Green Project ESG Reporting vs. M3 (Accounting): Which Is Right for You?

Updated May 16, 2026  ·  563 verified reviews analyzed

TLDR

We analyzed 563 verified hotelier reviews, compared feature sets, pricing, and real-world case studies to break down where each platform delivers. The right choice depends on your property type and priorities:

Green Project Technologies shines .

M3 shines in ease of use and customer support — especially for brand properties (4.1/5) , with exclusive features like Daily Reporting and Financial Reporting.

See the full breakdown below ↓

How Does Green Project ESG Reporting Compare to M3 (Accounting)?

Side-by-side ratings based on 563 verified hotelier reviews on HTR.

HTScore
0
97
Likelihood to Recommend
0%
89%
Ease of Use
0.0/5
4.4/5
Customer Support
0.0/5
4.5/5
Value for Money
0.0/5
4.3/5
Starting Price Contact sales From $400/mo
Verified Reviews 0 563

What Are the Pros and Cons of Green Project ESG Reporting vs M3 (Accounting)?

After analyzing 563 verified reviews, Green Project Technologies users most value its , while M3 users highlight ease of use, payroll and labor management, integration with pms. Click any theme to see what reviewers say.

Green Project Technologies Green Project Technologies M3 M3
Pros
+ Ease of Use
+ Payroll and Labor Management
+ Integration with PMS
+ Financial Reporting and Checking
Cons
GL Account Search Function
Export and Import Capabilities
Glitches in Accounting System

Green Project Technologies vs M3: Rankings by Hotel Segment

How each product ranks among Hotel Accounting Software vendors for different property sizes, types, and regions — based on verified reviews from hoteliers in each segment.

By Hotel Size

Segment Green Project Technologies Green Project Technologies M3 M3
Small (10-24 rooms) #1 34 reviews
Mid-Size (25-74 rooms) #1 328 reviews
Large (75-199 rooms) #1 114 reviews
X-Large (200+ rooms) #2 51 reviews

By Property Type

Segment Green Project Technologies Green Project Technologies M3 M3
Boutique #1 203 reviews
Luxury #1 138 reviews
Branded / Chain #1 393 reviews
Extended Stay #1 66 reviews

By Region

Segment Green Project Technologies Green Project Technologies M3 M3
North America #1 522 reviews
Europe #4 6 reviews
Asia Pacific #2 3 reviews
Middle East #2 1 reviews

The Decision

Choosing between Green Project ESG Reporting and M3 hinges on your hotel’s core needs. Green Project aims to simplify sustainability tracking and carbon accounting, primarily targeting small and midsize businesses seeking ESG compliance. M3, on the other hand, is a comprehensive hotel accounting platform designed for larger properties and portfolios needing detailed financial management and operational insights. Which of these aligns best with your hotel’s strategic priorities?

Green Project focuses on environmental impact and carbon reporting, while M3 provides extensive financial tools. Do you prioritize environmental sustainability or financial operational efficiency?

Is Green Project ESG Reporting or M3 Better for Hotels?

Green Project Technologies offers a straightforward ESG platform that handles emissions tracking, sustainability targets, and carbon market communication, making sustainability reporting accessible without heavy staff burden. M3 delivers a full suite of accounting functions, including daily reporting, general ledger, accounts payable, and multi-currency reporting, supporting comprehensive financial management.

Green Project’s platform is ideal if your hotel wants to measure and reduce its carbon footprint effortlessly, especially for small to midsize teams. M3 excels if your hotel requires robust financial reporting, payroll, and integration with property management systems for large-scale operations.

Both products aim to improve accuracy and streamline reporting, but Green Project’s approach is specialized for environmental data. Can your hotel benefit more from sustainability insights or detailed financial control?

M3 vs Green Project ESG Reporting: Which Should Your Hotel Choose?

If your hotel needs detailed financial management with extensive automation, integration, and reporting, go with M3. Its 23 features, including budgeting, forecasting, and multi-currency accounting, make it suitable for hotels with complex operations or growing portfolios.

If your hotel’s primary goal is straightforward ESG compliance, measuring and reducing greenhouse gases without extensive financial features, Green Project is the fit. It offers a simple carbon inventory dashboard and integrates with over 60 accounting platforms, ideal for teams focused on sustainability.

For hotels with large, diverse operations requiring detailed financial oversight, M3 is the better choice. Conversely, if your focus is on environmental impact and sustainability reporting, Green Project serves that purpose.

Is Green Project or M3 Easier to Use?

Green Project’s interface is not rated, but its platform is designed for small to midsize businesses, suggesting simplicity in setup and use. M3’s UI scores 4.44/5, with a well-rated onboarding process (4.24/5) and praised for its user-friendly design, making routine financial tasks manageable even for less experienced staff.

M3’s extensive features are supported by a straightforward interface, which simplifies complex financial workflows. Based on review scores, M3’s ease of use outperforms Green Project’s, which lacks detailed ratings.

Edge: M3.

Which Has Better Features: Green Project or M3?

Green Project offers a single, focused ESG carbon accounting platform with automation and reporting tools. M3 provides 23 features, including daily reporting, general ledger, accounts payable, budgeting, forecasting, document imaging, multicurrency accounting, and scheduled reporting.

M3’s broader feature set enables comprehensive financial management, while Green Project’s core strength is environmental data collection and sustainability reporting. If your hotel needs detailed financial tools, M3’s extensive features give it a clear advantage.

Edge: M3.

Which Has Better Customer Support: Green Project or M3?

Green Project’s reviews do not specify support ratings, but with no recent reviews, its support reputation remains unclear. M3 boasts a support rating of 4.51/5, with recent reviews praising its responsiveness and helpfulness, including comments like “the platform’s customer service is prompt and efficient.”

M3’s support is consistently rated high, with reviews emphasizing quick resolution and attentive service, essential for hotel operations that rely on reliable support. Based on recent reviews, M3’s customer service is superior.

Edge: M3.

Which Has More Integrations: Green Project or M3?

Green Project reports no verified integrations, limiting its connectivity with other hotel systems. M3 boasts 39 verified partners, including hotel management systems (HOTELTIME, innRoad), financial tools (123compare.me, Birchstreet), and industry data sources (STR, yieldPlanet).

This extensive integration ecosystem makes M3 more adaptable for hotels needing seamless data flow across operational and financial systems. For hotel management, M3’s integrations offer significant operational efficiencies.

Edge: M3.

Which Do Hoteliers Rate Higher: Green Project or M3?

Since Green Project has no reviews or ratings, its reputation cannot be compared directly. M3’s 477 reviews give it an overall score of 4.19/5, with recent reviews emphasizing its ease of use, financial accuracy, and support.

M3’s hotel segments, including branded and boutique hotels, rate it highly for operational reliability. Given the volume and recency of reviews, M3 is clearly the more trusted platform among hoteliers.

Edge: M3.

How Much Do Green Project and M3 Cost?

Green Project does not publicly list pricing, suggesting it may be custom or based on project scope. M3 charges a base fee of $400 per month, with no additional implementation or per-room fees, providing a predictable pricing model.

For hotels seeking transparency and straightforward budgeting, M3’s fixed monthly fee simplifies decision-making. Green Project’s pricing remains unclear without a trial or quote.

What Type of Hotel Should Use Green Project?

  • Hotels that want to report and reduce greenhouse gases without heavy financial management needs.
  • Teams that prioritize sustainability and ESG compliance as part of their brand ethos.
  • Hotels with small to midsize teams seeking an easy-to-implement environmental platform.
  • Hotels aiming to market eco-friendly efforts to guests and stakeholders.

Not ideal if your hotel requires advanced financial or operational management tools.

What Type of Hotel Should Use M3?

  • Hotels with large portfolios needing detailed, integrated financial management.
  • Teams focused on optimizing profitability, forecasting, and budgeting.
  • Hotels that require seamless PMS integration and real-time financial data.
  • Properties looking for extensive automation, document imaging, and multicurrency support.

Not ideal if your hotel’s primary concern is sustainability reporting or ESG metrics only.

M3 vs Green Project: The Bottom Line for Hotels

M3 offers a comprehensive, feature-rich accounting solution with proven reliability, especially suited for hotels managing multiple properties or complex financial needs. Its extensive integration network and recent positive reviews make it a clear leader for larger operations.

Green Project, however, excels in sustainability tracking and emissions reporting for small to midsize hotels aiming for ESG compliance. Its simplicity and focus on environmental data make it ideal if sustainability is your primary goal.

If operational efficiency, detailed financial management, and integration matter most, choose M3. For hotels prioritizing environmental impact and sustainability reporting, Green Project provides a targeted, easy-to-use solution.

In conclusion, for most hotels actively seeking a proven, well-supported financial platform, M3 is the stronger choice due to its extensive features, recent reviews, and broad integration capacity. Green Project remains a niche option best suited for small or midsize properties emphasizing ESG and carbon footprint management.

How Much Do Green Project ESG Reporting and M3 (Accounting) Cost?

Hotel Accounting Software pricing is rarely straightforward. Here is what we know from each vendor's public pricing data. Always request a custom quote for your property size.

Green Project Technologies Green Project Technologies M3 M3
Starting Price From $400/mo

Which Features Does Green Project ESG Reporting Have That M3 (Accounting) Doesn't (and Vice Versa)?

According to HTR's product database, Green Project ESG Reporting and M3 (Accounting) share 0 features. Here are the key differences — features one has that the other lacks.

Feature Green Project Technologies Green Project Technologies M3 M3
Accounts Payable
Cash Management
Daily Reporting
Financial Reporting
General Ledger
PMS Mapping

Showing top differences. 11 more features differ between these products.

Real-World Results: Green Project Technologies vs M3 by Business Goal

We analyzed 5 verified case studies to compare what hotels actually achieve with each platform across four key business objectives.

Increase Revenue & Reduce Costs
Green Project Technologies Green Project Technologies

No published case study for this goal yet.

M3 North Star Lodging Management Inc Small
+ NSL was quickly able to build a business to efficiently and effectively carry out its mission while M3 Professional Services assisted with developing and executing its primary accounting functions.
+ M3PS assists NSL with financial statement mapping, chart of accounts maintenance, monthly tax filing and payments, weekly check runs and bank reconciliations, owner and lender requests, and more.
+ The ability to entrust financials to experts to stay in compliance, have taxes filed correctly and timely, avoid potential fines or legal issues, and ensure owners and more have accurate information

"With recent global events and the current labor environment, a general manager’s job description has greatly changed, and their time is valuable. With the help of M3, we have been..."

Jack Macioce
Jack Macioce
Chief Financial Officer
Increase Operational Efficiency
Green Project Technologies Green Project Technologies

No published case study for this goal yet.

M3 Crescent Hotels & Resorts Large
+ Improved Efficiency: M3
+ �s updates, such as simplified cash management imports and W-9 attachments, helped Crescent streamline accounting processes, saving time and increasing operational efficiency.
+ Enhanced Responsiveness: M3's quick implementation of Crescent's feedback led to timely software updates, allowing Crescent to improve their closing processes and overall operations.

"We were drawn to the system's tailored design for hospitality, prioritizing user-friendliness and seamless deployment in the field. It's crucial that our General Managers and Direc..."

Scott Blair
Scott Blair
Vice President of Centralized Accounting
Improve Guest Experience
Green Project Technologies Green Project Technologies

No published case study for this goal yet.

M3 GF Hotels & Resorts Large
+ Having used M3's Accounting Core for its accounting and financial reporting since 2007, GF has been able to manage its portfolio growth easily and seamlessly.
+ In 2019, GF opted to utilize M3's business intelligence platform and dashboard tool, Insight. The tool allows KPIs to be shared with owners and asset managers instantaneously and automatically.
+ The standardization of charts-of-accounts and financial reports have made growth almost effortless and straightforward.

"Insight's ability to integrate with third-party data, such as Smith Travel and brand Guest Satisfaction Scores (GSS), is important because owners want to see more than just the rev..."

Keith Schreiner
Keith Schreiner
Senior VP of Corporate Accounting

Green Project Technologies vs M3: The Bottom Line

Green Project Technologies
Green Project Technologies
0.0/5 from 0 reviews
0.0/5 ease of use 0.0/5 support 0 integrations
Visit Profile
M3
M3
4.5/5 from 563 reviews

What hoteliers love

Ease of Use 100% positive

Users frequently commend M3 for its user-friendly interface, highlighting how easy it is to operate even after a long period of inactivity with the to... Users frequently commend M3 for its user-friendly interface, highlighting how easy it is to operate even after a long period of inactivity with the tool. This ease of use significantly reduces training time for staff, which is crucial in a fast-paced hotel environment.

Payroll and Labor Management 100% positive

M3 stands out for its efficient payroll and labor management capabilities. Users appreciate the platform's ability to handle employee time tracking an... M3 stands out for its efficient payroll and labor management capabilities. Users appreciate the platform's ability to handle employee time tracking and payroll operations smoothly, which helps streamline workforce management in hotels.

Integration with PMS 100% positive

The ability to directly import revenue figures from the Property Management System into M3 is greatly valued by users. This integration reduces manual... The ability to directly import revenue figures from the Property Management System into M3 is greatly valued by users. This integration reduces manual data entry, ensuring accuracy and saving time.

Where hoteliers push back

GL Account Search Function 100% negative

A notable criticism is the lack of a search function within the GL accounts, which users feel would improve efficiency in financial operations. Being... A notable criticism is the lack of a search function within the GL accounts, which users feel would improve efficiency in financial operations. Being able to quickly search for specific accounts would save time in complex financial workflows.

Export and Import Capabilities 100% negative

Some users express a desire for better export and import capabilities, such as saving and importing Excel files, to enhance flexibility and integratio... Some users express a desire for better export and import capabilities, such as saving and importing Excel files, to enhance flexibility and integration with external systems.

Unique capabilities

Daily Reporting PMS Mapping General Ledger Accounts Payable Financial Reporting
4.4/5 ease of use 4.5/5 support 39 integrations
Visit Profile

Where the ratings diverge most

Overall Rating M3 4.2 vs 0.0 (+4.2)
Ease of Use M3 4.4 vs 0.0 (+4.4)
Customer Support M3 4.5 vs 0.0 (+4.5)
Value for Money M3 4.3 vs 0.0 (+4.3)
Onboarding M3 4.2 vs 0.0 (+4.2)

Frequently Asked Questions About Green Project ESG Reporting vs M3 (Accounting)

Can Green Project ESG Reporting replace M3 (Accounting)?

It depends on your requirements. Green Project ESG Reporting and M3 (Accounting) share many core Hotel Accounting Software features, but each has unique capabilities. Green Project ESG Reporting offers 0 verified integration partners, while M3 (Accounting) offers 39. Review the feature comparison above to see where they differ before switching.

Which is better for small or independent hotels?

Small hotels should prioritize ease of use and fast onboarding. M3 (Accounting) leads in ease of use at 4.4/5 vs 0.0/5. Look for transparent pricing and a trial or demo option. Filter reviews on each product page by property size to hear from hotels like yours.

Do Green Project ESG Reporting or M3 (Accounting) offer a free plan?

Green Project ESG Reporting: No. M3 (Accounting): No. Neither product currently offers a free tier. Most Hotel Accounting Software vendors offer demos or trials — request one from each to evaluate before committing.

How Does HTR Evaluate and Rank Green Project ESG Reporting and M3 (Accounting)?

The HT Score is a composite ranking that considers 4 criteria groups and over a dozen variables to help hoteliers objectively compare hotel technology products. Green Project Technologies has an HT Score of 0 and M3 has 97. Here is how the score is calculated.

Criteria Group Weight What It Measures
Customer Ratings & Reviews

How highly do users recommend this product?

Ratings Score, Review Volume, Share of Voice, Review Depth, Review Recency, Success Stories

The most heavily weighted factor. Analyzes average satisfaction ratings (likelihood to recommend, ease of use, support, ROI), total review count relative to category peers, review recency (at least 20 reviews in the trailing 6 months), and share of voice across unique hotel clients to detect selection bias.

Partner Ecosystem

How highly do tech partners recommend this company?

Partner Recommendations, Integration Quantity, Integration Quality

Evaluates partner recommendations as expert votes of confidence, the number of verified integrations, and ecosystem quality — the average HT Scores of integration partners. Products with higher-quality integration ecosystems are more likely to deliver a connected tech stack.

Customer Centricity

How customer-centric is this organization?

Certified Support, Review Consistency, Profile Completeness

Assesses whether the company has earned HTR Customer Support Certification, maintains consistent review collection over time (an indicator of feedback-driven culture), and keeps product profiles complete with capabilities, screenshots, pricing, and features.

Reach, Staying Power & Resources

How extensive is this company's reach and resourcing?

Geographic Reach, Staying Power, Company Resources, Trending Score

Measures global presence (countries and regions served), years in business as a stability proxy, team headcount as a resource proxy, and a trending score based on trailing-twelve-month buyer inquiries, reviews, partner recommendations, and press activity.

Customer ratings and reviews are by far the most important factor in the HT Score algorithm. HTR does not accept payment for higher rankings. All reviews are verified — only hotel industry practitioners with confirmed affiliations can submit ratings. View full HT Score methodology →

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