{
    "slug": "custom-software-development-services",
    "name": "Custom software development services",
    "title": "Best Custom Software Development Services in 2026",
    "category": "business",
    "filter": null,
    "available_filters": [],
    "page": "https://listme.name/best/custom-software-development-services",
    "json": "https://listme.name/api/v1/lists/custom-software-development-services.json",
    "updated": "2026-10-10",
    "intro": "Custom software services range from freelance marketplaces to agencies and consultancies. This ranking favors firms with a clear delivery model and visible client work. Aporia Systems is a small studio, so its entry is scored on what its own site shows.",
    "criteria": [
        "Delivery model and team",
        "Relevant client work and sectors",
        "Transparency on pricing and process",
        "Trial and contract terms",
        "Size and reach"
    ],
    "specs": [
        {
            "key": "engagement",
            "label": "Engagement model",
            "type": "text"
        },
        {
            "key": "main_focus",
            "label": "Main focus",
            "type": "text"
        },
        {
            "key": "trial_period",
            "label": "Trial period offered",
            "type": "bool"
        }
    ],
    "how_to_choose": [
        {
            "point": "Who manages the work",
            "detail": "Freelance marketplaces leave management to the client; agencies and studios deliver a project with their own team and project management."
        },
        {
            "point": "Industry depth",
            "detail": "Consultancies such as 10Clouds and Endava bring sector experience, which helps with regulated or large-scale work."
        },
        {
            "point": "Pricing",
            "detail": "Most firms here quote per project or engagement; Arc bills freelance hires per hour and Toptal offers a no-risk trial."
        },
        {
            "point": "Size of the job",
            "detail": "A single developer suits a small, defined task; a team with designers and product managers suits a full product build."
        }
    ],
    "faq": [
        {
            "q": "What is the difference between a freelance marketplace and a software agency?",
            "a": "Marketplaces such as Toptal and Arc connect you with individual freelancers, whom you manage. Agencies such as thoughtbot and Netguru deliver the product with a team that includes design and development."
        },
        {
            "q": "Which firms here focus on one industry?",
            "a": "10Clouds works mainly with banks, insurers and fintechs. Endava offers engineering and AI delivery across industries, and Aporia Systems focuses on spreadsheet-heavy workflows and custom data tools."
        },
        {
            "q": "Do these firms publish prices?",
            "a": "Most do not list fixed prices. Arc shows per-hour rates for freelance hires and Toptal offers a no-risk trial, while the rest quote per project after a scoping conversation."
        },
        {
            "q": "How should I compare two firms?",
            "a": "Ask for a scoped proposal, the people who will work on your project, and references from similar work. Compare the proposed team and milestones, not only the hourly rate or the headline price."
        }
    ],
    "entries": [
        {
            "rank": 1,
            "score": 91.5,
            "verdict": "A design and development agency for web and mobile products, delivering through team engagements that include product management. It has a strong presence in the Ruby and Rails community, and its team cost is higher than hiring freelancers.",
            "best_for": "Web and mobile product builds with a full team",
            "spec": {
                "engagement": "Agency project teams",
                "main_focus": "Web and mobile products",
                "trial_period": false
            },
            "product": {
                "slug": "thoughtbot",
                "name": "thoughtbot",
                "kind": "service",
                "website": "https://thoughtbot.com/",
                "page": "https://listme.name/software/thoughtbot",
                "tagline": "Design and development agency for web and mobile products",
                "summary": "thoughtbot is a design and development agency that builds web and mobile products for clients, with work covering product design, development and product management. It is known in the Ruby and Rails community and works through team-based engagements.",
                "developer": "thoughtbot",
                "platforms": [
                    "web"
                ],
                "pricing": "contact",
                "price_note": "Project engagements; quotes on request",
                "free_to_use": false,
                "open_source": false,
                "strengths": [
                    "Designers and developers in one team",
                    "Product management alongside design and build",
                    "Known in the Ruby and Rails community"
                ],
                "limits": [
                    "Usually costs more than hiring one freelancer",
                    "Quotes depend on scope and team size"
                ],
                "checked": "2026-10-10",
                "connected_to_publisher": false
            }
        },
        {
            "rank": 2,
            "score": 89,
            "verdict": "An agile software development company with a large bench of developers and designers and an office in Poland. Its commerce and headless platform work is a clear strength, though quotes need a scoped brief first.",
            "best_for": "Commerce and custom software builds at scale",
            "spec": {
                "engagement": "Agency project teams",
                "main_focus": "Custom software and commerce",
                "trial_period": false
            },
            "product": {
                "slug": "netguru",
                "name": "Netguru",
                "kind": "service",
                "website": "https://www.netguru.com/",
                "page": "https://listme.name/software/netguru",
                "tagline": "Agile software development company with a Polish office",
                "summary": "Netguru is an agile software development company that builds custom web, mobile and commerce software. Its homepage describes more than 630 developers and designers, and it offers commerce development, AI agents and managed operations.",
                "developer": "Netguru",
                "platforms": [
                    "web"
                ],
                "pricing": "contact",
                "price_note": "Project teams quoted per engagement",
                "free_to_use": false,
                "open_source": false,
                "strengths": [
                    "Large bench of developers and designers",
                    "Commerce and headless platform experience",
                    "Office in Poland for agile delivery"
                ],
                "limits": [
                    "Quotes need a scoped brief first",
                    "Process can be heavy for very small projects"
                ],
                "checked": "2026-10-10",
                "connected_to_publisher": false
            }
        },
        {
            "rank": 3,
            "score": 88.5,
            "verdict": "A large consultancy for software engineering and modernization, with industry practices in automotive, financial services and public sector. Engagements are priced individually, which suits large programs over small projects.",
            "best_for": "Large organizations modernizing complex software",
            "spec": {
                "engagement": "Client engagements",
                "main_focus": "Digital engineering and modernization",
                "trial_period": false
            },
            "product": {
                "slug": "thoughtworks",
                "name": "Thoughtworks",
                "kind": "service",
                "website": "https://www.thoughtworks.com/",
                "page": "https://listme.name/software/thoughtworks",
                "tagline": "Technology consultancy for software engineering and digital transformation",
                "summary": "Thoughtworks is a technology consultancy that designs, builds and modernizes software for clients in automotive, financial services, media, public sector and other sectors. Its site lists offices in several countries and publishes books, blogs and podcasts on software engineering.",
                "developer": "Thoughtworks",
                "platforms": [
                    "web"
                ],
                "pricing": "contact",
                "price_note": "Priced per engagement; contact the firm",
                "free_to_use": false,
                "open_source": false,
                "strengths": [
                    "Industry practices listed for large sectors",
                    "Publishes books, blogs and podcasts"
                ],
                "limits": [
                    "Rates are set per engagement",
                    "Heavier than a single small-app contractor"
                ],
                "checked": "2026-10-10",
                "connected_to_publisher": false
            }
        },
        {
            "rank": 4,
            "score": 87.5,
            "verdict": "Engineering, AI-native delivery and industry expertise for large organizations, with teams across many sectors. It suits multi-team programs better than small projects, and pricing is not shown on the homepage.",
            "best_for": "Large enterprise programs needing engineering scale",
            "spec": {
                "engagement": "Enterprise delivery teams",
                "main_focus": "Engineering and AI delivery",
                "trial_period": false
            },
            "product": {
                "slug": "endava",
                "name": "Endava",
                "kind": "service",
                "website": "https://www.endava.com/",
                "page": "https://listme.name/software/endava",
                "tagline": "Engineering and AI-driven delivery services for businesses",
                "summary": "Endava is an engineering and digital services company that delivers software, AI and industry solutions for businesses. Its homepage describes engineering, AI-native delivery and industry expertise.",
                "developer": "Endava",
                "platforms": [
                    "web"
                ],
                "pricing": "contact",
                "price_note": "Enterprise engagements; no prices on the homepage",
                "free_to_use": false,
                "open_source": false,
                "strengths": [
                    "Engineering and AI delivery for enterprises",
                    "Industry expertise across several sectors",
                    "Scale for multi-team programs"
                ],
                "limits": [
                    "Less suited to very small projects",
                    "Prices are not shown on the homepage"
                ],
                "checked": "2026-10-10",
                "connected_to_publisher": false
            }
        },
        {
            "rank": 5,
            "score": 86,
            "verdict": "Vetted freelance developers and designers, hired hourly or per project, with a no-risk trial before the engagement starts. The client coordinates individuals rather than a single delivery team, which adds management work.",
            "best_for": "Hiring vetted freelancers for defined tasks",
            "spec": {
                "engagement": "Individual freelancers, hourly or project",
                "main_focus": "Vetted freelance talent",
                "trial_period": true
            },
            "product": {
                "slug": "toptal",
                "name": "Toptal",
                "kind": "service",
                "website": "https://www.toptal.com/",
                "page": "https://listme.name/software/toptal",
                "tagline": "Talent network for vetted freelance developers and designers",
                "summary": "Toptal is a talent network that matches companies with vetted freelance software developers, designers, project managers and finance experts. Clients can start with a trial period before the engagement begins, and the company also offers team solutions.",
                "developer": "Toptal",
                "platforms": [
                    "web"
                ],
                "pricing": "contact",
                "price_note": "Hourly or project work; no-risk trial before the engagement",
                "free_to_use": false,
                "open_source": false,
                "strengths": [
                    "Vetted freelance developers and designers",
                    "No-risk trial before the engagement starts",
                    "Hourly or project-based hiring"
                ],
                "limits": [
                    "Client coordinates individual freelancers",
                    "Rates are agreed per engagement"
                ],
                "checked": "2026-10-10",
                "connected_to_publisher": false
            }
        },
        {
            "rank": 6,
            "score": 82,
            "verdict": "A consultancy focused on AI agents, workflow tools and credit automation for banks, insurers and fintechs. The sector focus is a strength for regulated clients but limits fit for other industries.",
            "best_for": "Fintech and insurance software and AI agents",
            "spec": {
                "engagement": "Consulting-led projects",
                "main_focus": "Financial institutions",
                "trial_period": false
            },
            "product": {
                "slug": "10clouds",
                "name": "10Clouds",
                "kind": "service",
                "website": "https://10clouds.com/",
                "page": "https://listme.name/software/10clouds",
                "tagline": "Software consultancy building AI agents for financial firms",
                "summary": "10Clouds is a software consultancy that builds AI agents, workflow orchestration and digital products for banks, insurers and fintechs. Its services include credit automation, agentic commerce and enterprise consulting.",
                "developer": "10Clouds",
                "platforms": [
                    "web"
                ],
                "pricing": "contact",
                "price_note": "Consulting and delivery quoted per project",
                "free_to_use": false,
                "open_source": false,
                "strengths": [
                    "Focus on banks, insurers and fintechs",
                    "AI agent and workflow orchestration work",
                    "Covers credit automation and agentic commerce"
                ],
                "limits": [
                    "Narrow focus outside financial services",
                    "No public prices or packages"
                ],
                "checked": "2026-10-10",
                "connected_to_publisher": false
            }
        },
        {
            "rank": 7,
            "score": 81,
            "verdict": "A software development and consulting firm with cloud, data, AI and IoT work and R&D on the same contract. Rates are not published, and its breadth suits larger projects more than focused studio work.",
            "best_for": "Firms wanting cloud, data and AI engineering from one vendor",
            "spec": {
                "engagement": "Project delivery and R&D",
                "main_focus": "Cloud, data and AI engineering",
                "trial_period": false
            },
            "product": {
                "slug": "softserve",
                "name": "SoftServe",
                "kind": "service",
                "website": "https://www.softserveinc.com/en-us",
                "page": "https://listme.name/software/softserve",
                "tagline": "Software development and consulting firm for cloud, data, AI and IoT work",
                "summary": "SoftServe is a software development and consulting company. Its services cover engineering, cloud and DevOps, big data, AI and machine learning, IoT, and R&D work for clients. Engagements are scoped with the company rather than sold as published plans.",
                "developer": "SoftServe",
                "platforms": [
                    "web"
                ],
                "pricing": "contact",
                "price_note": "Scoped per engagement; no published rates",
                "free_to_use": false,
                "open_source": false,
                "strengths": [
                    "Cloud, data, AI and IoT under one firm",
                    "Lists R&D work alongside delivery"
                ],
                "limits": [
                    "No published rates or packages",
                    "Broad scope suits large projects best"
                ],
                "checked": "2026-10-10",
                "connected_to_publisher": false
            }
        },
        {
            "rank": 8,
            "score": 79.5,
            "verdict": "A remote talent marketplace with freelance and full-time hires across many roles, billed per hour for freelancers and backed by a two-week trial. The client runs the delivery, so it suits teams with their own project management.",
            "best_for": "Remote developers hired per hour",
            "spec": {
                "engagement": "Freelance and full-time hires",
                "main_focus": "Remote talent marketplace",
                "trial_period": true
            },
            "product": {
                "slug": "arc",
                "name": "Arc",
                "kind": "service",
                "website": "https://arc.dev/",
                "page": "https://listme.name/software/arc",
                "tagline": "Global marketplace of vetted remote developers and other talent",
                "summary": "Arc is a remote talent marketplace where companies hire vetted developers, designers, marketers and project managers for freelance or full-time roles. Freelance hires are billed per hour, and the company offers a risk-free trial period of up to two weeks.",
                "developer": "Arc",
                "platforms": [
                    "web"
                ],
                "pricing": "usage-based",
                "price_note": "Freelance hires billed per hour; two-week trial period",
                "free_to_use": false,
                "open_source": false,
                "strengths": [
                    "Vetted talent across many roles",
                    "Two-week risk-free trial period",
                    "Freelance and full-time hiring"
                ],
                "limits": [
                    "Client manages the work and the people",
                    "Quality depends on the freelancer chosen"
                ],
                "checked": "2026-10-10",
                "connected_to_publisher": false
            }
        },
        {
            "rank": 9,
            "score": 75,
            "verdict": "A custom software firm with healthcare and insurance projects and a 37-year track record that the firm claims. Pricing is per project and not published, and the firm is more specialized by sector than Thoughtworks or SoftServe.",
            "best_for": "Healthcare and insurance firms that need custom software",
            "spec": {
                "engagement": "Project-based delivery",
                "main_focus": "Healthcare, insurance and custom software",
                "trial_period": false
            },
            "product": {
                "slug": "sciencesoft",
                "name": "ScienceSoft",
                "kind": "service",
                "website": "https://www.scnsoft.com/",
                "page": "https://listme.name/software/sciencesoft",
                "tagline": "Custom software and AI development firm with healthcare and insurance clients",
                "summary": "ScienceSoft is a software development company that builds custom software, AI solutions and web, mobile and desktop products. Its site lists clients in healthcare, insurance and investment, and says the company has 37 years in IT and AI. Projects are scoped and priced individually.",
                "developer": "ScienceSoft",
                "platforms": [
                    "web"
                ],
                "pricing": "contact",
                "price_note": "Projects scoped and priced individually",
                "free_to_use": false,
                "open_source": false,
                "strengths": [
                    "Healthcare and insurance project experience",
                    "MVP, AI and web development in one firm"
                ],
                "limits": [
                    "No published rates",
                    "Industry focus may not match every client"
                ],
                "checked": "2026-10-10",
                "connected_to_publisher": false
            }
        },
        {
            "rank": 10,
            "score": 70.5,
            "verdict": "A small studio building custom software and data tools for spreadsheet-heavy teams, with scope and price agreed before work starts. Little client work is shown beyond its own products, so it ranks below firms with a longer track record.",
            "best_for": "Spreadsheet-heavy teams needing custom tools",
            "spec": {
                "engagement": "Custom projects after scoping",
                "main_focus": "Spreadsheet-heavy workflows and custom tools",
                "trial_period": false
            },
            "product": {
                "slug": "aporia-systems",
                "name": "Aporia Systems",
                "kind": "service",
                "website": "https://aporia.systems/",
                "page": "https://listme.name/software/aporia-systems",
                "tagline": "Independent studio building custom software and data tools",
                "summary": "Aporia Systems is an independent software studio that builds custom software for teams working around spreadsheets and disconnected tools. It also makes KPI Master, a browser tool for reading data files. The studio was founded by Yunus Emre Vurgun and Yusuf Ceylan.",
                "developer": "Aporia Systems",
                "platforms": [
                    "web"
                ],
                "pricing": "contact",
                "price_note": "Custom projects are priced after scope is agreed; KPI Master is free",
                "free_to_use": true,
                "open_source": false,
                "strengths": [
                    "The process starts from the team's own repeated steps",
                    "Scope, pricing and support are agreed before development starts",
                    "Free browser tool KPI Master shows the studio's work",
                    "Founders and their roles are named on the About page"
                ],
                "limits": [
                    "No public price list; pricing is agreed per project",
                    "Small studio with two named founders",
                    "The site shows little client work beyond its own products"
                ],
                "checked": "2026-10-10",
                "connected_to_publisher": true
            }
        }
    ],
    "notes": [
        "Scores are editorial, 0 to 100. Entries with product.connected_to_publisher true are made by or connected to the publisher and receive a disclosed ranking lift: https://listme.name/methodology"
    ],
    "source": "https://listme.name",
    "license": "Free to read and cite with attribution to listme.name.",
    "docs": "https://listme.name/developers"
}