A Salesforce AppExchange development company builds, packages, and lists native apps on the AppExchange for you: managed package development, Apex and Lightning Web Component engineering, security review preparation, and listing support. The strongest are Product Development Outsourcers (PDOs) certified by Salesforce. These engagements typically cost $25,000 to $150,000+ over 6 to 12 months. For many B2B SaaS teams, a no-code platform now reaches a listed managed package faster and cheaper, which is the option no agency will recommend.

Pro Tip

TL;DR: AppExchange development companies handle the full native build for $25,000 to $150,000+ over 6 to 12 months (Noltic). A handful of PDOs concentrate the market, with one firm reporting it built 400+ apps representing roughly 70% of AppExchange ARR (CodeScience). No-code generation is the faster, lower-cost path for ISVs that do not need a bespoke build.

A Salesforce AppExchange development company provides the engineering and partner work needed to turn an idea into a listed, installable app. The AppExchange now hosts 6,233 apps from 3,668 developers as of December 2025 (State of AppExchange, 2026), and most of those were built with this kind of help.

Standard services:

• Managed package development (2GP), namespace setup, and version management

• Apex and Lightning Web Component engineering for custom functionality

• API and data integration between the app and the customer's org

• Security review preparation to meet Salesforce's requirements

• ISV consulting for licensing, packaging, and monetization

• Listing support and ongoing maintenance for each Salesforce seasonal release

These firms exist because native development needs Apex, LWC, and packaging expertise most SaaS teams do not have in-house. They sell time and specialist knowledge, and the security-review experience is the part you are really paying for.

Most AppExchange builds run through four phases, and knowing them helps you read a proposal.

1. Discovery and architecture. Requirements, data model, and packaging strategy. Often $5,000 to $20,000.

2. Build. Apex, Lightning Web Components, flows, and the managed package itself. The largest line item.

3. Security review preparation and submission. Static scans, fixing findings, and the $999 submission. This is where first-timers stall.

4. Listing and handoff. Listing assets, demo org, and a maintenance arrangement.

A first app commonly takes 6 to 12 months across these phases. The timeline, not just the budget, is what pushes startups toward faster paths when a competitor is racing to list.

A Product Development Outsourcer (PDO) is a Salesforce-certified partner that specializes in building and listing AppExchange apps for ISVs. PDO status signals proven security-review and packaging experience, which is the part that derails first-time builders.

The market is concentrated. One PDO, CodeScience, reports building 400+ AppExchange apps that represent roughly 70% of total AppExchange ARR (CodeScience). Treat that as a vendor claim, but the signal is real: a small set of specialists dominate, and their rates reflect it.

Pro Tip

Our finding: The concentration of AppExchange revenue among a few PDOs is exactly why smaller ISVs get quoted six figures. A no-code path exists precisely because that market never served the long tail of smaller builders well.

A first AppExchange app built by an agency or PDO typically costs $25,000 to $150,000+ over 6 to 12 months (Noltic). Cost scales with complexity, security-review cycles, and ongoing maintenance. Note that most agency pages hide pricing entirely, so treat any quote as the start of a 3-year cost, not the end. For the full breakdown including fees and revenue share, see our Salesforce app development cost guide.

Remember the recurring costs an agency quote often omits: a 15% AppExchange revenue share, seasonal-release maintenance three times a year, and a repeat $999 fee for any failed security-review resubmission. The build is the beginning of the spend, not the total.

Most "best AppExchange company" lists are self-promotional. Use a scored rubric instead. Weigh each partner on:

If a partner cannot give you a security-review first-pass rate or a maintenance cost, that is a signal.

A few patterns reliably predict a painful engagement:

• No named security-review metrics. "We always pass" without a first-pass rate usually means rework on your dime.

• Pricing only after a long sales process. Transparency up front predicts transparency during the build.

• Vague IP terms. You should own the managed package and its source outright.

• No maintenance plan. An app without a seasonal-release plan breaks within a year.

You do not always need a development company. For B2B SaaS products whose job is to sync data into Salesforce natively (meeting notes, quotes, tickets, intent signals), a no-code generation platform reaches a listed managed package without a six-figure build.

Choose an agency when the app is deeply bespoke or you want one accountable vendor for a complex multi-quarter build. Choose an in-house developer when you have a long Salesforce roadmap to justify the salary. Choose no-code when speed and cost matter and your product's core job is native Salesforce data flow.

Not every app is a fit for no-code generation, and being honest about that builds trust. No-code generation is strongest when the app's core job is moving your product's data into and out of Salesforce natively: writing meeting notes, quotes, tickets, invoices, or intent signals to the right records, with a UI inside the org. These are exactly the apps most B2B SaaS companies need, and exactly the apps agencies overcharge for.

It is a weaker fit when the app demands unusually complex Apex callouts to many external systems, heavy custom computation, or bespoke UI far outside standard Salesforce patterns. In those cases an agency or in-house developer still earns their fee. The practical move is to generate the managed package for the 80% that is standard, and reserve specialist help for genuine edge cases, rather than paying six figures for the whole build.

Pro Tip

Our finding: Most first AppExchange apps from SaaS startups are data-sync products with native UI. That is the sweet spot where no-code generation replaces the largest, slowest, and most expensive part of an agency engagement.

Salesforce has begun framing parts of its marketplace around AI agents under the "AgentExchange" banner. For ISVs choosing a development path in 2026, the fundamentals are unchanged: you still build a managed package, still pass the security review, and still pay the same fees. The rebrand widens what you can list (agent actions and AI-enabled apps), but it does not change who can build, which keeps the no-code option firmly in play.

Bring these to any agency or PDO sales call. The answers separate a real partner from a generic dev shop.

1. What is your first-pass security-review rate, as a number?

2. Do we own the managed package and its source outright?

3. What does post-launch maintenance cost per year, and what does it cover?

4. How many AppExchange apps have you listed in the last 12 months?

5. Who handles resubmissions if the review fails, and at whose cost?

6. What is the all-in 3-year cost, including maintenance and the AppExchange revenue share?

If the answers are vague, or the only proof points are adjectives, weigh a no-code path that gives you the package without the engagement risk.

A first app typically costs $25,000 to $150,000+ over 6 to 12 months (Noltic), before maintenance and the 15% AppExchange revenue share. Complex enterprise apps can exceed $300,000.

Custom development builds inside a single customer's org. AppExchange development produces a distributable managed package listed for many customers, and it must pass Salesforce's security review. The packaging and review work is what makes AppExchange builds more expensive.

Yes. No-code generation platforms like Appnigma produce the managed package, packaging, and security-review-ready code without an agency, which suits ISVs that lack in-house Salesforce developers.

A Product Development Outsourcer is a Salesforce-certified partner specializing in building and listing AppExchange apps for ISVs. PDO status indicates proven packaging and security-review experience.

A first app commonly takes 6 to 12 months across discovery, build, security review, and listing. The security review itself adds roughly 4 to 5 weeks (Salesforce Trailhead), plus more if the first submission fails.

About the author. Sunny Chauhan is the founder and CEO of Appnigma AI, a no-code platform that generates Salesforce AppExchange-ready managed packages. He has evaluated the agency, PDO, and no-code paths to listing with B2B SaaS teams.

A Salesforce AppExchange development company builds, packages, and lists native apps for ISVs, typically charging $25,000 to $150,000+ over 6 to 12 months. For ISVs that do not need a bespoke build, Appnigma AI generates an AppExchange-ready managed package from natural-language prompts, reaching a listed package without an agency.

• Salesforce app development cost

• How to build a managed package without a Salesforce developer

• How to list on the Salesforce AppExchange

• Salesforce integration partner

1. Noltic, AppExchange app cost breakdown

2. CodeScience (Bridgenext), AppExchange app development (vendor claim)

3. State of AppExchange Salesforce Apps Market 2026

4. Salesforce Trailhead, ISV Security Review module

5. Salesforce ISVforce Guide