Hire the Best AppSheet Specialists
in the United States

Build business solutions and data workflows and API integrations in Google Sheets and AppSheets with automations through Google App Script. Data processing, cleaning and analysis. Custom Client Portals, Field Service Software using AppSheet or Bubble.io. from data to user interface. Create a custom solution for your business with API integrations. Simple and reliable data solutions with the company workflow as priority! API Integrations: Amazon, Shopify, Google Ads, Facebook Ads, Keepa API Software: Weweb, Bubble.io, Google Apps Script, Google Sheets, AppSheet, Notion, and Adobe Photoshop.

Hi, I’m Zachary 👋 Give me a workflow, report, tracker, or spreadsheet process that’s taking too much time, and I’ll turn it into a system that works smoothly and reliably for you. If you send me an invite or message, I’m happy to send back a personalized video explaining how I’d approach your project and where I can help most. A little more about me: I help businesses save time, reduce manual work, and improve visibility by building custom spreadsheet systems, dashboards, and automations. My focus is on creating practical tools in Google Sheets, Excel, Apps Script, AppSheet, Looker Studio, make,com, Zapier and n8n that make day-to-day operations easier to manage. Whether you need a smarter tracker, automated reporting, spreadsheet cleanup, document generation, dashboard setup, or a workflow that connects multiple tools together, I build solutions that are clear, reliable, and designed around how your business actually works. If your team is spending too much time updating spreadsheets manually, chasing down data, or piecing together reports, I can help turn that into a streamlined process with tools that are easier to use and easier to maintain. • Custom Google Sheets and Excel workflow solutions • Google Apps Script automation for reporting, emails, PDFs, imports, and data processing • Dashboards in Google Sheets and Looker Studio for better visibility • AppSheet apps for mobile-friendly data collection and operations tracking • Structured systems built for real business use, not just one-off fixes • Automated workflows with n8n, make,com and Zapier • Clear communication, organized delivery, and solutions tailored to your workflow If you’re looking for someone professional, detail-oriented, and focused on building tools that actually save time, I’d be glad to help. 🔧 EXPERTISE: Google Sheets | Excel | Google Apps Script | Spreadsheet Automation | Dashboard Development | Looker Studio | AppSheet | Reporting Systems | Workflow Automation | Data Cleanup | PDF Generation | Formulas | Data Imports | Process Optimization | n8n | make | Zapier

I'm a Director-level Operations leader with 10+ years of experience building the systems, dashboards, and workflows that make businesses run better. My background includes leading operations across multiple departments at a high-growth renewable energy company, where I drove $3.2M in revenue growth, saved $244K in operational costs, and improved SLA compliance by up to 50% — all through better processes, automation, and reporting infrastructure. I now bring that same operational thinking to consulting clients who need more than a spreadsheet — they need a system that actually scales. I specialize in: Google Sheets & Excel dashboards and KPI reporting systems Workflow automation using Apps Script CRM builds and Salesforce reporting Operational process design and SOP development Business intelligence dashboards in Looker Studio What sets me apart is that I don't just build tools — I build them the way an operator would. Every system I deliver is designed for real-world use, easy to maintain, and tied to outcomes that matter to leadership. If you need clean, scalable operational infrastructure built by someone who has actually run the operations, let's talk.

👋 Great to meet you. What are the chances that something in your Google Workspace mostly works — but it’s slow, fragile, confusing, or harder to trust than it should be? I specialize in Google Apps Script–powered automations across Google Sheets, Forms, Docs, Drive, Gmail, and Calendar — the kind that actually hold up over time. I’ve been doing this work full-time for over 5 years, across 119 completed Upwork contracts and 500+ projects outside of Upwork through my agency, Allen App Tools. What I’ve learned is this: Most people don’t just need automation — they need clarity, confidence, and ownership over systems their business now depends on. Many conversations start with some version of: “We rely on this sheet every day, but honestly we’re scared to touch anything.” — Sarah (Feb 2023) Or: “The last developer built it, but no one here understands how it works.” — Mike (Aug 2022) Or even: “It technically works… until it doesn’t.” — Jenna (Jan 2024) These aren’t edge cases. They’re patterns I’ve seen hundreds of times. That’s why my approach isn’t just about making something work — it’s about making sure it’s: ✅ understandable ✅ maintainable ✅ documented and safe to evolve as your business grows I help teams: ✅ Replace manual processes with reliable automation ✅ Clean up fragile or overgrown Google Sheets ✅ Build Apps Script systems that don’t break when requirements change ✅ Integrate Forms, Sheets, Gmail, Drive, APIs, and external tools ✅ Take ownership back from “black box” spreadsheets Very often, clients come to me after trying to DIY or after another developer stepped away: “We had something half-built and no idea how to move forward.” — Chris (May 2021) My job is to remove that uncertainty and replace it with something you can confidently run your business on. Communication & trust (this matters more than people admit) Good automation fails if it isn’t clearly explained. I put a heavy emphasis on: ✅ plain-language explanations ✅ walking through logic together ✅ making sure you understand what you’re paying for As one client put it: “You’re the first person who actually explained what’s going on in a way I can understand.” — Lauren (Nov 2022) I’d rather over-communicate early than leave you guessing later. This is not a side hustle for me — it’s my business. I’m here for long-term partnerships, not quick wins that leave you stuck later. “We’ve been burned by freelancers disappearing. That’s why this mattered to us.” — Tom (Jul 2020) When we work together, I care about where this system is headed, not just where it lands today. About me & my team When I’m not directly writing code, I’m building Allen App Tools, a Google Workspace automation company focused on giving people back time and sanity at work. You’ll always communicate with me directly — and when needed, I can bring in trusted developers from my team to help move faster without sacrificing quality. If you’re dealing with: 🤔 a Google Sheet that’s become mission-critical 🤔 an automation you don’t fully trust 🤔 or a process that’s eating hours every week I’d be happy to take a look and talk through options.

I help small businesses use AI, automation, and custom tools to solve operational problems and scale more efficiently. My best work is with SMBs in construction, technical services, and other hands-on industries where quoting, scheduling, job tracking, invoicing, communication, and reporting often become messy or manual. I do not just give advice. I help identify the bottlenecks, design the solution, and build the system. That might include: AI consulting for SMBs Workflow automation Custom internal apps Job and project tracking systems Quoting, invoicing, and payment workflows AI assistants for repetitive admin and communication Dashboards and reporting tools I have worked with 300+ clients, from small owner-operated businesses to organizations like Google, Symantec, The Trevor Project, PGA of America, and Getaround. My focus is always the same: build practical solutions that save time, reduce friction, and help the business run better. I work fast, communicate clearly, and prefer to start with simple, high-impact improvements before expanding into bigger systems. If your business is stuck in manual processes, disconnected tools, or admin overload, I can help you simplify it and build something that works.

𝗘𝘅𝗽𝗲𝗿𝘁 ⏱ 𝘁𝗶𝗺𝗲 𝘀𝗮𝘃𝗶𝗻𝗴𝘀 ⏱ 𝗳𝗼𝗰𝘂𝘀𝗲𝗱 𝗚𝗼𝗼𝗴𝗹𝗲 𝗦𝗵𝗲𝗲𝘁𝘀 𝗮𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻. 📈 𝟮𝟱𝟬+ 𝗵𝗮𝗽𝗽𝘆 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 𝘀𝗲𝗿𝘃𝗲𝗱 𝗮𝗿𝗼𝘂𝗻𝗱 𝘁𝗵𝗲 𝘄𝗼𝗿𝗹𝗱. 🌎 𝗢𝗯𝘀𝗲𝘀𝘀𝗲𝗱 𝘄𝗶𝘁𝗵 𝗴𝗲𝘁𝘁𝗶𝗻𝗴 𝗶𝘁 𝗱𝗼𝗻𝗲 𝗽𝗲𝗿𝗳𝗲𝗰𝘁𝗹𝘆 𝘁𝗵𝗲 𝗳𝗶𝗿𝘀𝘁 𝘁𝗶𝗺𝗲, 𝗼𝗻-𝘁𝗶𝗺𝗲, 𝗲𝘃𝗲𝗿𝘆-𝘁𝗶𝗺𝗲 𝘁𝗼 𝘀𝗮𝘃𝗲 𝘆𝗼𝘂 𝗮𝗻𝗱 𝘆𝗼𝘂𝗿 𝘁𝗲𝗮𝗺 𝗮 𝘁𝗼𝗻-𝗼𝗳-𝘁𝗶𝗺𝗲! 🎯 📞 Just invite me to your job on Upwork, and we can chat about exactly how we can automate your business processes together. 📞 ❝ 𝘿𝙚𝙣𝙣𝙞𝙨 𝙬𝙖𝙨 𝙖𝙣 𝙖𝙗𝙨𝙤𝙡𝙪𝙩𝙚 𝙥𝙡𝙚𝙖𝙨𝙪𝙧𝙚 𝙩𝙤 𝙬𝙤𝙧𝙠 𝙬𝙞𝙩𝙝! 𝙒𝙚 𝙝𝙖𝙙 𝙖 𝙘𝙤𝙢𝙥𝙡𝙞𝙘𝙖𝙩𝙚𝙙 𝙣𝙚𝙚𝙙 𝙩𝙤 𝙩𝙪𝙧𝙣 𝙖 𝙘𝙤𝙡𝙡𝙚𝙘𝙩𝙞𝙤𝙣 𝙤𝙛 𝙨𝙥𝙧𝙚𝙖𝙙𝙨𝙝𝙚𝙚𝙩𝙨 𝙞𝙣𝙩𝙤 𝙖𝙣 𝙖𝙪𝙩𝙤𝙢𝙖𝙩𝙚𝙙 𝙨𝙮𝙨𝙩𝙚𝙢. 𝘿𝙚𝙣𝙣𝙞𝙨 𝙚𝙭𝙚𝙘𝙪𝙩𝙚𝙙 𝙩𝙝𝙚 𝙥𝙧𝙤𝙟𝙚𝙘𝙩 𝙛𝙡𝙖𝙬𝙡𝙚𝙨𝙨𝙡𝙮! 𝙃𝙚 𝙬𝙖𝙨 𝙞𝙣𝙘𝙧𝙚𝙙𝙞𝙗𝙡𝙮 𝙧𝙚𝙨𝙥𝙤𝙣𝙨𝙞𝙫𝙚 𝙖𝙣𝙙 𝙪𝙣𝙙𝙚𝙧𝙨𝙩𝙤𝙤𝙙 𝙤𝙪𝙧 𝙣𝙚𝙚𝙙𝙨 𝙧𝙞𝙜𝙝𝙩 𝙖𝙬𝙖𝙮. 𝙄 𝙬𝙞𝙡𝙡 100% 𝙗𝙚 𝙬𝙤𝙧𝙠𝙞𝙣𝙜 𝙬𝙞𝙩𝙝 𝙝𝙞𝙢 𝙖𝙜𝙖𝙞𝙣! ❞ 🗣 Michelle Mundy - Executive Director, Production Operations - Left Field Labs 🗣 Highlights of what my clients love about working with me and my team: 🔸 Exceptional experience backed understanding of what’s possible, what’s challenging and how to create a tailored solution that fits your unique situation. 🔸 Top-notch communication skills. 2 hours or less response time. Two weekly updates at minimum that cover progress, budget concerns and other relevant info. Transparency is key! 🔸 I am solution-focused. We push hard to find a way to make things work; we don’t just write things off as impossible due to a lack of imagination or laziness. 🔸 50+ years of experience between myself and my carefully hand-picked and vetted team members (we work with the best who genuinely know what they’re doing!) 🔸 Peace of mind. Have a problem? I’ve got your back and will get it fixed reliably and quickly. I excel at freeing up time in your business so that you and your team can stay in your genius-zones, doing the things that cannot be automated (yet). Here are a few examples of some recent wins I’ve created for my clients; ⏱ Saved Evolved Finance’s team over 50+ hours of manual data entry every day ⏱ Saved our client Alec 40+ hours per month avoiding manually updating Google Calendar events based on his master spreadsheet ⏱ Saved our client John and his team 30+ hours of manual time needed to create folder structure in Google Drive. Highlights of the type of work I commonly support my clients with include: ☑️ Google Sheet Automations, Google Sheets Scripts / Macros & Google Apps Script ☑️ Google Workspace Automation (Drive, Sheets, Docs, Forms, Calendar, Gmail) ☑️ Reporting Automation & Dashboard Creation ☑️ Manual Data Entry Elimination ☑️ Automated Google Calendar Event Creation ☑️ Automated Emails Based On Google Form Submissions ☑️ Google Drive PDF Backups & Saving Automations ☑️ Social Media Platform Analytics/Reporting In Google Sheets (Facebook, Instagram, LinkedIn) ☑️ Automated Text Messaging Solutions Triggered in Google Workspace (With Twilio) ☑️ Zapier, Make.com & Segment.com Related Work Typical results of working together include: ✅ Increased Revenues & Major Ongoing Time Savings ✅ Less Mistakes, Greater Accuracy (Humans Make Mistakes, Automations Don’t) ✅ Less Headaches, More Peace Of Mind & Operations Running More Smoothly Thanks for taking the time to learn more about me! Let me help you win that time and more back. Let’s chat about your project together. Just invite me to your job on Upwork. Talk soon. Dennis Krinitsyn ❝ 𝘿𝙚𝙣𝙣𝙞𝙨 𝙙𝙞𝙙 𝙖 𝙥𝙝𝙚𝙣𝙤𝙢𝙚𝙣𝙖𝙡 𝙟𝙤𝙗 𝙬𝙞𝙩𝙝 𝙤𝙪𝙧 𝙥𝙧𝙤𝙟𝙚𝙘𝙩. 𝙃𝙚 𝙬𝙖𝙨 𝙧𝙚𝙨𝙥𝙤𝙣𝙨𝙞𝙫𝙚, 𝙪𝙣𝙙𝙚𝙧𝙨𝙩𝙖𝙣𝙙𝙞𝙣𝙜, 𝙩𝙞𝙢𝙚𝙡𝙮, 𝙞𝙣𝙘𝙤𝙧𝙥𝙤𝙧𝙖𝙩𝙚𝙙 𝙛𝙚𝙚𝙙𝙗𝙖𝙘𝙠, 𝙖𝙣𝙙 𝙤𝙫𝙚𝙧𝙖𝙡𝙡 𝙥𝙧𝙤𝙫𝙞𝙙𝙚𝙙 𝙖 𝙝𝙞𝙜𝙝-𝙦𝙪𝙖𝙡𝙞𝙩𝙮 𝙙𝙚𝙡𝙞𝙫𝙚𝙧𝙖𝙗𝙡𝙚 𝙗𝙚𝙛𝙤𝙧𝙚 𝙤𝙪𝙧 𝙖𝙜𝙧𝙚𝙚𝙙 𝙙𝙚𝙖𝙙𝙡𝙞𝙣𝙚. 𝙄 𝙝𝙞𝙜𝙝𝙡𝙮 𝙧𝙚𝙘𝙤𝙢𝙢𝙚𝙣𝙙 𝘿𝙚𝙣𝙣𝙞𝙨 𝙖𝙣𝙙 𝙩𝙝𝙚 𝙩𝙚𝙖𝙢 𝙩𝙤 𝙖𝙣𝙮𝙤𝙣𝙚 𝙞𝙣𝙩𝙚𝙧𝙚𝙨𝙩𝙚𝙙 - 𝙄 𝙘𝙤𝙪𝙡𝙙 𝙣𝙤𝙩 𝙗𝙚 𝙢𝙤𝙧𝙚 𝙞𝙢𝙥𝙧𝙚𝙨𝙨𝙚𝙙 𝙬𝙞𝙩𝙝 𝙩𝙝𝙚𝙞𝙧 𝙖𝙥𝙥𝙧𝙤𝙖𝙘𝙝 𝙖𝙣𝙙 𝙬𝙤𝙧𝙠. ❞ 🗣 Alec Harrises - Program Administrator - HubSpot 🗣