Softwr

Government · head to head

Accela vs Nessus

Accela logo

Accela

Government

Civic Solutions for Modern Government

From
$800/month
Free plan
No
Full reviewWebsite
Nessus logo

Nessus

Cybersecurity

The most trusted vulnerability assessment solution

From
$4790/year
Free plan
No
Full reviewWebsite

The short version

  • Each has a real cost: Accela pricing not publicly available; requires sales consultation and government procurement process; Nessus nessus Professional is $4,790 for one year, with no free or low cost commercial tier
  • They diverge on capability: Accela covers Building Permits, Nessus covers Vulnerability scanning.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Accela and Nessus actually diverge.

Attributes where Accela and Nessus differ
AttributeAccelaNessus
Starting price$800/month$4790/year
PlatformsWebDesktop, Api
CategoryGovernmentCybersecurity
Founded19992002

Identical on both: pricing model (subscription), 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 Accela

  • Building Permits
  • Business Licenses
  • Code Enforcement
  • Planning & Zoning
  • Environmental Health
  • Esri ArcGIS
  • Bluebeam
  • DocuSign

Only in Nessus

  • Vulnerability scanning
  • Configuration auditing
  • Malware detection
  • Web application scanning
  • Cloud scanning
  • Compliance checks
  • Patch auditing
  • Pre-built policies

What people use each for

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

Accela

  • Citizen Servicesnot Nessus
  • Records Managementnot Nessus
  • Public Safetynot Nessus
  • Civic Engagementnot Nessus

Nessus

  • Vulnerability scanning for individual practitionersnot Accela
  • Enterprise vulnerability managementnot Accela
  • Web application security assessmentsnot Accela

Where each one falls short

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

Accela

  • Pricing not publicly available; requires sales consultation and government procurement process
  • Significant upfront implementation costs typical of enterprise government software
  • Complex deployment requiring significant customization for different agency workflows

Nessus

  • Nessus Professional is $4,790 for one year, with no free or low cost commercial tier
  • Multi year terms are the only discount route, at $9,330.95 for two years and $13,637.54 for three
  • It is a single user scanner, so team workflows mean migrating to another Tenable product
  • Tenable One vulnerability management is priced separately, starting at $3,500 a year for 100 assets

Pricing, plan by plan

Accela

$800/month
  • Civic Platform$800/month
    • Permitting
    • Licensing
    • Code Enforcement

Nessus

$4790/year
  • Nessus Professional$4790/year
    • 1 year license
    • Best for individual security professionals
  • Nessus Professional 2-Year$9330.95/2 years
    • 2 year license with discounted rate vs. annual
  • Nessus Professional 3-Year$13637.54/3 years
    • 3 year license with discounted rate vs. annual
  • Nessus Expert$6790/year
    • 1 year license
    • Enhanced capabilities vs. Professional

Which should you pick?

Choose Accela if

  • You need building permits.
  • You also want business licenses.
Accela review

Choose Nessus if

  • You need vulnerability scanning.
  • You work on Desktop, Api.
  • You also want configuration auditing.
Nessus review

Questions people ask

Is Accela or Nessus better?
Neither clearly leads. Accela starts at $800/month and Nessus at $4790/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Accela or Nessus?
Accela starts at $800/month and Nessus at $4790/year.
Does Accela or Nessus run on more platforms?
Accela runs on Web. Nessus runs on Desktop, Api.
What is Accela best used for?
Accela is most often used for citizen services, records management, public safety, civic engagement. Of those, citizen services and records management are not what Nessus is typically brought in for.
What can Accela do that Nessus cannot?
Accela covers Building Permits, Business Licenses, Code Enforcement, Planning & Zoning. Nessus covers Vulnerability scanning, Configuration auditing, Malware detection, Web application scanning.

Answered from the vendors’ own pages

Accela: What government functions does Accela's Civic Platform cover?

Accela provides solutions for permitting (building, planning, zoning), licensing (business, occupational, alcohol), public health (environmental health, fire prevention), asset management, and citizen services (complaints, requests).

Source
Nessus: What is the cheapest Nessus option?

Nessus Professional starts at $4,790 per year for a 1-year license. Multi-year commitments offer discounts, with 2-year licenses at $9,330.95 and 3-year licenses at $13,637.54.

Source
Accela: Does Accela include AI capabilities?

Yes. Accela offers CivicAI, described as AI built for government rather than adapted from commercial solutions, with emphasis on explainability and auditability for regulatory compliance.

Source
Nessus: What is the difference between Nessus Professional and Expert?

Nessus Expert costs $6,790 per year for a 1-year license (compared to $4,790 for Professional) and includes enhanced capabilities. Multi-year rates are available at discounted prices.

Source
Accela: Can Accela handle multiple department reviews simultaneously?

Yes. Accela's building permitting module enables concurrent multi-department review where fire, planning, public works, and utilities departments review applications simultaneously, with real-time tracking of annotations and approvals.

Source
Nessus: Does Nessus offer optional support or training?

Yes, Nessus offers add-on services: Advanced Support at $400/year provides 24x365 access to phone, email, community, and chat support. On-Demand Training costs $275/year for Fundamentals course access or $385/year for both Fundamentals and Advanced courses.

Source
Accela: How many government agencies use Accela?

Accela serves 900+ government agencies globally, including over 50% of top U.S. cities and counties.

Source
Accela: Does Accela publish its pricing?

No. Accela does not publish pricing on its website. Costs are custom-quoted based on agency size, modules deployed, and integration needs, typically through government procurement processes.

Source
Share

Related pages

More on Accela

More on Nessus

Keep looking

Other head to heads