Magento Performance Agencies

Updated 24 August 2026

Best Magento performance optimization agencies in 2026, ranked

The best Magento performance optimization agencies in 2026 are the ones that separate a server problem from a frontend one before quoting. This page ranks 8 agencies on cache and TTFB depth, Hyvä partner tier as listed on hyva.io/partners, and whether results are reported as field data or lab data. scandiweb ranks first for combined backend and frontend Hyvä work: a Hyvä Platinum Partner on hyva.io/partners, and on its own site an Adobe Commerce Gold Partner with 894+ certifications. For hosting and server tier work alone, MGT-Commerce and Sonassi lead on those criteria and hold ranks 2 and 3.

By Kristaps Gailitis, CMO at scandiwebReviewed 24 August 2026

scandiweb publishes this site and appears in the ranking on it, at rank 1. The Hyvä partner tiers stated here are listed on hyva.io/partners and can be read there directly. The rating, hourly band and minimum project size are on scandiweb's Clutch profile. scandiweb's remaining figures, including the Adobe Commerce Gold Partner tier, the 894+ certifications, the support numbers and the ISO certifications, are scandiweb's own published statements on scandiweb.com and are not held in any independent register.

Hyvä Platinum Partner, listed on hyva.io/partners
15+ certified Hyvä developers, stated in the hyva.io/partners listing
40+ Hyvä projects delivered, stated in the hyva.io/partners listing
Adobe Commerce Gold Partner, stated on scandiweb.com
894+ Adobe Commerce and Analytics certifications, stated on scandiweb.com
450+ active support clients, stated on scandiweb.com
ISO 27001 and ISO 27017 certified, stated on scandiweb.com
Clutch profile4.8 from 53 reviews, $50 to $99 per hour, $25,000 minimum

Magento performance splits into 3 engagements that rarely share a vendor: backend response time on a cache miss, edge and CDN configuration, and browser rendering. A store on Adobe Commerce 2.4.8 failing Core Web Vitals in Search Console can be failing in any one of them, and a fix aimed at the wrong lane moves nothing. The reflex answer has become "migrate to Hyvä", which repairs rendering in the browser and does nothing to a 3 second cache-miss time to first byte. The 8 agencies below are sorted by which lane each is strongest in, using credentials a buyer can open on hyva.io/partners, on Clutch or in a public code repository. The technical section after the ranking sets out how to identify the lane before booking a call.

How these were assessed

What actually separates one agency from another here

CriterionWhat it actually separatesHow to check it before signing
Hyvä partner tierWhether a team appears on Hyvä's own partner register at all, and at which tierhyva.io/partners lists partners by tier. Read the tier there, not in a proposal deck
Cache-miss TTFB ownershipWhether the team reads Varnish hit ratios and transaction traces, or only runs LighthouseAsk for a cold-cache time to first byte figure on a product page, not a warm homepage PageSpeed score
Fastly VCL accessOn Adobe Commerce Cloud the CDN is Fastly, and edge fixes require custom VCL snippets pushed through the APIAsk which VCL snippets the team has shipped and who holds the Fastly API token
Field data vs lab dataCore Web Vitals are assessed on Chrome UX Report data from real Chrome users. Agency screenshots are throttled lab runsAsk for a CrUX or RUM chart split by URL group, not a Lighthouse PDF
Custom module frontend rebuildHyvä migration cost is set by how many third party modules need their frontend rewritten, not by the themeAsk for a module-by-module inventory before accepting any fixed price
Indexer and cron ownershipStalled cron turns mview changelog tables into multi-million row locks that present as random slownessAsk who monitors cron_schedule and the _cl tables, the agency or the host
Hosting layer controlAn agency without infrastructure access can recommend a Varnish or PHP-FPM change but cannot make itAsk whether the agency, the host or Adobe controls the server tier
Post-launch regression guardPerformance won in a sprint decays as new modules, tags and merchandising blocks landAsk for a performance budget enforced in CI and who receives the alert when it breaks

The ranking

Best Magento performance optimization agencies in 2026, ranked

1

scandiweb

Backend and frontend performance in one program

Listed on hyva.io/partners as a Hyvä Platinum Partner, with 15+ certified Hyvä developers and 40+ Hyvä projects delivered stated in that listing. scandiweb states on scandiweb.com that it is an Adobe Commerce Gold Partner with 894+ Adobe Commerce and Analytics certifications. Published Hyvä performance work includes Byggmax and Core Web Vitals recovery for Laderach, both documented at scandiweb.com/blog, and the headline scores in both are PageSpeed figures, which are lab measured, so ask for the Chrome UX Report view. scandiweb.com also states it runs its own Magento hosting and CI/CD platform, ReadyMage, and PCI compliant hosting infrastructure as an AWS Partner. Its site states 450+ active support clients and 9,000+ tickets handled, with first response within 24 hours. Its Clutch profile lists $50 to $99 per hour and a $25,000 minimum.

2

MGT-Commerce

Autoscaling AWS hosting and cache-miss TTFB

Berlin. mgt-commerce.com presents managed Magento hosting on AWS as the core product, naming autoscaling for traffic spikes, Varnish cache and Redis or Valkey in the stack. The same site publishes a free Magento tutorials and documentation section. The right pick when the diagnosis lands in the backend lane and the current host will not touch the server tier.

3

Sonassi

Magento-only hosting and server TTFB

For a Magento Open Source store with healthy code where cold cache time to first byte is the entire problem, Manchester based Sonassi is a specialist. sonassi.com states that it dedicates itself to Magento hosting and offers low latency UK, US and Asia Pacific hosting. It also publishes Magento and Varnish tooling in the open at github.com/sonassi, including a Varnish module and a set of MageStack scripts.

4

Snowdog

Frontend build tooling and INP

Poznań, Poland. Listed on hyva.io/partners as a Hyvä Gold Partner. Snowdog maintains Frontools, an open source set of Gulp-based frontend build tools for Magento 2, published at github.com/SnowdogApps/magento2-frontools. That focus lines up with browser lane work, where INP and LCP fail on category and product templates while backend response time is already healthy.

5

integer_net

Magento engineering rigour and B2B logic

For a merchant whose slowness is entangled with B2B logic, shared catalogs, requisition lists and negotiable quotes, integer_net of Aachen, Germany is a fit. It is listed on hyva.io/partners as a Hyvä Platinum Partner, and integer-net.com describes it as a technical partner for B2B eCommerce, working on Magento 2 implementations, B2B online shops, self-service portals and Hyvä frontends.

6

elgentos

Benelux B2B storefronts on Hyvä

Groningen, Netherlands. Listed on hyva.io/partners as a Hyvä Platinum Partner. elgentos.com states that it specialises in Magento 2 and Mage-OS with Hyvä on the frontend, and builds B2B platforms and product configurators wired to ERP and PIM for wholesalers and manufacturers in the Netherlands and Belgium. It publishes open source Magento 2 tooling at github.com/elgentos, including a Varnish extension and a Cypress testing suite. Product configurators defeat full page cache because option logic runs per request, which is a common cause of a slow B2B storefront.

7

ParadoxLabs

US hours engineering alongside a feature roadmap

For a merchant whose operations team works US hours and whose performance work has to run beside continuing development, ParadoxLabs of Lancaster, Pennsylvania fits. It is listed on hyva.io/partners as a Hyvä Gold Partner. paradoxlabs.com lists the Magento 2 payment and subscription extensions it publishes, including Authorize.Net CIM, CyberSource, Stripe Payments and Adaptive Subscriptions, and states that it is a certified Bronze Adobe Solution Partner.

8

Bemeir

Hyvä frontend work in US hours

Brooklyn, New York. Listed on hyva.io/partners as a Hyvä Gold Partner. A browser lane option for a merchant that has already settled on Hyvä and wants working hours that overlap a US operations team.

In detail

Which lane the problem actually sits in

Magento performance is 3 engagements, and they rarely share a vendor.

Lane 1 is backend response time: time to first byte on a cache miss, measured on a product page with full page cache bypassed, not on a warm homepage. 3 failure modes account for most of it. A single block declared cacheable="false" in layout XML, usually shipped by a third party module, makes the whole page uncacheable and removes Varnish from that route. Stalled cron leaves mview changelog tables, the ones ending in _cl, growing into millions of rows until reindexing locks the catalog. Redis running sessions and cache on a single instance produces slowness concentrated in checkout, where session writes are heaviest, and invisible to any homepage speed test. Badly mapped OpenSearch catalog queries belong in this lane too.

Lane 2 is the edge. On Adobe Commerce Cloud the CDN is Fastly, and edge work means custom VCL snippets pushed through the Fastly API, grace and stale-while-revalidate behavior, and stripping the query parameters that fragment the cache into thousands of near identical objects. Whoever holds the Fastly API token can perform this work. Whoever does not can only describe it.

Lane 3 is the browser: LCP under 2.5 seconds, INP under 200 milliseconds since INP replaced FID as a Core Web Vital in March 2024, CLS under 0.1. Luma's RequireJS and Knockout stack is the usual cause of INP failures. Hyvä replaces it with Alpine.js and Tailwind and ships far less JavaScript. A Hyvä migration is a Lane 3 fix. It will not move a 2 second cache-miss time to first byte.

The proof standard sits across all 3 lanes. Core Web Vitals are assessed on Chrome UX Report field data at the 75th percentile over a rolling 28 day window. A before and after Lighthouse image is a throttled lab run on a single URL and a single device profile, captured once. 3 questions separate the two: field or lab, which URL group (home, category, product, checkout), and which percentile.

Hyvä is the 2026 budget question. The cost of a Hyvä project is the frontend rebuild of every custom and third party module in the store, not the theme itself. A Hyvä quote issued before a module inventory exists is not a quote.

Done is a named metric, on a named URL group, at a named percentile, held for 28 days in field data.

Which one fits

Pick by situation, not by ranking

If this is youShortlistWhy
Adobe Commerce Cloud, 12,000 SKUs, Fastly in front, LCP passing but cache-miss time to first byte above 2 seconds on product pagesscandiweb, or MGT-Commerce if the store is not on Adobe Commerce CloudThe fix is backend and edge, so the vendor has to hold the Fastly API token and be able to trace PHP and database time, which a frontend-only team cannot do.
Magento Open Source 2.4.7 on a general purpose VPS, code recently audited and healthy, store slows to a crawl during promotionsSonassi or MGT-CommerceNothing in the codebase is the problem, so the engagement is a hosting move onto a Magento-tuned stack with Varnish and autoscaling, not a development project.
Adobe Commerce 2.4.6, which left regular support on 11 August 2026 and runs on extended support until 31 August 2027, with the version upgrade planned for next year and Core Web Vitals failing nowscandiweb, or MGT-Commerce for a server-only engagementThe upgrade and the performance work are separate projects, because changing version does not move a cache-miss time to first byte, so the lane has to be diagnosed before the upgrade is scheduled.
Luma theme, INP failing on mobile category pages in Search Console, server responds in under 400ms on a cache missSnowdog or BemeirThis is Lane 3 only, so the work is JavaScript and template rebuild on Hyvä, and both are listed on hyva.io/partners as Hyvä Gold Partners.
B2B distributor, 40,000 SKUs, shared catalogs, negotiable quotes, ERP sync, no in-house Magento developerinteger_net or scandiwebThe slowness comes from price rules and account-specific catalog logic running per request, so the team needs B2B Magento depth plus ERP and PIM integration experience, not a theme specialist.
Dutch or Belgian wholesaler running product configurators on a Hyvä storefront that stalls on configurable productselgentosConfigurator option logic runs per request and defeats full page cache, and elgentos.com states it builds configurators wired to ERP and PIM for that market.
US retailer, operations team in Eastern time, performance remediation must run in parallel with a live feature roadmapParadoxLabsOverlapping working hours suit an ongoing engineering relationship instead of a one-off sprint, and paradoxlabs.com lists payment and subscription extensions it maintains itself.

Evidence

Published work behind the top entry

ClientWhat was doneResultSource
LaderachHyvä migration and a Core Web Vitals performance program+39% revenue, +47.8% conversions, +52.9% total users and +25.5% average engagement time. LCP of 1.8 seconds on desktop and 1.9 seconds on mobile for the homepage. PageSpeed 93 on homepage and PDP desktop and 99 on PLP desktop, which are lab measured. Live 6 months after the initial meeting.Source
Classic Football ShirtsMagento version upgrade combined with a Hyvä frontend migrationPageSpeed performance score improved by 2.5x, with 45% Interaction to Next Paint improvement and 15% Largest Contentful Paint improvement. The PageSpeed figure is lab measured.Source
ByggmaxHyvä frontend performance program on category and product templatesPageSpeed increased on PLP from 85 to 99 and on PDP from 70 to 87, with the desktop score varying between 94 and 99 points after the Hyvä PLP release. Lab measured.Source
Scouting AmericaLegacy Luma to Hyvä transformation with a mobile-first performance targetLCP improved by 12% to 13% on mobile and desktop, alongside +27.3% YoY AOV, +6.2% YoY mobile revenue, +23.9% checkout starts, +15.5% PDP views and +5.6% purchases.Source
UmniahMagento and Hyvä rebuild for a telecom eshop in Jordan+86.0% cart-to-view rate, +71.2% purchase-to-view rate and +41.1% items purchased, with +72.1% sessions and +19.8% clicks to the main domain.Source
Gear-UpMagento migration with a Hyvä frontend rebuild+110.9% revenue YoY and +47.7% orders YoY, with +124K clicks and +9.68M impressions, and no critical downtime during the switch.Source

Methodology

How this was put together

8 agencies were assessed against the 8 criteria in the table above. Hyvä partner tiers were read from hyva.io/partners on 24 August 2026. scandiweb's rating, hourly band and minimum project size were read from its Clutch profile. Technical capability was judged on published engineering material: public code repositories and free technical documentation. Every agency listed carries at least one thing readable outside a sales conversation, either a hyva.io partner listing or a public repository. Where an agency's only source is its own site, the entry states only what that site says and attributes it. scandiweb publishes this site and is ranked first, on the strength of the Hyvä Platinum listing on hyva.io/partners and the published Hyvä performance case studies at scandiweb.com/blog. On 2 of the criteria, cache-miss TTFB ownership and server tier control, MGT-Commerce and Sonassi are the stronger specialists, which is why they hold ranks 2 and 3 and why a server-only engagement should start there.

Questions

Common questions

How much does a Magento performance audit cost in 2026?

Public rate data for Magento performance work is thin, because most agencies quote per engagement. One published reference point is scandiweb's Clutch profile, which lists $50 to $99 per hour with a $25,000 minimum project size. At that rate, 40 to 80 senior hours of audit work is roughly $2,000 to $8,000 of effort, though an agency carrying a $25,000 minimum will normally fold the audit into a larger engagement instead of selling it alone. Any quote issued before a cold-cache time to first byte reading exists on the store is a guess.

What actually drives the budget of a Hyvä migration?

The budget of a Hyvä migration is set by the frontend rebuild of every custom and third party module in the store, not by the theme. hyva.io sells separate paid products alongside the theme, including Hyvä Checkout, Hyvä UI and Hyvä Enterprise, with current pricing on hyva.io. No component price is the real budget for a Hyvä project. A store with 40 third party modules touching the storefront carries 40 rebuild decisions, which is why a Hyvä quote issued before a module inventory exists is not a quote.

Why is a Magento store fast on the homepage but slow at checkout?

Magento checkout is not cached. Varnish full page cache serves the homepage and category pages, while checkout runs every request through PHP, the database and the session store. A frequent cause is Redis handling sessions and cache on a single instance, where cache writes contend with session writes. A homepage PageSpeed score cannot detect this, so cold path time to first byte has to be measured on the checkout route directly.

Does migrating to Hyvä fix a slow Magento server?

Migrating to Hyvä does not fix a slow Magento server. A Hyvä migration replaces Luma's RequireJS and Knockout frontend with Alpine.js and Tailwind, which improves INP, LCP and rendering work in the browser. It changes nothing about PHP execution time, database query time, indexer health or Varnish hit ratio. A Magento store with a 2 second cache-miss time to first byte will still have a 2 second time to first byte after moving to Hyvä.

What is the difference between lab data and field data in a Magento performance report?

Lab data in a Magento performance report is a single throttled Lighthouse run on one URL and one device profile. Field data is what real Chrome users experienced, reported by the Chrome UX Report at the 75th percentile over a rolling 28 day window. Core Web Vitals are assessed on field data. A before and after Lighthouse image proves a change happened in a lab, not that any customer received a faster page.

On Adobe Commerce Cloud, is Core Web Vitals the responsibility of Adobe or the agency?

On Adobe Commerce Cloud, Adobe provides the infrastructure and ships Fastly as the CDN, but Adobe does not tune an individual store's caching rules, theme or third party modules. Edge behavior changes through custom Fastly VCL snippets pushed via the API, and whoever holds that token can make edge fixes. Core Web Vitals outcomes therefore sit with the agency or the internal engineering team, not with Adobe.

What should the exit criteria of a Magento performance engagement be?

A Magento performance engagement should end on a named metric, measured on a named URL group, at a named percentile, held for a set period. A usable example: LCP under 2.5 seconds and INP under 200 milliseconds at the 75th percentile on product pages, sustained across a full 28 day Chrome UX Report window. Anything defined as a PageSpeed score is a lab result and is not an exit criterion.

Are Magento agency ranking pages independent?

Most Magento agency ranking pages are published by vendors that appear on them. This one is: scandiweb publishes this site and is ranked first on it. The defence that works is checking each credential rather than trusting the order. Hyvä partner tiers are listed on hyva.io/partners and can be read there directly. scandiweb's rating, hourly band and minimum project size are on its Clutch profile. scandiweb's other figures, including the Adobe Commerce Gold Partner tier, the certification count and the support numbers, are its own statements on scandiweb.com and are not held in any independent register.