Deck staining companies are in the midst of a significant metamorphosis. As the world continues to embrace digital technologies and sustainable practices, so too does the realm of deck staining. This evolution, driven by a combination of consumer demand, technological advancement, and regulatory shifts, is reshaping this noble trade, with implications that extend far beyond the scope of aesthetics and surface preservation.

Within this context, the advent of advanced technologies such as Artificial Intelligence (AI) and 3D modeling is playing an instrumental role. AI, for instance, is rapidly transforming the way deck staining companies approach their work, from optimizing stain application processes to enhancing customer service. Machine learning algorithms can predict the best stain color and type for a particular deck based on data like wood species, exposure to elements, and customer preference. This not only improves efficiency but also helps in delivering a more personalized service to the customer.

At the same time, 3D modeling is revolutionizing the planning and visualization phase. For those unfamiliar, 3D modeling is a technique in computer graphics for producing a 3D digital representation of any object or surface. In the context of deck staining, companies can use this technology to provide clients with a virtual representation of how their deck will look post-staining, thereby aiding in decision-making and ensuring customer satisfaction. However, it's worth noting that these technologies, while transformative, call for a considerable investment in terms of resources and training, thus might not be immediately feasible for smaller enterprises.

As for the materials themselves, the trend is decidedly veering towards eco-friendly and sustainable options. There is an increasing demand for stains that are low Volatile Organic Compounds (VOC) and made from natural, renewable resources. VOCs, for those not acquainted, are organic chemicals that have a high vapor pressure at ordinary room temperature, often leading to harmful indoor air quality. Their reduction not only contributes to a healthier environment but also complies with the increasingly stringent regulations around VOC emissions.

Moreover, consumers today are more knowledgeable and discerning, thanks to the ubiquity of information. They demand transparency about the products being used, their impact on the environment, and durability. This necessitates deck staining companies to be upfront about their practices and drives innovation in eco-friendly staining solutions.

The rise of the gig economy is another factor influencing the future of deck staining companies. The proliferation of platforms that connect freelance professionals with homeowners needing deck staining services is increasing competition in the field. As a result, established companies need to constantly innovate and adapt to maintain a competitive edge.

In the realm of business models, we're also likely to see a shift. Traditional business models might give way to more flexible, customer-oriented approaches. For instance, companies might start offering comprehensive, subscription-based services that cover deck staining and subsequent maintenance, rather than one-off services. Such an approach would ensure a steady stream of revenue for the company and hassle-free service for the customers.

To sum it up, the future of deck staining companies lies in embracing technology, sustainability, transparency, and innovative business models. While these trends present numerous opportunities, they also come with their share of challenges. Companies must be ready to invest in new technologies and training, adapt to regulatory changes, and navigate the increasingly competitive landscape. But those that manage to do so successfully will undoubtedly stand at the vanguard of this evolving industry.