 Rs of application modernization framework; columns separate product vendors from delivery firms.

Replatform is the most common approach here, documented by 17 of 25 companies in devops & platform modernization. Product vendors and delivery firms both cluster in Replatform.
ApproachProductDelivery firm
Rehostsame code, new infrastructure or emulatorProductNone documentedDelivery firmNone documented
Replatformsame core code, swapped runtime or managed servicesProductDelivery firm
Refactorthe existing code is converted or restructured in placeProductNone documentedDelivery firm
Rewriterebuilt from scratch on a new architectureProductNone documentedDelivery firmNone documented
Replaceswapped for a commercial or SaaS productProductNone documentedDelivery firmNone documented
Retain & optimizekept in place and improvedProductNone documentedDelivery firmNone documented

What each company delivers in devops & platform modernization

One entry per company, carrying only attributes we can point at a source for. Where a company has no published evidence for an attribute, nothing is shown rather than a placeholder.

Engagement bands in this domain

Small
$40K–$150K
Mid-market
$100K–$400K
Enterprise
$200K–$1M

Spans are the published pricing tiers on this domain’s service pages (API Modernization Services, Platform Engineering Services), cross-checked against the cost benchmarks. A company is placed in a band by its team size — this is a statement about the size of engagement firms of that scale typically deliver here, not a rate card. We publish no per-vendor rates.

  • Accenture

    Agency

    A platform engineering practice scoped for Global 2000 environments, replatforming infrastructure for multi-business-unit organizations rather than single-team or mid-market platform builds.

    Replatform
    Best for
    Global 2000 complex environments
    Firm profile
    Enterprise · Global
    Typical engagement band
    Enterprise · $200K–$1M
  • AltexSoft

    Agency

    A travel-tech-focused API practice that re-architects legacy interfaces for travel, hospitality, and logistics clients specifically, rather than general cross-industry integration work.

    Refactor
    Best for
    Travel, hospitality, logistics industries
    Firm profile
    Mid-size · USA / Europe
    Typical engagement band
    Mid-market · $100K–$400K
  • AWS Professional Services runs Redis-to-Valkey migrations on ElastiCache, moving customers from ElastiCache Redis to ElastiCache Valkey with the zero-downtime path AWS's own native tooling is built to support.

    Replatform
    Best for
    AWS customers seeking zero-downtime, managed migration with native tooling
    Modernizes
    Redis to Valkey
    Firm profile
    Enterprise · Global (AWS Regions)
    Typical engagement band
    Enterprise · $200K–$1M
  • Cognizant

    Agency

    Cognizant applies its Skygrade platform's generative-AI tooling to API Modernization Services, automating microservices decomposition for large-scale transformations rather than manual, service-by-service rebuilds.

    Refactor
    Best for
    Large-scale transformations with automation needs
    Firm profile
    Enterprise · Global (US HQ)
    Typical engagement band
    Enterprise · $200K–$1M
  • Contino

    Agency

    A DevOps and platform consultancy whose Platform Engineering Services concentrate on regulated industries — finance and government — building enterprise-grade platforms and training internal teams to run them.

    Replatform
    Best for
    Regulated industries (Finance/Gov)
    Firm profile
    Mid-size · Global
    Typical engagement band
    Mid-market · $100K–$400K
  • DigitalOcean

    Platform

    DigitalOcean provides managed Valkey for Redis-compatible clients, handling provisioning, scaling, maintenance, backups, and updates; it is a destination service, not a migration workflow for every Redis workload.

    Replatform
    Best for
    Startups and SMBs needing simple, affordable managed Valkey
  • Endava

    Agency

    Endava's API Modernization Services are scoped to financial services specifically — banks, fintechs, and payment processors — retooling legacy interfaces through a refactor-first approach rather than a lift-and-shift replatform.

    Refactor
    Best for
    Banks, fintech, payment processors
    Firm profile
    Enterprise · Global
    Typical engagement band
    Enterprise · $200K–$1M
  • EPAM Systems runs large-scale platform build-outs under what it calls 'Engineering DNA,' pairing its own SAMP framework with an emphasis on re-engineering code rather than a straight lift-and-shift migration.

    Replatform
    Best for
    Large-scale platform build-outs
    Firm profile
    Enterprise · Global (USA HQ)
    Typical engagement band
    Enterprise · $200K–$1M
  • Google Cloud Consulting migrates GCP customers off Memorystore for Redis and onto Memorystore for Valkey, keeping the transition inside Google's own managed-database tooling rather than a third-party migration layer.

    Replatform
    Best for
    GCP customers migrating from Memorystore for Redis to Memorystore for Valkey
    Modernizes
    Redis to Valkey
    Firm profile
    Enterprise · Global (GCP Regions)
    Typical engagement band
    Enterprise · $200K–$1M
  • Grid Dynamics combines API Modernization and Platform Engineering work under one retail-and-ecommerce focus, building cloud-native platforms and API layers specifically for consumer-tech companies rather than a general enterprise practice.

    ReplatformRefactor
    Best for
    Retail, ecommerce, consumer tech
    Firm profile
    Mid-size · USA / Global
    Typical engagement band
    Mid-market · $100K–$400K
  • IBM Consulting's API Modernization Services center on IBM API Connect, converting mainframe SOAP interfaces to REST — a fit specifically for shops standardized on IBM middleware rather than a vendor-neutral gateway.

    Refactor
    Best for
    Enterprises with mainframe systems needing SOAP→REST
    Firm profile
    Enterprise · Global
    Typical engagement band
    Enterprise · $200K–$1M
  • Instaclustr, acquired by NetApp in 2023, runs fully managed Valkey across AWS, Azure, and GCP for companies avoiding single-cloud lock-in — though its managed pricing can run two to three times the cost of self-managing the database.

    Replatform
    Best for
    Companies wanting fully managed Valkey without cloud provider lock-in
    Modernizes
    Redis to Valkey
  • Intellias

    Agency

    Custom API Building & Strategy

    Refactor
    Best for
    Complex legacy system API transformation
    Firm profile
    Enterprise · Ukraine (Global)
    Typical engagement band
    Enterprise · $200K–$1M
  • N-iX

    Agency

    N-iX pairs API lifecycle management with UI/UX work, positioning itself for full-stack modernization engagements that cover both the API layer and the frontend rather than backend integration alone.

    Refactor
    Best for
    Full-stack modernization (API + frontend)
    Firm profile
    Mid-size · Europe / Global
    Typical engagement band
    Mid-market · $100K–$400K
  • Nearform

    Agency

    A developer-experience (DevEx) specialist whose Platform Engineering Services draw on open-source engineering work to build internal platforms for high-performance teams.

    Replatform
    Best for
    High-performance engineering teams
    Firm profile
    Mid-size · Global
    Typical engagement band
    Mid-market · $100K–$400K
  • OCI Cache upgrades Redis 7.0 clusters to a Valkey-based engine through the console, CLI, or API; the upgrade cannot be rolled back, so application testing comes first.

    Replatform
    Best for
    Oracle Cloud users needing one-click Redis→Valkey upgrade within OCI Cache
  • Percona

    Agency

    For Redis-to-Valkey decisions, Percona provides assessment, compatibility analysis, and migration-roadmap consulting across cloud, Kubernetes, hybrid, and on-premises estates rather than a managed target platform.

    Replatform
    Best for
    Companies needing licensing audit, compatibility analysis, and migration roadmap before committing
  • PLANEKS

    Agency

    PLANEKS moves teams off legacy REST built on Django and FastAPI and onto GraphQL secured with OAuth 2.0, JWT, and RBAC, under its Python/GraphQL API Modernization practice.

    Refactor
    Best for
    Teams adopting GraphQL or Python-based APIs
  • Redis Ltd

    Agency

    Redis Ltd is the company behind Redis itself, not a migration vendor — it offers Redis Enterprise with proprietary Stack modules like RediSearch and RedisJSON for teams staying on commercial licensing rather than following the 2024 Valkey fork.

    Replatform
    Best for
    Companies heavily dependent on Redis Stack modules willing to pay for commercial licensing
    Modernizes
    Redis to Valkey
  • Scaleway

    Agency

    Scaleway, a subsidiary of France's Iliad Group, offers managed Valkey scoped to European data residency and GDPR compliance, aimed at EU-based startups and SMBs rather than global, multi-region deployments.

    Replatform
    Best for
    EU-based companies prioritizing European data residency and GDPR compliance
    Modernizes
    Redis to Valkey
  • Slalom

    Agency

    Platform engineering scoped as a build-versus-buy decision first, for mid-to-large enterprises weighing an internal developer platform against off-the-shelf tooling before Slalom commits to building either.

    Replatform
    Best for
    Mid-to-large enterprise modernization
    Firm profile
    Enterprise · USA / Global
    Typical engagement band
    Enterprise · $200K–$1M
  • Techzert

    Agency

    Techzert implements API management platforms — Google Apigee, IBM API Connect, and Open Tyk — for organizations standardizing infrastructure, converting legacy SOAP systems to REST with added rate-limiting and analytics.

    Refactor
    Best for
    Organizations standardizing on API management platforms
  • Thoughtworks offers strategic guidance on Redis-versus-Valkey licensing tradeoffs, platform engineering work framed around organizational culture change, and separately, API-first architecture engagements for cloud-native startups and scale-ups.

    ReplatformRefactor
    Best for
    Modern cloud startups/scale-ups needing API strategy
    Modernizes
    Redis to Valkey
    Firm profile
    Enterprise · Global
    Typical engagement band
    Enterprise · $200K–$1M
  • Valkey Consulting is a boutique founded in 2024 solely for the Redis-to-Valkey transition, staffed by former Redis core contributors from the fork project — though as a new firm it faces capacity constraints ahead of Redis 6's January 31, 2026 end-of-life.

    Replatform
    Best for
    Organizations prioritizing Valkey expertise over broad database consulting
    Modernizes
    Redis to Valkey
  • Xebia

    Agency

    A platform-engineering consultancy focused on deep technical implementation, building internal developer platforms (IDPs) designed to scale across an organization's engineering teams.

    Replatform
    Best for
    Deep technical implementation
    Firm profile
    Enterprise · Global
    Typical engagement band
    Enterprise · $200K–$1M

Market map

Companies to evaluate for DevOps & Platform Modernization

Scope: published devops & platform modernization companies with documented category, migration-path, or service evidence in this research domain.

Last evaluated

208

Published modernization companies reviewed

25

Companies shown for devops & platform modernization

Platforms 2Consultancies & integrators 23

Inclusion criteria: A company must have a published profile and documented category, migration-path, or service evidence in this domain. See the evidence threshold in our research methodology.

How to choose: Start with documented buyer fit (25 profiles) and specialty evidence (25), then narrow by team size (16) and location (16). Open a profile to verify the underlying experience before shortlisting.

This is an alphabetical market map, not an ordinal ranking. Paid Featured placements are labeled and do not imply a recommendation.

DevOps and platform modernization suppliers include CI/CD, observability, infrastructure automation, security, and internal developer platform products alongside consultancies that redesign delivery systems and establish platform teams. Compare platforms by integration breadth, self-service depth, policy controls, operational burden, and lifecycle cost. Compare delivery partners by DORA measurement discipline, platform-product experience, cloud and Kubernetes capability, organizational-change evidence, team scale, and location. The alphabetical roster supports fit-based evaluation rather than a universal ranking.