The project dashboard is a free tool that is only available to verified hoteliers to make adopting new technology easier by streamlining their research and simplifying their communication workflow.
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.
Side-by-side ratings based on 563 verified hotelier reviews on HTR.
| HTScore |
|
|
| Likelihood to Recommend |
|
|
| Ease of Use |
|
|
| Customer Support |
|
|
| Value for Money |
|
|
| Starting Price | Contact sales | From $400/mo |
| Verified Reviews | 0 | 563 |
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.
|
|
|
|---|---|
| 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
▾
|
|
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 |
|
|
|---|---|---|
| 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 |
|
|
|---|---|---|
| Boutique ▾ | — | #1 203 reviews |
| Luxury ▾ | — | #1 138 reviews |
| Branded / Chain ▾ | — | #1 393 reviews |
| Extended Stay ▾ | — | #1 66 reviews |
By Region
| Segment |
|
|
|---|---|---|
| North America ▾ | — | #1 522 reviews |
| Europe ▾ | — | #4 6 reviews |
| Asia Pacific | — | #2 3 reviews |
| Middle East | — | #2 1 reviews |
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?
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?
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.
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.
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.
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.
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.
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.
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.
Not ideal if your hotel requires advanced financial or operational management tools.
Not ideal if your hotel’s primary concern is sustainability reporting or ESG metrics only.
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.
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.
|
|
|
|
|---|---|---|
| Starting Price | — | From $400/mo |
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 |
|
|
|---|---|---|
| Accounts Payable | ||
| Cash Management | ||
| Daily Reporting | ||
| Financial Reporting | ||
| General Ledger | ||
| PMS Mapping |
Showing top differences. 11 more features differ between these products.
We analyzed 5 verified case studies to compare what hotels actually achieve with each platform across four key business objectives.
No published case study for this goal yet.
"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..."
No published case study for this goal yet.
"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..."
No published case study for this goal yet.
"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..."
What hoteliers love
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.
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.
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
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.
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
Where the ratings diverge most
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.
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.
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.
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 →
Product recommendations advisor