The Guide to Finding The Right Applicant Tracking System for Your Company

Last Updated: November 17, 2025 |
Published: November 11, 2025 |
Last updated: November 17, 2025 |
Read the Guide
ATS Guide

Introduction

We see companies make this mistake time and time again. 

They spend way (way) too much money on an ATS with flashy features that their team doesn’t need or use. 

And the features or integrations they do need? Nowhere to be found. 

The sales demo promised gold, but you got pyrite.

Here’s the thing about applicant tracking systems — the “best” one isn’t the one with the longest feature list or the buzziest (yes, it’s a word) AI capabilities. The right ATS is the one that actually solves your specific hiring challenges and moves your business forward. 

Not someone else’s challenges. Yours.

That’s what this guide is all about. We’ll help you figure out exactly what you need based on where your company is right now — whether you’re a scrappy startup hiring your first team or an enterprise organization coordinating hiring across continents. 

Consider this your Goldilocks guide to finding an ATS that’s just right.

Key Takeaways

  • Match your ATS to your current company size, not your future aspirations. A startup needs simple setup and automation; SMBs need multi-department workflows and compliance tracking; mid-market companies need advanced analytics and integrations; and enterprises need global compliance and security features.
  • Save money by knowing what features you don’t need yet. Startups don’t need predictive analytics; SMBs can skip global payroll integrations; mid-market companies should avoid overly complex approval workflows; enterprises should test AI features thoroughly before committing.
  • Prioritize features that solve your specific hiring bottlenecks. If you’re drowning in applications, focus on screening automation. If coordination is your problem, prioritize scheduling and collaboration tools. If compliance keeps you up at night, make that non-negotiable.
  • The best ATS builds a hiring process that improves your culture. A smooth, professional hiring experience doesn’t just help you select better candidates — it sets the foundation for employee engagement and retention from day one.

Why Company Size Matters When Choosing an ATS

A 20-person startup and a 2,000-person enterprise both need an ATS. But they don’t need the same ATS.

Your hiring challenges change as you grow. 

What works when you’re scrappy and moving fast — think lightweight tools, quick setup, minimal bells and whistles — could break when you hit 500 employees and need multi-location coordination, compliance tracking, and advanced analytics. 

And the reverse is just as true. An enterprise-grade system with all the bells and whistles will overwhelm a small team that just needs to get organized and hire their next three people.

What actually matters is aligning your ATS with your business goals right now. Not where you think (or hope) you might be in twenty years. Not what the biggest company in your industry uses.

Because the best technology in the world is useless if your team can’t figure out how to use it, if it slows you down instead of speeding you up, or if you’re paying for features that don’t move the needle on what you’re actually trying to accomplish.

It’s also important to remember that “size” in this case isn’t just about headcount — it’s about complexity, resources, hiring volume, and how sophisticated your processes need to be.

So let’s break this whole ATS thing down by company size and figure out exactly what you need at each stage.

Table of Contents

Table of contents
Part 1:

Finding the Right ATS for Startups (1-50 Employees)

When you’re building from the ground up, every hire matters — and every dollar matters even more.

Top Hiring Challenges Startups Face

Startups don’t have the luxury of slow, deliberate hiring processes (what company does, right?). You need to move fast because top candidates disappear in days, not weeks. But speed isn’t your only challenge.

You’re also working with limited resources, both budget and people. Your HR “team” might be one person wearing five hats, or it might be a founder squeezing in interviews between product demos and investor calls. There’s no army of recruiters or sophisticated hiring infrastructure. Just you, trying to build something great with what you’ve got.

Then there’s the foundation problem. Early hires set the tone for your entire company culture, so getting them right is critical.

And let’s not forget the reality of startup life: everyone wears multiple hats. You need people who can do the job you’re hiring them for today and adapt to whatever the business needs tomorrow. That’s a tall order when you’re screening dozens of candidates with minimal time and zero margin for error.

Essential ATS Features for Startups

Your ATS needs to solve the problems we just talked about without creating new ones. A.K.A., it needs to be simple to set up and use.

Look for systems that get you up and running quickly. You don’t have time for lengthy implementations or ad hoc sessions. The interface should be intuitive enough that anyone on your team can jump in and start managing candidates immediately.

Automation is your best friend here. 

  • Automated job posting distribution means you’re not manually copying and pasting to five different job boards. 
  • Interview scheduling tools eliminate the calendar tetris that eats up hours every week.
  • Email templates and automated status updates keep candidates informed without you lifting a finger.
Create professional, on-brand emails

You also need basic collaboration features so your small team can stay aligned. Shared candidate notes, simple feedback forms, and clear visibility into where each person is in the pipeline — nothing fancy, just functional.

And please, make sure it’s affordable. Transparent pricing with no hidden fees. Flexible plans that won’t lock you into enterprise-level spending when you’re hiring your tenth employee.

ATS Features Startups Don’t Need (Yet)

Here’s where you save yourself some serious money: knowing what not to buy.

Advanced analytics and reporting dashboards? Cool in theory, but you don’t have enough hiring data yet to make them useful. You’re making five hires this year, not 500. Save the predictive analytics for when you actually have something to predict.

Complex, multi-stage workflows with custom approval chains? Overkill. Your hiring process should be lean right now — screen, interview, decide, hire. Adding layers of complexity just slows you down.

Extensive integration libraries connecting to your entire tech stack? You probably don’t have an entire tech stack yet. A few key integrations (like your email and calendar) will do just fine.

Enterprise-grade security features and compliance tools? Important eventually, but not what you need to solve for right now. Standard security protocols are plenty for a 20-person company.

Best ATS Options for Startups

There are several great applicant tracking solutions for startup tools on the market; here are two of our top recs.

Ashby

Ashby is built for early-stage companies that want to punch above their weight. It offers powerful analytics and automation without the enterprise complexity, making it easy to build a data-driven hiring process from day one. The interface is clean and modern, and it scales beautifully as you grow. Just know there’s a bit of a learning curve if you want to tap into the advanced features.

Spark Hire

We’re blushing.

Our ATS, Recruit, combines built-in video interviewing, which is perfect for startups that need to move fast without adding more tools to the mix. You get customizable workflows, automated scheduling, and one-way video interviews that let you screen candidates asynchronously — saving you hours of coordination time. 

It’s designed for small teams that need to stay organized and efficient without breaking the bank, with unlimited users and jobs on annual plans starting at a startup-friendly price point.

Don’t just take our word for it.

Hear from tons of customers across various industries who are building a hiring structure and seamless customization without the complexity of a clunky, expensive ATS.

Hear from Customers

Sparking Customer Success Every Step of the Way

Our customer satisfaction is what has made us a top-trusted partner in HR tech over the last 13+ years, allowing us to expand our solutions to the comprehensive hiring software we offer today.

Hear real customer stories
Part 2:

Finding the Right ATS for Small and Medium-Sized Businesses (50-500 Employees)

SMBs are such a diverse group, and there’s a lot of growth that can happen really quickly. Hiring needs get real, fast, so you need an ATS that can come along for the ride.

Top Hiring Challenges SMBs Face

When you’re somewhere between startup and enterprise, you’re dealing with a perfect storm of complexity. You’re hiring across multiple departments now, each with different needs, different stakeholders, and different timelines. Marketing wants someone yesterday. Operations needs three people next quarter. Finance is asking for headcount justifications on everything.

The application volume has increased dramatically, too. You’re not reviewing 20 resumes anymore — you’re managing hundreds per role, especially for those evergreen positions that never stop hiring. It’s easy for qualified candidates to get lost in the shuffle when you’re drowning in applications.

Then there’s the compliance piece. At this size, you can’t wing it anymore. You need to track EEOC data, maintain proper records, and make sure your hiring practices won’t land you in legal trouble. The stakes are higher because you’re visible enough to get noticed but might not have a full legal team backing you up.

And you’re looking at how to choose an applicant tracking system for small company growth. You need something that works today but can scale with you tomorrow. Your hiring process needs to be consistent and professional across all departments, but you don’t have the resources to build enterprise-level infrastructure.

Essential ATS Features for SMBs

At this stage, your ATS needs to handle complexity without requiring a dedicated admin team to manage it.

Customizable workflows are crucial because different departments hire differently. Sales might need a fast two-step process, while engineering requires five rounds of technical interviews. Your ATS should flex to accommodate both without forcing everyone into the same rigid structure.

Strong collaboration tools become non-negotiable. Multiple hiring managers need to leave feedback, HR needs visibility across all open roles, and executives want to check in on priority positions. Shared scorecards, commenting features, and role-based permissions keep everyone aligned without constant status meetings.

Reporting and analytics matter now because you’re making strategic decisions about where to invest in hiring. 

  • Which job boards bring in the best candidates? 
  • How long does each department take to hire? 
  • Where are the bottlenecks? 

You need data to answer these questions and optimize your process.

Integration capabilities are also key. You’ve probably got an HRIS system, payroll software, background check providers, and other tools that need to talk to each other. Your ATS should connect seamlessly with your existing tech stack so data flows smoothly and nothing falls through the cracks.

Compliance tracking features help you stay on the right side of regulations without adding manual paperwork. EEOC reporting, audit trails, and proper data storage should be built in.

Features SMBs Don’t Need

You’re not enterprise yet, so don’t pay for enterprise complexity.

Ultra-advanced AI features that promise to revolutionize your entire hiring process? Probably overkill. Basic automation handles most of what you need — save the cutting-edge for when you’re hiring at a massive scale.

Global hiring infrastructure with multi-country compliance and international payroll integrations can wait unless you’re actively hiring across borders. If you’re focused on regional or national hiring, skip these features and save the money.

Dedicated customer success managers and 24/7 phone support might sound nice, but solid email support and a comprehensive knowledge base will handle 90% of your needs at a fraction of the cost.

Best ATS Options for SMBs

Many hiring software brands play in the SMB space. Let’s take a look at our favs. 

JazzHR

JazzHR is for small and medium-sized businesses that need to manage multiple hiring managers and departments without the enterprise price tag. It offers customizable workflows, strong collaboration features, and integrations with popular job boards and HRIS systems. The interface is straightforward, and you can get up and running quickly without extensive training.

Workable

Workable brings sophisticated features to the SMB market with an intuitive design that makes adoption easy across teams. It combines sourcing tools with a solid ATS foundation, helping you find candidates and manage them through hiring. The reporting is robust enough to give you real insights without overwhelming you with data.

Spark Hire

Us, again!

Spark Hire is the sweet spot for SMBs that need an all-in-one solution without juggling multiple vendors. You get a full ATS plus built-in assessment options, including one-way video interviewing, a behavioral assessment, and reference checks, which is optimal when you’re hiring across departments with varying needs.

Spark Hire’s platform offers custom workflows for each team and job role, automated interview scheduling that saves hours every week, and collaboration tools that keep hiring managers aligned and empowered to think more strategically about each candidate they meet.

With unlimited users and jobs on annual plans, it scales with you as you grow — and the pricing is designed specifically for companies in that 50-500 employee range.

Demo Day

The Modern ATS For SMBs (With Built-In Assessment Options)

Spark Hire Recruit was built to do more than track applicants. It’s designed to tackle the two biggest challenges facing hiring teams today: screening a flood of candidates and keeping hiring managers engaged and accountable.

Click below to discover the backstory behind Spark Hire Recruit, how a combination of our ATS and built-in assessment solutions helps you cut through the noise, and hear from a customer who’s transformed their hiring process by incorporating Spark Hire.

Watch the full recording
Part 3:

Finding the Right ATS for Mid-Market Companies (500-2,500 Employees)

Mid-market companies are seemingly always in growth mode. Companies at this level often have more sophisticated hiring processes and teams and require an ATS that adequately reflects that. 

Top Hiring Challenges Mid-Market Companies Face

At this scale, hiring isn’t just about filling individual positions anymore. You’re coordinating across multiple locations, maybe even different regions or time zones. Your Boston office needs three software engineers, your Austin team is hiring for sales, and your Chicago operations center has five open roles. Keeping all of that organized and moving forward requires serious coordination.

Data becomes critical because you’re making strategic hiring decisions that impact the entire organization. 

  • Which locations are hiring most efficiently? 
  • Where are candidates dropping out of your process? 
  • What’s your actual cost-per-hire across different roles and departments? 

You need real answers, not guesses.

Specialized roles add another layer of complexity. You’re not just hiring generalists anymore — you need niche expertise that requires more sophisticated evaluation methods. Finding someone with the exact right technical skills, industry experience, and cultural fit takes a more refined approach than volume hiring.

Cross-functional alignment is also tougher now. Engineering, product, HR, and leadership all need visibility into hiring progress, but they don’t all need to be in every conversation. Your ATS needs to give the right people the right information at the right time without creating chaos.

Essential ATS Features for Mid-Market Companies

Your ATS should handle complexity while keeping things moving efficiently.

Advanced reporting and analytics are vital at this stage. You need customizable dashboards that show hiring metrics across departments, locations, and roles. Time-to-fill by position type, source effectiveness by region, interviewer activity, pipeline health — this data helps you spot problems early and optimize continuously.

Robust integrations with your tech ecosystem become crucial. Your ATS needs to talk seamlessly to your HRIS, payroll system, background check providers, assessment tools, and any other systems in your hiring stack. Data should flow automatically so your team isn’t stuck doing manual data entry.

Customization capabilities matter because different teams have different needs. Engineering might require technical assessments and multiple interview rounds, while customer success needs personality-driven evaluations and faster turnarounds. Your ATS should accommodate both without forcing everyone into the same workflow.

Strong permission controls and user management help you maintain organization as more people get involved in hiring. Hiring managers need access to their own pipelines. Recruiters need broader visibility. Executives need high-level insights. Your ATS should make it easy to give everyone appropriate access.

Change management support becomes important because rolling out new systems at this scale takes planning. Look for vendors that offer training resources, dedicated implementation support, and clear documentation to help your team adopt the system smoothly.

Spark Hire Implementation Timeline

Essential ATS Features for Mid-Market Companies

Your ATS should handle complexity while keeping things moving efficiently.

Advanced reporting and analytics are vital at this stage. You need customizable dashboards that show hiring metrics across departments, locations, and roles. Time-to-fill by position type, source effectiveness by region, interviewer activity, pipeline health — this data helps you spot problems early and optimize continuously.

Robust integrations with your tech ecosystem become crucial. Your ATS needs to talk seamlessly to your HRIS, payroll system, background check providers, assessment tools, and any other systems in your hiring stack. Data should flow automatically so your team isn’t stuck doing manual data entry.

Features Mid-Market Companies Should Deprioritize

You’re sophisticated, but you’re not running a global conglomerate yet.

Extremely complex approval workflows with 10+ stages and multiple sign-off requirements can slow you down more than they help. Keep your processes streamlined enough to maintain hiring velocity.

Global multi-currency payroll integrations and international compliance frameworks are only valuable if you’re actively hiring across borders. If you’re focused domestically or in a few key markets, skip these and save your budget for features you’ll actually use.

Enterprise-grade security certifications beyond the industry standards might be overkill. SOC 2 compliance and solid data protection are important, but you probably don’t need the same security infrastructure as a Fortune 500 company unless you’re in a highly regulated industry.

Unlimited custom integrations via extensive API access sounds great, but if you don’t have a development team ready to build custom connections, you won’t use it. Standard integrations with popular tools are usually sufficient.

Best ATS Options for Mid-Market Companies

Mid-market companies have unique hiring challenges and opportunities. Some ATS systems on the market really fit the bill. 

Lever

Lever combines ATS functionality with CRM capabilities, making it powerful for companies that need to manage both active hiring and long-term talent pipelines. The platform offers strong automation features, advanced analytics through Visual Insights dashboards, and integration with hundreds of HR tools. It’s built for data-driven hiring teams that want to scale thoughtfully, though new users should expect some learning curve.

BambooHR

BambooHR works well for mid-market companies that want their ATS as part of a broader HR suite. You get recruiting alongside onboarding, employee data management, and other HR functions in one platform. This integrated approach means less tool-switching and better data consistency across your people operations. It’s particularly strong for companies that value simplicity and cohesion over specialized recruiting features.

Spark Hire

We’ve got to throw our hat in the ring since our modular hiring software scales effectively into the mid-market by offering the sophistication you need without enterprise-level complexity or cost. 

Again, the platform provides customizable workflows across multiple departments, locations, and roles, advanced collaboration features for distributed hiring teams, and built-in video interviewing and assessments that eliminate the need for separate tools.

Additionally, with robust reporting capabilities and 50+ HR integrations, it gives you the flexibility you need while keeping your team aligned and efficient.

Discover the Spark Hire Difference

Eliminate Bottlenecks and Enhance Collaboration with Hiring Managers

Is your need for more collaborative hiring and centralized communication slowing down your hiring process? Spark Hire’s Applicant Tracking System is an affordable but comprehensive hiring solution, designed to drive accountability and seamless communication.

Learn More
Part 4:

Finding the Right ATS for Enterprise Organizations (2,500+ Employees)

At a large enterprise scale, your ATS serves a different purpose; it’s a critical infrastructure for your organization’s growth.

Top Hiring Challenges Enterprise Companies Face

Global hiring brings complexity that smaller companies never touch. You’re coordinating across countries, navigating different labor laws and compliance requirements, and managing time zones that span the entire globe. A role in Singapore has completely different regulatory considerations than the same position in Germany or Brazil.

Compliance complexity multiplies at this scale. GDPR, EEOC, CCPA, and dozens of other regulations all demand careful tracking and documentation. One misstep can mean serious legal consequences and reputational damage. Your ATS needs to help you stay compliant across every jurisdiction where you hire.

Stakeholder management becomes an art form. You’ve got executive leadership wanting high-level visibility, department heads tracking their own hiring, recruiters managing day-to-day operations, and legal teams ensuring everything meets standards. Getting the right information to the right people without overwhelming anyone requires sophisticated permission structures and reporting capabilities.

Legacy system integration is often the hidden challenge. You’ve got years of HR systems, payroll platforms, benefits administration, and other tools that all need to connect with your ATS. These systems might not be cutting-edge, but they’re critical to your operations and can’t be replaced overnight.

Essential ATS Features for Enterprise Organizations

Your ATS needs to handle massive scale without breaking.

Enterprise-grade security and compliance features are essential. Look for 

  • SOC 2 Type II certification
  • GDPR compliance tools
  • Robust encryption
  • Detailed audit trails
  • Role-based access controls that let you manage permissions across thousands of users. 

Your candidate data is sensitive, and protecting it properly is both a legal requirement and a trust issue.

Dedicated support and account management matter at this scale. When something goes wrong with a system that hundreds of recruiters depend on, you can’t wait 48 hours for an email response. Look for vendors that offer dedicated customer success managers, priority support channels, and SLAs that guarantee response times.

Extensive integration capabilities become essential because your tech ecosystem is complex. Your ATS needs pre-built connections to major HRIS platforms, payroll systems, background check providers, and assessment tools. It also needs robust API access for custom integrations with your proprietary systems.

Advanced customization options help you accommodate different business units, regions, and hiring models within one platform. Your engineering team in Austin shouldn’t be forced into the same workflow as your sales team in London. The system should flex to support vastly different approaches while maintaining organizational standards.

Comprehensive analytics and business intelligence tools give leadership the insights they need to make strategic decisions. Executive dashboards, predictive analytics, diversity tracking, and custom reporting capabilities help you understand hiring patterns, identify inefficiencies, and allocate resources effectively across the organization.

Features to Evaluate Carefully

At enterprise scale, it’s less about what you don’t need and more about what actually delivers ROI.

Cutting-edge AI features sound impressive, but evaluate whether they’ll genuinely improve your outcomes or just add complexity. Some AI tools provide real value in resume screening and candidate matching. Others are solutions looking for problems. Test thoroughly before committing.

Unlimited customization sounds appealing until you realize it requires a dedicated team to manage. Every custom workflow, integration, and report needs ongoing maintenance. Make sure you have the resources to support the level of customization you’re considering.

White-glove implementation and training packages can be valuable, but they also come with hefty price tags. Assess whether your team actually needs months of hand-holding or if they can work with standard implementation support and good documentation

Best ATS Options for Enterprise Organizations

Enterprise organizations have their pick of great applicant tracking software options. These are some of that we’ve seen work well. 

Greenhouse

Greenhouse is built for large enterprises that prioritize structured hiring and DEI initiatives. The platform offers extensive customization, integrates with 500+ tools, and provides robust analytics through business intelligence connectors. Its structured interview features and DEI tools help maintain consistency across global hiring operations. The system is powerful but comes with a learning curve and pricing that reflects its enterprise positioning.

BambooHR

BambooHR can scale to enterprise needs, especially for organizations that want an integrated HR suite rather than best-of-breed tools. You get recruiting alongside all your other people operations in one platform, which simplifies data management and reduces integration headaches. It works well for enterprises that value cohesion and usability over specialized recruiting features.

Spark Hire

We’re a little bit of an underdog here, but we can bring a lot to the enterprise market. 

While we’re optimized for SMBs and mid-market, Spark Hire’s Enterprise plan supports 501+ employees.

It can complement existing enterprise HR systems by handling the recruitment and assessment pieces with modern, user-friendly technology — particularly valuable for business units or regional offices that need more agility than traditional enterprise systems typically provide.

Discover Your Perfect ATS

We’ve walked through what startups, SMBs, mid-market companies, and large enterprise organizations need from an ATS. 

But here’s what’s universal across every company size: the best applicant tracking system is the one that actually solves your specific problems and supports your business goals.

The right ATS transforms your hiring in ways that matter, regardless of your size. 

  • It helps you build a consistent, repeatable process that gets better over time. 
  • It gives you the data you need to make smarter decisions about where to invest your recruiting efforts.
  • It improves how you evaluate and select candidates — because better organization leads to better evaluation, which leads to better hires.

And remember, your hiring process directly impacts your culture and employee experience. When you have a smooth, professional process that respects candidates’ time and gives them genuine insight into your company, you’re setting the foundation for employee engagement from day one. The people you hire through a thoughtful process are more likely to stick around and thrive.

So what is the best applicant tracking system? It’s the one that matches where you are right now, gives you room to grow, and helps you hire people who’ll actually move your business forward.

Ready to find your perfect fit? Book a demo to see how our ATS can transform your hiring process.

Learn More About our Applicant Tracking System, Recruit

Suggested Guides

Your Guide to Reduce Candidate Cheating, Fraud, and Hiring Bias with HR Technology

Read guide
The Complete Guide to the Candidate Experience Featured Image

The Modern Guide To Building A Better Candidate Experience

Read guide
AI in Hiring Guide

The Employer’s Go-To Guide to AI In Hiring

Read guide

Get Started with Spark Hire

Collaborative Hiring Starts Here

No matter where you are on your journey to building a better hiring process, Spark Hire's team of experts is here to help!