Softwr

Accounting · head to head

Medius vs Very Good Security

Medius logo

Medius

Accounting

Accounts payable automation and supplier payments for mid-market finance teams, Marlin Equity owned

From
On request
Rated
-
Full reviewWebsite
Very Good Security logo

Very Good Security

Cybersecurity

Tokenisation proxy that keeps card and personal data out of your own systems and out of PCI scope

From
$1000/month
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Medius the sourcing, contract and procurement modules are considerably less developed than the AP core, so buying Medius as a full source-to-pay suite means accepting weak upstream tooling.; Very Good Security vGS sits in the live path of every request carrying sensitive data, so its latency and availability become yours, and an outage in the proxy is a payment outage no matter how healthy your own systems are.
  • They diverge on capability: Medius covers Invoice capture and coding, Very Good Security covers Aliasing proxy.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Medius and Very Good Security actually diverge.

Attributes where Medius and Very Good Security differ
AttributeMediusVery Good Security
Starting priceOn request$1000/month
Pricing modelquotePer month
PlatformsWeb, iOS, AndroidWeb, API
CategoryAccountingCybersecurity

Identical on both: free tier (No), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Medius

  • Invoice capture and coding
  • Matching and exception handling
  • Fraud and anomaly detection
  • Supplier payments
  • Approval workflow
  • ERP integration

Only in Very Good Security

  • Aliasing proxy
  • PCI scope reduction
  • Network tokenisation
  • Processor optionality
  • Card issuing data
  • Vault and access controls
  • Data residency options
  • Compliance artefacts

What people use each for

The jobs each tool is most often brought in to do.

Medius

  • A mid-market finance team where most spend arrives as an invoice with no purchase order to match againstnot Very Good Security
  • A group with several legal entities on different ERPs that wants one AP process across all of themnot Very Good Security
  • Reducing invoice fraud exposure with automated detection of supplier bank detail changesnot Very Good Security
  • Replacing a scanning bureau and a shared AP inbox with automated capture and exception-based reviewnot Very Good Security

Very Good Security

  • A marketplace facing its first PCI DSS Level 1 assessment that wants to keep card data off its own estate rather than harden a dozen servicesnot Medius
  • A merchant negotiating with a second acquirer that needs card credentials portable so the negotiation is real rather than theoreticalnot Medius
  • A fintech collecting bank account and identity documents that wants sensitive fields absent from logs, backups and analytics warehouses by constructionnot Medius
  • A card issuer that must display a full PAN in its own mobile app without the app or its backend touching cardholder datanot Medius

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Medius

  • The sourcing, contract and procurement modules are considerably less developed than the AP core, so buying Medius as a full source-to-pay suite means accepting weak upstream tooling.
  • Pricing is quote-only and driven by invoice volume, so a business with many low-value invoices pays disproportionately relative to the spend being controlled.
  • Payments are billed on transaction volume separately from the AP subscription, which is easy to omit from a cost comparison against a licence-only AP tool.
  • Private equity ownership since 2017 has produced an acquisition-driven product line, so payments and adjacent capability come from bought-in technology rather than the original platform.
  • ERP integration depth varies sharply by system, and organisations on less common or heavily customised ERPs face integration work that lengthens the implementation.

Very Good Security

  • VGS sits in the live path of every request carrying sensitive data, so its latency and availability become yours, and an outage in the proxy is a payment outage no matter how healthy your own systems are.
  • Token portability is the whole selling point yet leaving VGS means migrating tokens back out, a project the vendor has no incentive to streamline, so the lock-in you removed from your acquirer partly moves to VGS.
  • Entry pricing at around one thousand US dollars a month is real money for a pre-revenue fintech, and it buys volume-limited throughput, so cost scales with exactly the growth that made you buy it.
  • Scope reduction is not scope elimination: your QSA still assesses how you integrate, and teams regularly discover that a support tool or an internal admin screen pulled plaintext back in and dragged systems into scope again.
  • Proxy-based interception constrains how you design request flows, and non-standard payloads, streaming uploads or binary formats often need custom routing rules that make debugging production issues noticeably harder.

Pricing, plan by plan

Medius

On request
  • Medius AP Automation$undefined/year
    • Two packaged AP automation tiers
    • Priced by invoice volume and entity count
    • Sourcing, contracts and procurement modules sold separately

Very Good Security

$1000/month
  • Starter$1000/month
    • Aliasing proxy
    • Vault storage
    • PCI scope reduction
  • Growth$undefined/month
    • Network tokenisation
    • Multiple processors
    • Data residency options
  • Enterprise$undefined/year
    • Custom vault architecture
    • Dedicated support and SLA
    • Contractual compliance coverage

Which should you pick?

Choose Medius if

  • You need invoice capture and coding.
  • You work on Web, iOS, Android.
  • You also want matching and exception handling.
Medius review

Choose Very Good Security if

  • You need aliasing proxy.
  • You work on Web, API.
  • You also want pci scope reduction.
Very Good Security review

Questions people ask

Is Medius or Very Good Security better?
Neither clearly leads. Medius starts at On request and Very Good Security at $1000/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Medius or Very Good Security?
Medius starts at On request and Very Good Security at $1000/month.
Does Medius or Very Good Security run on more platforms?
Medius runs on Web, iOS, Android. Very Good Security runs on Web, API.
What is Medius best used for?
Medius is most often used for a mid-market finance team where most spend arrives as an invoice with no purchase order to match against, a group with several legal entities on different erps that wants one ap process across all of them, reducing invoice fraud exposure with automated detection of supplier bank detail changes, replacing a scanning bureau and a shared ap inbox with automated capture and exception-based review. Of those, a mid-market finance team where most spend arrives as an invoice with no purchase order to match against and a group with several legal entities on different erps that wants one ap process across all of them are not what Very Good Security is typically brought in for.
What can Medius do that Very Good Security cannot?
Medius covers Invoice capture and coding, Matching and exception handling, Fraud and anomaly detection, Supplier payments. Very Good Security covers Aliasing proxy, PCI scope reduction, Network tokenisation, Processor optionality.

Answered from the vendors’ own pages

Medius: Is Medius a procurement suite or an AP tool?

Primarily an AP automation platform with procurement modules attached. If sourcing is your main requirement, look elsewhere.

Very Good Security: Does VGS make me PCI compliant?

No. It removes cardholder data from your systems so your assessment covers a far smaller boundary, but you still complete an assessment and your integration is part of it.

Medius: Who owns Medius?

Marlin Equity Partners, which acquired it in 2017 and has funded several bolt-on acquisitions since.

Very Good Security: Can I move to another processor without re-collecting cards?

Yes, that is a core reason people buy it. The vault reveals stored credentials to whichever processor you route to.

Medius: How is it priced?

By quote, driven by invoice volume and entity count, with payments billed separately on transaction volume.

Very Good Security: What does it cost?

Published entry pricing is about one thousand US dollars per month; growth and enterprise tiers are quoted.

Medius: Does it replace our ERP?

No. It sits alongside the ERP and posts approved invoices into it.

Very Good Security: Is it only for card data?

No. The proxy handles any sensitive field, including bank details, national identifiers and documents, though payments is where the product is now focused.

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